Electronics play a big role in our everyday life, from the mobile phones we use to the appliances in our homes. Behind every device, there are small parts called electronic components that work together to make the device function properly. Each component has a specific name and purpose, and learning these names in English is very helpful for students, learners, and anyone interested in technology. In this article, we will learn the electronic components names in English with pictures to make learning simple, clear, and easy to remember.
List of Electronic Components Names in English
- Resistor
- Capacitor
- Inductor
- Diode
- Light Emitting Diode (LED)
- Zener Diode
- Schottky Diode
- Transistor
- Bipolar Junction Transistor
- Field Effect Transistor
- Phototransistor
- Thyristor
- Varistor
- Thermistor
- Fuse
- Circuit Breaker
- Switch
- Toggle Switch
- Push Button
- Rotary Switch
Electronic Components Names and Their Pictures
- Resistor
Limits the electrical current flow in a circuit and helps control voltage levels to protect electronic components.
- Capacitor
Stores electrical energy temporarily and releases it when needed to smooth voltage or filter signals in circuits.
- Inductor
A coil that stores energy as a magnetic field when current flows, useful for filtering and energy storage.
- Diode
Allows current to pass in one direction only, blocking reverse flow and protecting sensitive electronic devices.
- Light Emitting Diode (LED)
Emits visible light when electricity passes through, used for indicators, displays, and illumination purposes.
- Zener Diode
Maintains a constant voltage in reverse breakdown, useful for voltage regulation and circuit protection applications.
- Schottky Diode
Fast-switching diode with low forward voltage drop, ideal for high-speed circuits and power rectification uses.
- Transistor
Acts as an electronic switch or amplifier, controlling current flow for signal processing and power regulation tasks.
- Bipolar Junction Transistor
Uses both electron and hole charge carriers to amplify signals or act as a controlled switch.
- Field Effect Transistor
Controls current using an electric field, offering high input resistance and efficient switching for circuits.
- Phototransistor
A light-sensitive transistor that changes current based on light intensity, used in sensors and optical communication systems.
- Thyristor
A semiconductor device acting as a switch, conducting when triggered until current falls below a certain threshold.
- Varistor
Voltage-dependent resistor that protects circuits by absorbing excess voltage during spikes or transient surges.
- Thermistor
Temperature-sensitive resistor whose resistance changes with heat, used for temperature sensing or circuit protection tasks.
- Fuse
Safety device with a metal strip that melts and breaks the circuit when current exceeds safe limits.
- Circuit Breaker
Automatically cuts off electrical flow when current overloads, protecting equipment and preventing fire hazards.
- Switch
Manually opens or closes an electrical circuit, allowing or stopping current flow between two points.
- Toggle Switch
Lever-type switch that stays in set position, used to control on/off states of circuits.
- Push Button
Momentary switch that allows current flow only while the button is pressed and held down.
- Rotary Switch
Multi-position switch is rotated to connect different circuit paths, selecting various functions or operating modes.
Electronic Components Names and Their Pictures
All Electronic Components Names in English
- Relay
- Solid State Relay
- Transformer
- Step-Up Transformer
- Step-Down Transformer
- Power Supply Unit
- Voltage Regulator
- Rectifier
- Bridge Rectifier
- Oscillator
- Crystal Oscillator
- Quartz Crystal
- Potentiometer
- Trimmer Potentiometer
- Rheostat
- Ferrite Bead
- Inductor Coil
- Choke Coil
- Integrated Circuit
- Microcontroller
Best Electronic Components and Their Pictures
- Relay
An electromechanical switch uses a small control current to open or close a separate high-power circuit.
- Solid State Relay
An electronic switching device with no moving parts, using semiconductors to control power safely.
- Transformer
Transfers electrical energy between circuits using magnetic induction, changing voltage levels without altering frequency.
- Step-Up Transformer
Increases AC voltage from primary to secondary winding while reducing current proportionally for power transmission.
- Step-Down Transformer
Reduces AC voltage from primary to secondary winding, making electricity safer for household devices.
- Power Supply Unit
Converts incoming electrical energy into a stable DC or required AC voltage to run electronic equipment.
