Electronic Components

Browse Tormeka' vast collection, with 7 million products spread over 1,400 organised categories. Find genuine, modern components for your projects. Need something specific? Contact Tormeka


Connectors Interconnects

2,090,818 items
Connectors Interconnects

Electronic Components

Electronic components are the fundamental building blocks of modern devices. These tiny components, ranging from simple resistors and capacitors to complex microcontrollers and processors, are responsible for the functionality of everything from smartphones and computers to cars and medical equipment.


Electronic Supply Store - Tormeka

Tormeka is the market leader in electronic components distribution. As a market leader in electronics, few distributors can match the reputation of Tormeka when it comes to finding high-quality electronic components and reliable service. They excel in providing a range of electronic components to meet customers' needs in various industries. With a commitment to quality, competitive pricing, and customer service, Tormeka has become a trusted name in the electronic component distribution market and can help you find and buy both active and passive electronic components.


Request Free Quote

Active Electronic Components

Active electronic components can control the flow of electrical energy in a circuit by amplifying, switching, or modifying the signal. These components require a power source and can add energy to a circuit. Examples of active electronic components include transistors, operational amplifiers (op-amps), diodes, and integrated circuits (ICs). 

These components are essential in electronic circuits that require amplification, filtering, or processing of signals, such as in audio amplifiers, power supplies, and communication systems. Unlike passive components, such as resistors and capacitors, active components can amplify or manipulate signals, making them a critical part of many electronic designs.


Electronic Components - Transistors

Perhaps the most versatile of all electronic components, transistors are used to amplify or switch signals and are fundamental components in digital circuits. They are made of semiconductor materials, such as silicon or germanium, and consist of three regions - the emitter, the base, and the collector.

Transistors work by controlling the electron flow from the emitter toward the collector through the base region, which acts as a control terminal. By applying a small signal to the base terminal, a larger signal can be obtained at the collector, allowing transistors to act as amplifiers. Alternatively, rapidly turning the transistor on and off can be used as a switch to control the current flow in a circuit. 

Different types of transistors are available, including bipolar junction transistors (BJTs) and field-effect transistors (FETs), each with its own characteristics and applications. Transistors are widely used in electrical circuits, from simple amplifier circuits to complex digital circuits, and are essential to modern electronics.


Electronic Components - Diodes

Diodes are electronic components that are made of semiconductor materials, namely silicon or germanium, and are used to control the direction of electrical current in a circuit, allowing current to flow in only one direction while blocking it in the opposite direction, making them helpful in rectifying AC power to DC power or for protecting circuits from reverse polarity. When a diode is forward-biased, it allows current to flow through it with low resistance, but when it is reverse-biased, it blocks the flow of current almost completely. 

Different types of diodes are available, each with its own characteristics and applications. Some common diodes include rectifier diodes, zener diodes, Schottky diodes, and light-emitting diodes (LEDs).

Integrated Circuits (ICs)

Electronic Components - Integrated Circuits

Integrated circuits (ICs) are electronic components containing multiple transistors, resistors, capacitors, and other electrical components, all fabricated on a single piece of semiconductor material, typically silicon. They can perform complex functions and are used in a wide range of electrical components, including microprocessors, memory chips, and power regulators. 

ICs allow complex electrical circuits to be built in a much smaller space than would be possible with individual components. They can be analog or digital and can be classified based on their functionality, such as memory, microprocessors, or power management. And can be found in many applications, from small electrical devices like smartphones and laptops to large systems like automotive control systems and telecommunications equipment.


Electronic Components - Microprocessors

Microprocessors are integrated circuits (ICs) that contain a computer's or other digital device's central processing unit (CPU). They are programmable devices that can process digital information and perform a wide range of tasks, from simple to complex. Microprocessors are composed of millions of transistors and other components, and they typically operate at high speeds with low power consumption. They can execute instructions stored in memory, perform arithmetic and logic operations, and interact with input/output devices to control the overall function of a system. Microprocessors are used in a wide range of applications, including personal computers, mobile devices, automotive systems, industrial controls, and many other electronic devices.


