KTA1659A 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: -1.5 A
• Collector Dissipation: 20 W
• DC Current Gain (h_fe): 70 to 240
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-220F

Here is an image showing the pin diagram of this transistor.The KTA1659A transistor can have a current gain of 70 to 240. The gain of the KTA1659AO will be in the range from 70 to 140, for the KTA1659AY it will be in the range from 120 to 240.The complementary NPN transistor to the KTA1659A is the KTC4370A.You can replace the KTA1659A with the 2SA1006, 2SA1006A, 2SA1006B, 2SA1306A, 2SA1306B, 2SA1668, 2SA1859A, 2SA968A, 2SA968B, 2SB940A, KTA968A, KTB1369, MJE15033, MJE15033G, MJE5850, MJE5850G, MJE5851 or MJE5851G.