KTC4378 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 60 V
• Collector-Base Voltage, max: 80 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 1 A
• Collector Dissipation: 0.5 W
• DC Current Gain (h_fe): 100 to 320
• Transition Frequency, min: 150 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 KTC4378 transistor can have a current gain of 100 to 320. The gain of the KTC4378GR will be in the range from 160 to 320, for the KTC4378Y it will be in the range from 100 to 200.The complementary PNP transistor to the KTC4378 is the KTA1668.