KTA1661Y Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -120 V
• Collector-Base Voltage, max: -120 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.8 A
• Collector Dissipation: 0.5 W
• DC Current Gain (h_fe): 120 to 240
• 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 KTA1661Y transistor can have a current gain of 120 to 240. The gain of the KTA1661 will be in the range from 80 to 240, for the KTA1661O it will be in the range from 80 to 160.The KTA1661Y transistor is marked as "DY".The complementary NPN transistor to the KTA1661Y is the KTC4373Y.You can replace the KTA1661Y with the 2SA1201, 2SA1201-Y or PBHV9115X.