
Transistor/MOSFET
TIP126 Darlington Transistor
The TIP126 is a high-power PNP Darlington transistor in a TO-220 package, capable of handling up to 5A collector current and 65W power dissipation. It is ideal for driving heavy loads like motors, relays, and lighting circuits in various electronic projects.
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Category
Transistor/MOSFET
Quality
100% Genuine
About TIP126 Darlington Transistor
The TIP126 is a complementary PNP Darlington power transistor designed for high-gain amplification and switching applications. It features a monolithic Darlington configuration, offering very high current gain (hFE) and low collector-emitter saturation voltage, which minimizes power loss. This transistor is commonly used in applications requiring substantial current handling, such as motor speed controllers, relay drivers, solenoid actuators, and power supply regulators. Its TO-220 package allows for easy mounting on heat sinks for thermal management. While the original Fairchild Semiconductor version is discontinued, reliable alternatives from manufacturers like STMicroelectronics and Multicomp are widely available. Choosing the TIP126 ensures robust performance for your power switching needs, with proven reliability in both hobbyist and industrial circuits.
Technical Specifications
| Type | PNP Darlington Transistor |
|---|---|
| Maximum Collector-Emitter Voltage (Vceo) | 80V |
| Maximum Collector Current (Ic) | 5A |
| Maximum Power Dissipation (Pd) | 65W |
| DC Current Gain (hFE) | 1000 (min) at 3V, 3A |
| Package | TO-220 |
| Number of Pins | 3 |
| Operating Temperature | -55°C to 150°C |
| Complementary NPN | TIP121 |
Alternative Components
TIP120
TIP121
TIP127
TIP125