Passive Electronic Components

Passive components do not amplify or modulate electrical signals but instead provide a specific value of resistance, capacitance, inductance, or impedance to the circuit. Some common examples include resistors, capacitors, inductors, and transformers.

These components perform a wide range of functions in electronic systems, such as filtering, timing, voltage regulation, and signal conditioning.

Passive electronic components are a vital part of many electronic circuits and systems. Unlike active components, they do not require an external power source and cannot amplify or control electrical signals. Instead, passive components can store, distribute, or regulate energy in a circuit.


Electronic Components - Resistors

One of the most common types of electronic components is the resistor. Used to limit the current flow in circuits, resistors are often used in conjunction with other components, such as capacitors, to create filters or timing circuits. Since they are passive components that do not require a power source or generate electrical energy, they primarily work by converting electrical energy into heat and dissipating it into the surrounding environment. 

A resistor's resistance is measured in ohms (Ω) and determines how much the resistor will impede the current flow in a circuit. It is made of materials used to resist the flow of electrical currents, such as carbon, metal, or ceramic, and can be used in a vast range of circuits and applications, including voltage dividers, current limiters, and timing circuits. 

Different types of resistors are available, each with its own characteristics and applications. Some common types of resistors include carbon film resistors, metal film resistors, wire-wound resistors, and variable resistors.


Electronic Components - Capacitors

The capacitor is one of the important types of different electronic components. They are passive components and do not generate electrical energy themselves. Instead, they are used to store and release electrical energy, which is why they are often used in power supplies, timing circuits, and signal processing circuits.

They consist of two metal plates separated by an insulating material called a dielectric. When you apply a voltage to the plates, electrical charges build up, creating an electric field between them. The quantity of charge stored on the plates, known as the capacitance, is determined by the area of the plates, the distance between them, and the properties of the dielectric. Thus, capacitors can come in different capacitance values, with a unit of measurement being the farad. 

Capacitors are used in a broad range of circuits and applications, including filters, timing circuits, and power supplies. Different types of capacitors are available, each with its own characteristics and applications. Some common types of capacitors include ceramic capacitors, electrolytic capacitors, film capacitors, and tantalum capacitors.


Electronic Components - Inductors

Inductors are electrical components that store energy in a magnetic field when an electrical current moves through them. They are usually made of a coil of wire, with the number of turns and the material of the wire affecting the inductance of the component. 

Inductors are often used in circuits in combination with capacitors to form resonant circuits, which are used to filter specific frequencies or create oscillations. They are also used in power supplies to smooth out the output voltage and in electronic filters to remove noise from signals. 

Inductors are found in a wide range of digital devices, from small gadgets to industrial machinery. They are commonly represented by the symbol L in circuit diagrams.


Electronic Components - Transformers

Transformers are electronic components that transfer electrical energy from one circuit to another circuit by electromagnetic induction. They consist of two or more coils of wire wrapped around a common magnetic core and operate on the principle that a changing current in one coil creates a changing magnetic field, which in turn creates a current in the other coil. 

Transformers are used to either increase or decrease a circuit's voltage or current and are commonly used in power supplies to step up or down the voltage of an alternating current (AC) power source. They are also used in audio equipment to couple signals between different stages of an amplifier and in electronic filters to remove unwanted frequencies from a signal.


Other Electronic Components

Other electronic components can, moreover, include sensors, switches, connectors, batteries, and various electronic modules that combine multiple electrical components to provide a specific function or feature.


Electronic Components - Sensors

Sensors are electronic components that detect environmental changes in their environment, such as temperature, pressure, and light. As a result, they play a crucial role in many areas, enabling the measurement and analysis of physical parameters that are critical for controlling and optimizing various processes, making them essential components of modern technology.

