Transistor
Key Features
- Dual Functionality: Acts as both a high-speed solid-state switch and a precise signal amplifier.2
- High-Speed Switching: Capable of switching at kilohertz (kHz) or megahertz (MHz) frequencies for PWM control.
- Standardized Packaging: Available in through-hole (TO-92, TO-220) and SMD (SOT-23, DPAK) for any board design.
- High Gain & Efficiency: Designed for maximum current gain or low “On-Resistance” to minimize heat.
- Reliable Thermal Performance: Built to withstand industrial temperature ranges with easy heat-sink mounting for power versions.
Technical Specification BJT (Bipolar) Range
Common Models 2N2222, BC547, TIP120
Max Voltage 30V to 1000V+
Max Current 100mA to 15A+
Power Dissipation 625mW to 100W+
Package Types TO-92, TO-126, TO-220
Control Logic Current Controlled (Base)
Technical Specification MOSFET (Field Effect) Range
Common Models IRFZ44N, 2N7000, IRF540
Max Voltage 20V to 600V+
Max Current 200mA to 50A+
Power Dissipation 400mW to 150W+
Package Types SOT-23, TO-220, TO-247
Control Logic Voltage Controlled (Gate)
Common Applications
- Load Switching: Using a low-power signal (like from an Arduino) to turn on high-power LEDs, motors, or fans.
- Signal Amplification: Boosting small audio or radio signals in pre-amps and transmitter circuits.
- Voltage Regulation: Acting as the pass element in linear power supplies to maintain steady output.
- PWM Control: Rapidly pulsing power to adjust motor speed or LED brightness efficiently.
- Inverters & Converters: Essential for DC-to-AC conversion and high-frequency switching power supplies.
