KSA1142 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -180 V
• Collector-Base Voltage, max: -180 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.1 A
• Collector Dissipation: 8 W
• DC Current Gain (h_fe): 100 to 320
• Transition Frequency, min: 180 MHz
• Noise Figure, max: 5 dB
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-126
• Electrically Similar to the Popular 2SA1142 transistor

Here is an image showing the pin diagram of this transistor.The KSA1142 transistor can have a current gain of 100 to 320. The gain of the KSA1142O will be in the range from 100 to 200, for the KSA1142Y it will be in the range from 160 to 320.The complementary NPN transistor to the KSA1142 is the KSC2682.You can replace the KSA1142 with the 2SA1142, 2SA1210, 2SA1352, 2SA1353, 2SA1380, 2SA1381, 2SA1406, 2SA1407, 2SA1478, 2SA1479, 2SA1480, 2SA1540, 2SA1541, 2SA795A, 2SB1110 or KSA1381.