KTC4372Y Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 150 V
• Collector-Base Voltage, max: 200 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.05 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 KTC4372Y transistor can have a current gain of 120 to 240. The gain of the KTC4372 will be in the range from 70 to 240, for the KTC4372O it will be in the range from 70 to 140.The KTC4372Y transistor is marked as "AY".The complementary PNP transistor to the KTC4372Y is the KTA1660Y.You can replace the KTC4372Y with the 2SC2880, 2SC2880-Y, BF620, BF622, DXT5551 or PBHV8115X.