The TIP122 is an NPN Darlington bipolar power transistor designed for high-voltage and high-current switching applications. It combines two transistors in a single package to provide high current gain and robust performance.
Key Features:
- Transistor Type: NPN Darlington.
- Collector-Emitter Voltage (VCEO): 100V.
- Collector Current (IC): 5A continuous (8A peak).
- Power Dissipation: Typically handles up to 65W.
- High Gain: Very high current gain (hFE) in the order of thousands.
- Low Saturation Voltage: Provides efficient switching with minimal voltage drop.
- Package: TO-220 package for effective heat dissipation.
- Applications: Commonly used in relay drivers, motor controls, power supplies, and solenoid drivers.
- Operating Temperature: -65°C to +150°C.
- Base-Emitter Saturation Voltage (VBE(sat)): Typically around 2V.
- Transition Frequency (ft): Up to several MHz.
- Safe Operating Area (SOA): Ensures safe operation under different load conditions.
- Mounting: Through-hole mounting for easy integration into circuit boards.