KTA1664 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -30 V
• Collector-Base Voltage, max: -35 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.8 A
• Collector Dissipation: 0.5 W
• DC Current Gain (h_fe): 100 to 320
• Transition Frequency, min: 120 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-89

Here is an image showing the pin diagram of this transistor.The KTA1664 transistor can have a current gain of 100 to 320. The gain of the KTA1664O will be in the range from 100 to 200, for the KTA1664Y it will be in the range from 160 to 320.The complementary NPN transistor to the KTA1664 is the KTC4376.You can replace the KTA1664 with the 2SA1203, 2SA1204, 2SB1122, 2SB1123, 2SB1124, 2SB766A or KTA1663.