2SA1942O Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -160 V
• Collector-Base Voltage, max: -160 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -12 A
• Collector Dissipation: 120 W
• DC Current Gain (h_fe): 80 to 160
• Transition Frequency, min: 30 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-264

Here is an image showing the pin diagram of this transistor.The 2SA1942O transistor can have a current gain of 80 to 160. The gain of the 2SA1942 will be in the range from 55 to 160, for the 2SA1942R it will be in the range from 55 to 110.Sometimes the "2S" prefix is not marked on the package - the 2SA1942O might only be marked "A1942O".The complementary NPN transistor to the 2SA1942O is the 2SC5199O.You can replace the 2SA1942O with the 2SA1301, 2SA1301O, 2SA1302, 2SA1302O, 2SA1386, 2SA1386A, 2SA1386A-O, 2SA1386A-P, 2SA1386A-Y, 2SA1492, 2SA1516, 2SA1943, 2SA1943N, 2SA1943O, 2SA1962, 2SA1962O, 2SA1986, 2SA1986-O, 2SA2063, 2SA2120, 2SA2120-O, 2SA2121, 2SA2121-O, 2SA2151, 2SA2151A, 2SA2151A-O, 2SA2151A-P, 2SA2151A-Y, 2SB1162, 2SB1162-S, 2SB1163, 2SB1163-S, 2SB1429, 2SB1429-O, FJA4213, FJA4213O, FJL4215, FJL4215O, KTA1943, KTA1943A, KTA1943AO, KTA1943O, KTA1962, KTA1962A, KTA1962AO, KTA1962O, MJW1302A, MJW1302AG, NTE2329, TTA0001, TTA0002 or TTA1943.