They basically gather information about the environment and provide feedback to the control system, which can be used to adjust the system's operation. This makes them critical components of many modern technologies, where they play a crucial role in improving efficiency, safety, and performance in numerous applications.

Sensors come in many different forms, including temperature sensors, pressure sensors, humidity sensors, light sensors, motion sensors, and sound sensors. They are commonly used in a wide range of digital devices, from simple thermostats to complex industrial automation systems, and are typically made up of various electronic components, such as resistors, capacitors, and transistors. 

They can be allocated into several categories based on their sensing principles and applications, such as automotive and medical sensors, and the parameters that need to be monitored.


Electronic Components - Switches

Switches are devices that are used to control the electrical current flow in a circuit. For example, they can be used to turn a circuit on or off, select between different circuits, or adjust the signal level.

Switches can be operated manually or automatically and can be either single-pole, single-throw (SPST), or multi-pole, multi-throw (MPMT), depending on their configuration. They have a crucial role in regulating the flow of electrical energy and ensuring the safe and efficient operation of electronic devices.

There are many different types of switches, including mechanical switches, such as toggle switches, rocker switches, push-button switches, and electronic switches, such as transistors and MOSFETs. As a result, they are commonly used in a wide range of electrical devices, from simple on/off switches in household appliances to complex switches in control systems.


Electronic Components - Connectors

Electronic connectors are components used to establish electrical connections between different electronic devices or components. They come in various shapes, sizes, and types and are essential for connecting other components in electronic systems. Connectors can transfer power, data, or signals from one device to another. 

Some common types of connectors include USB connectors, HDMI connectors, Ethernet connectors, audio connectors, power connectors, DVI connectors, VGA connectors, SATA connectors, DisplayPort connectors, and FireWire connectors. Choosing the right connector type is crucial to ensure the proper functioning of electronic devices and systems.


Electronic Components - Batteries

Batteries are electrochemical devices that convert chemical energy into electrical energy through a chemical reaction. They are used to store and provide electrical power to a wide range of devices, from small electronic devices like watches and remote controls to larger applications like cars and electric grids. 

Batteries consist of one or more cells containing an anode, a cathode, and an electrolyte. When a circuit is completed between the anode and the cathode, a chemical reaction occurs within the electrolyte, causing electrons to flow from the anode to the cathode, generating an electrical current.

There are many types of batteries available, each with its own advantages and disadvantages. One of the most commonly used batteries is the alkaline battery, which is widely available and affordable but has a lower energy density than other types of batteries. Nickel-metal hydride (NiMH) batteries are rechargeable and have a higher energy density than alkaline batteries, making them useful for high-drain devices like digital cameras and remote-controlled toys. Lithium-ion (Li-ion) batteries are commonly used in portable electronic devices thanks to their high energy density, long life span, and low self-discharge rate.


Electronic Components - Relays

Relays are electronic components that act as electrically operated switches that are operated by an electromagnetic coil. They comprise a coil of wire that, when energized by an electrical signal, generates a magnetic field that pulls an armature towards the coil, causing a set of contacts to open or close. 

Relays are used to control high-voltage or high-current circuits by using a low-voltage or low-current signal to activate the relay. Relays are useful in situations where the control signal cannot handle the high voltage or current of the controlled circuit or when galvanic isolation is needed between the control signal and the controlled circuit. The type of relay used depends on the specific application and the electrical characteristics required for the circuit. They are commonly used in a wide range of electronic devices, from simple household appliances to complex industrial equipment.


Why Are Electronic Components Important?

The electronics industry relies heavily on components as they are the building blocks of electronic devices. Without components, it would be impossible to create the wide range of devices that we use today, from smartphones and computers to televisions and household appliances.

Here are some of the reasons why electronic components are so important in the industry:

• Functionality

Electronic components have specific functionalities that make them essential building blocks of modern electronics. Resistors, capacitors, diodes, transistors, and integrated circuits are some of the most common components, each with its unique purpose. For example, resistors are used to control the flow of electrical current; capacitors store electrical charge; diodes let current flow in only one direction; transistors act as switches or amplifiers; and integrated circuits are complex circuits that contain many components on a single chip. 