- Voltage Regulator
Maintains a constant output voltage despite changes in input voltage or load conditions.
- Rectifier
Converts alternating current (AC) into direct current (DC) for powering electronic circuits and devices.
- Bridge Rectifier
Uses four diodes arranged in a bridge to provide full-wave conversion of AC into DC.
- Oscillator
Produces continuous, repeating AC signal or waveform without external input, used in clocks and radios.
- Crystal Oscillator
Uses a quartz crystal’s vibration to generate precise and stable frequency signals for timing circuits.
- Quartz Crystal
A piezoelectric crystal that vibrates at a specific frequency when electrified, providing an accurate timing reference.
- Potentiometer
Adjustable resistor with three terminals, allowing the user to vary the voltage or control the electrical signal levels.
- Trimmer Potentiometer
Small adjustable resistor used for fine-tuning circuit voltages or calibration during setup.
- Rheostat
Two-terminal variable resistor designed to control current flow or adjust light and motor speeds.
- Ferrite Bead
A Passive component that suppresses high-frequency noise in electronic circuits by absorbing electromagnetic interference.
- Inductor Coil
A wire wound into a coil creates a magnetic field to store energy and filter signals in circuits.
- Choke Coil
Specialized inductor that blocks high-frequency AC while allowing DC or low-frequency current to pass.
- Integrated Circuit
Miniaturized electronic circuit with transistors, resistors, and other components fabricated onto a single chip.
- Microcontroller
A compact integrated circuit containing a processor, memory, and input/output peripherals for controlling specific electronic tasks.
Best Electronic Components and Their Pictures
Common Electronic Component Name in English
- Microprocessor
- Logic Gate IC
- Operational Amplifier
- Comparator IC
- EEPROM
- Flash Memory Chip
- RAM Chip
- ROM Chip
- Sensor
- Temperature Sensor
- Light Sensor
- Motion Sensor
- Proximity Sensor
- Pressure Sensor
- Humidity Sensor
- Current Sensor
- Voltage Sensor
- Hall Effect Sensor
- Photodiode
- Photocell
60 Electronic Component name and their pictures
- Microprocessor
Central processing chip executing instructions, performing calculations, and controlling operations in computers or electronic systems efficiently.
- Logic Gate IC
An integrated circuit performs basic digital logic functions like AND, OR, and NOT to process signals.
- Operational Amplifier
High-gain voltage amplifier used for signal conditioning, filtering, and mathematical operations in analog circuits.
- Comparator IC
Compares two input voltages and outputs a digital signal indicating which input is higher.
- EEPROM
Electrically erasable programmable read-only memory stores small data that can be rewritten many times without power loss.
- Flash Memory Chip
- Non-volatile memory chip allowing quick data storage and multiple rewrites without an external power supply.
- RAM Chip
Temporary memory storing data for quick CPU access, erased automatically when power is turned off.
- ROM Chip
A permanent memory chip holding essential instructions that cannot be changed during normal computer operation.
- Sensor
A device that detects physical changes like temperature, light, or motion, converting them into electrical signals.
- Temperature Sensor
Measures heat level and outputs an electrical signal representing environmental or object temperature changes accurately.
- Light Sensor
Detects light intensity and converts brightness changes into proportional electrical signals for electronic circuits.
- Motion Sensor
Senses movement of objects or people and triggers an electrical signal to activate alarms or lights.
- Proximity Sensor
Detects the presence of nearby objects without physical contact by emitting and receiving electromagnetic signals.
- Pressure Sensor
Measures force applied over an area and converts pressure changes into readable electrical signals.
- Humidity Sensor
Monitors air moisture levels and provides an electrical output showing relative humidity percentage.
- Current Sensor
Detects and measures electric current flow, generating a proportional signal for monitoring or control.
- Voltage Sensor
Measures the electrical potential difference between two points and outputs a safe proportional signal.
- Hall Effect Sensor
Uses magnetic field detection to generate voltage, sensing speed, position, or current accurately.
- Photodiode
A semiconductor device that converts light into electrical current, used in cameras, detectors, and solar applications.
- Photocell
Light-dependent resistor that changes electrical resistance based on surrounding light intensity for control circuits.
60 Electronic Component name and their pictures
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