BD438 Bipolar Transistor

Characteristics of BD438 Transistor

Type: PNP
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 BD438

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

Complementary NPN transistor

The complementary NPN transistor to the BD438 is the BD437.

Replacement and Equivalent for BD438 transistor

You can replace the BD438 with the 2N4919, 2N4919G, 2N4920, 2N4920G, BD438G, MJE235 or MJE252.

Equivalent

Same transistor is also available in:

TO-3P package, BD250C: 125 watts
TO-126 package, BD435: 36 watts
TO-126 package, BD435G: 36 watts
TO-126 package, BD438G: 36 watts
TO-126 package, BD441: 36 watts

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