These components work together in various combinations to create circuits with specific functions, such as amplifiers, power supplies, and digital logic circuits. The functionality of electronic components provides precision and flexibility, allowing engineers to design electrical devices with improved efficiency, reliability, and performance.

• Flexibility

Electronic components are highly flexible and can be combined in different ways to create a wide range of circuits with varying functionalities. This flexibility allows engineers to design devices that can perform a wide range of tasks. For example, a microcontroller, a type of integrated circuit, can be programmed to perform various functions, such as controlling the temperature of a room or the speed of a motor. 

The flexibility of electronic components also allows for the miniaturization of electrical devices, making them more portable and convenient to use. With technological advancements, electronic components continue to become smaller and more powerful, enabling the development of wearable technology and other small devices.

• Innovation

As mentioned above, electronic components continue to become smaller, faster, and more powerful, promoting the development of new and innovative devices. For example, the development of the microprocessor, a type of integrated circuit, has revolutionized the computer industry, allowing for the creation of faster and more powerful computers. Similarly, the development of the LED, or light-emitting diode, has transformed the lighting industry, enabling the creation of energy-efficient lighting solutions. 

Advances in electronic components have also led to the development of new sectors such as the Internet of Things (IoT), which involves connecting everyday objects to the internet, and the field of nanoelectronics, which consists of the development of electronic components at the nanoscale. Thus, the innovation of electronic components has played a critical role in shaping our modern world and will undoubtedly continue this role in the future.

• Efficiency

Electronic components have played a significant role in improving the efficiency of digital technology. For example, using energy-efficient LED lights has reduced energy consumption in lighting systems, leading to considerable cost savings and reducing the environmental impact. The development of more efficient power supplies, using components such as transformers and capacitors, has also led to significant improvements in energy efficiency.

Furthermore, advancements in semiconductor technology, such as gallium nitride (GaN) and silicon carbide (SiC), have led to the development of more efficient power electronic components, enabling devices to operate at higher temperatures and reducing energy losses.

• Miniaturization

The miniaturization of electronic components has been a critical factor in developing smaller, more portable electrical devices. For instance, advances in semiconductor technology have created smaller transistors and other electronic components, enabling them to be integrated into smaller and more densely packed circuits. This miniaturization has led to the development of mobile devices including smartphones, wearables, and tablets, which are highly portable and convenient. 

Additionally, miniaturization has allowed the development of medical devices implanted inside the body, enabling more accurate and precise monitoring and treatment of medical conditions. The miniaturization of electrical devices has also led to energy consumption and efficiency improvements, allowing the devices to operate on smaller batteries for extended periods.


How To Look for Electronic Components With Tormeka

Electronic supply stores are a vital part of the industry, serving as a one-stop shop for individuals and businesses seeking electrical components. These stores offer a vast selection of components, ranging from simple resistors and capacitors to advanced microcontrollers and sensors. With the increasing demand for electronic devices, the importance of component stores cannot be overstated. 

These stores not only provide access to the latest electronic components but also offer valuable expertise and advice on how to use and install them effectively. As technology advances, components supply stores' importance will only continue to grow as these stores play a critical role in enabling innovation and creativity within the industry, thereby providing the necessary components and expertise for individuals and businesses to stay ahead of the curve. 

If you want to take advantage of what components stores or distributors have to offer, one of the first options you need to consider is Tormeka.

Tormeka is a components distributor carrying a vast selection of components, including resistors, capacitors, transistors, diodes, and integrated circuits, among others. 

One of the most significant advantages of shopping at Tormeka is the expertise and advice our staff can provide. These individuals have a deep understanding of components and can help you make informed decisions about your purchases. In addition, they can advise you on which components are best suited for your specific project and offer guidance on how to use and install them effectively. So, shopping at such an electronic supply store allows you to browse a wide range of components in a single place, making finding the exact components you need for your project easier. For instance, you do not need to search for an electronic component store near you, just send us a request, and all will be done online.

