BD434 Bipolar Transistor

Characteristics of BD434 Transistor

Type: PNP
Collector-Emitter Voltage, max: -22 V
Collector-Base Voltage, max: -22 V
Emitter-Base Voltage, max: -5 V
Collector Current − Continuous, max: -4 A
Collector Dissipation: 36 W
DC Current Gain (h_fe): 40 to 130
Transition Frequency, min: 3 MHz
Operating and Storage Junction Temperature Range: -65 to +150 °C
Package: TO-126

Pinout of BD434

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

Complementary NPN transistor

The complementary NPN transistor to the BD434 is the BD433.

Replacement and Equivalent for BD434 transistor

You can replace the BD434 with the 2N4918, 2N4918G, BD186, BD434G, BD436, BD436G, MJE230, MJE231 or MJE232.

Equivalent

Same transistor is also available in:

TO-3P package, BD249C: 125 watts
TO-126 package, BD434G: 36 watts
TO-126 package, BD437: 36 watts
TO-126 package, BD437G: 36 watts
TO-126 package, BD440: 36 watts

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