KTC4373Y Bipolar Transistor

• Type: NPN
• 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 KTC4373Y transistor can have a current gain of 120 to 240. The gain of the KTC4373 will be in the range from 80 to 240, for the KTC4373O it will be in the range from 80 to 160.The KTC4373Y transistor is marked as "CY".The complementary PNP transistor to the KTC4373Y is the KTA1661Y.You can replace the KTC4373Y with the 2SC2881, 2SC2881-Y or PBHV8115X.