TT2142 NPN Power Transistor TO‑220 Package

TT2142: High‑Current NPN Power Transistor for Switching and Amplifier Applications

The TT2142 is a silicon NPN power transistor designed for high-current, medium-voltage switching and linear amplifier applications. Known for its robustness and reliability, it delivers excellent power dissipation, current gain, and thermal stability. Housed in a standard TO‑220 package, the TT2142 is ideal for motor drives, audio amplifier stages, and regulated power supplies in both industrial and consumer electronics.

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Features of TT2142 Transistor

• Silicon NPN power transistor
• High current gain and fast switching speed
• Low saturation voltage for efficient operation
• Suitable for general-purpose amplifier and switch
• TO‑220 package for effective heat dissipation

Specifications of TT2142 Transistor

• Transistor Type: NPN bipolar junction transistor (BJT)
• Collector‑Emitter Voltage (V_CEO): 160 V
• Collector Current (I_C): 10 A
• Power Dissipation (P_D): ~80 W
• DC Current Gain (h_FE): 40–320 (depending on I_C)
• Package: TO‑220

Applications of TT2142 Transistor

• Switching regulators
• Power amplifiers
• Relay and lamp drivers
• Motor control circuits
• General‑purpose power electronics

Related Links

• TT2142 Datasheet (PDF)
• Browse More MOSFETs & Transistors

Package Include

• 1 × TT2142 NPN Power Transistor (TO‑220)