KSE171 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -60 V
• Collector-Base Voltage, max: -80 V
• Emitter-Base Voltage, max: -7 V
• Collector Current − Continuous, max: -3 A
• Collector Dissipation: 12.5 W
• DC Current Gain (h_fe): 50 to 250
• Transition Frequency, min: 50 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-126
• Electrically Similar to the Popular MJE171 transistor

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the KSE171 is the KSE181.You can replace the KSE171 with the BD178, BD180, BD180G, BD190, BD788, BD788G, BD790, BD792, KSE172, MJE171, MJE171G, MJE172, MJE172G, MJE235, MJE252 or MJE254.