BD437G Bipolar Transistor

Characteristics of BD437G Transistor

Type: NPN
Collector-Emitter Voltage, max: 45 V
Collector-Base Voltage, max: 45 V
Emitter-Base Voltage, max: 5 V
Collector Current − Continuous, max: 4 A
Collector Dissipation: 36 W
DC Current Gain (h_fe): 30 to 130
Transition Frequency, min: 3 MHz
Operating and Storage Junction Temperature Range: -65 to +150 °C
Package: TO-126

Pinout of BD437G

Here is an image showing the pin diagram of this transistor.

Replacement and Equivalent for BD437G transistor

You can replace the BD437G with the 2N4922, 2N4922G, 2N4923, 2N4923G, BD437, MJE225 or MJE242.

Equivalent

Same transistor is also available in:

TO-3P package, BD249C: 125 watts
TO-126 package, BD434: 36 watts
TO-126 package, BD434G: 36 watts
TO-126 package, BD437: 36 watts
TO-126 package, BD440: 36 watts

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