BD440 Bipolar Transistor

Characteristics of BD440 Transistor

Type: PNP
Collector-Emitter Voltage, max: -60 V
Collector-Base Voltage, max: -60 V
Emitter-Base Voltage, max: -5 V
Collector Current − Continuous, max: -4 A
Collector Dissipation: 36 W
DC Current Gain (h_fe): 40 to 140
Transition Frequency, min: 3 MHz
Operating and Storage Junction Temperature Range: -65 to +150 °C
Package: TO-126

Pinout of BD440

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

Complementary NPN transistor

The complementary NPN transistor to the BD440 is the BD439.

Replacement and Equivalent for BD440 transistor

You can replace the BD440 with the 2N4919, 2N4919G, 2N4920, 2N4920G, BD190, BD440G, BD442, BD442G, BD788, BD788G, BD790, BD792, MJE233, MJE234, MJE235, MJE250, MJE251, MJE252, MJE253, MJE253G or MJE254.

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, BD437G: 36 watts

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