Another option is to check your local phone book or directory for components stores in your area. Many stores may not have a prominent online presence, so this can be an excellent way to find smaller, independent retailers that may not show up in online searches. Once you have a list of electronic components stores in your area, it's a good idea to check their websites or call them to confirm that they offer the components and supplies you need. You can also ask about their hours of operation, pricing, and any value-added services they offer, such as custom orders or technical support.

Although electronic components stores and distributors can typically sell electrical components in a variety of ways, whether online or in person, it is clear how online shopping has multiple benefits. Since stores such as Tormeka are specialized retailers offering a wide range of components, tools, and accessories for hobbyists and professionals alike, they have become the go-to source for engineers, technicians, and enthusiasts looking to purchase the latest components and tools for their projects anywhere and anytime.


What Does Tormeka Offer?

If you're still not convinced of the advantages Tormeka can offer, check below for a more detailed overview to see how it outweighs traditional shopping.


✓ Wide Selection

One of the primary benefits of shopping at Tormeka is the sheer range of available components. From resistors, capacitors, diodes, transistors, and sensors, electronic components stores offer a wide variety of electrical components. This means customers can find the exact components they need to get the job done, whether working on a hobby project or a complex industrial application. 

✓ High-quality Components

Another advantage of shopping at an equipment store, such as Tormeka, is the quality of its components. Unlike other retailers that may carry a limited selection, Tormeka specializes in electrical components and understands the importance of using high-quality parts in electrical circuits. So, Tormeka and other electronic components suppliers often tend to source their products directly from manufacturers, ensuring they are high quality. This is important because using low-quality components can result in circuit failures or malfunctions.

✓ Knowledgeable Personnel

In addition to offering a vast selection of high-quality components, Tormeka often employs knowledgeable personnel who can help customers select the right pieces for their specific needs, advising and guiding on components selection, circuit design, and troubleshooting. This can be especially valuable for beginners who may not have a deep understanding of electronics.

✓ Tools and Accessories

In addition to electrical components, Tormeka often carries a range of tools and accessories for working with electronic components, including soldering irons, multimeters, breadboards, and prototyping materials. Having access to these tools and accessories can make working with components much more effortless and efficient.

✓ Convenience

Tormeka is located online, making it easy for customers to find and purchase the components they need, anywhere they are.

✓ Competitive Pricing

Tormeka offers competitive pricing on electronic components, making them a cost-effective option for hobbyists and professionals alike.



Electronic components play a vital role in modern technology and have revolutionized the way we interact with the world around us. From sensors that detect and respond to changes in the environment to switches that control the flow of electrical current in a circuit, electronic components are used in a wide variety of applications and industries, including consumer electronics, healthcare, automotive, and aerospace engineering.

The development of electronic components has led to significant advancements in many areas, such as the Internet of Things, wearable technology, and autonomous systems. In addition, these components have enabled us to measure and analyze physical phenomena with unprecedented accuracy and precision, making it possible to optimize and control various processes and systems.

As technology continues to evolve, electronic components will continue to establish and play a vital role in shaping the future of our world. They will enable us to build smarter, more efficient, and more sustainable systems that will improve our quality of life and help us tackle some of the planet's biggest challenges. Therefore, it is essential to continue investing in research and development of electronic components to unlock their full potential and drive progress in the years to come.

To ensure a steady supply of components, it is important to access reliable components stores, such as Tormeka, that offer a wide range of components at competitive prices. In addition, these stores play a critical role within the industry by providing essential electrical components to engineers, hobbyists, and businesses alike.

As mentioned in this article, the importance of electronic components and components supply stores cannot be overstated. They are vital industry components; technological advancements and innovation would be severely hindered without them. As such, it is essential to support these businesses and invest in the development of new technologies to continue to drive the industry.