BD237 Transistor TO126 CDIL 95V 2A NPN Transistors 237 CDIL BD237

Product Overview

A complementary silicon plastic power NPN transistor designed for general-purpose amplifier and medium-power switching applications. Housed in a through-hole TO-126 package, it features low saturation voltage and a robust design capable of managing inductive loads. It is commonly used as a driver or output stage in audio amplifiers, line drivers, small motor controls, and relay driving circuits.

Core Specifications

• Manufacturer: CDIL (Continental Device India Limited)

• Package Type: TO-126 (Through-Hole Plastic Package)

• Component Type: NPN Silicon Power Transistor

• Voltage Rating ($V_{CEO}$): 80V (Collector-Emitter Voltage, Open Base)

• Voltage Rating ($V_{CBO}$): 100V (Collector-Base Voltage, Open Emitter)

• Voltage Rating ($V_{EBO}$): 5V (Emitter-Base Voltage, Open Collector)

• Current Rating ($I_C$): 2A (Continuous Collector Current)

• Peak Current Rating ($I_{CM}$): 3A

• Power Dissipation ($P_{tot}$): 25W (at $T_C = 25^\circ C$)

• DC Current Gain ($h_{FE}$): 40 to 250

• Marking Code: BD237

• Part Number: BD237