BD538K Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -80 V
• Collector-Base Voltage, max: -80 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -8 A
• Collector Dissipation: 50 W
• DC Current Gain (h_fe): 40 to 100
• Transition Frequency, min: 3 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The BD538K transistor can have a current gain of 40 to 100. The gain of the BD538 will be in the range from 40 to 0, for the BD538J it will be in the range from 30 to 75.The complementary NPN transistor to the BD538K is the BD537K.You can replace the BD538K with the 2N6491, 2N6491G, BD710, BD712, BD744B, BD744C, BD800, BD802, BD810, BD910, BD912, BDT84, BDT84F, BDT86, BDT86F, BDT88, BDT88F, BDT94, BDT94F, BDT96, BDT96F, BDX78, MJE15029, MJE15029G, MJE15031, MJE15031G, MJF15031, MJF15031G, MJF2955 or MJF2955G.