KTC3875Y Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 50 V
• Collector-Base Voltage, max: 60 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.15 A
• Collector Dissipation: 0.15 W
• DC Current Gain (h_fe): 120 to 240
• Transition Frequency, min: 80 MHz
• Noise Figure, max: 1 dB
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-23

Here is an image showing the pin diagram of this transistor.The KTC3875Y transistor can have a current gain of 120 to 240. The gain of the KTC3875 will be in the range from 70 to 700, for the KTC3875BL it will be in the range from 350 to 700, for the KTC3875GL it will be in the range from 200 to 400, for the KTC3875O it will be in the range from 70 to 140.The KTC3875Y transistor is marked as "ALY".The complementary PNP transistor to the KTC3875Y is the KTA1504Y.You can replace the KTC3875Y with the 2SC2412, 2SC2412-Q, 2SC2712, 2SC2712-Y, 2SC3325, 2SC3325-Y, 2SC3441, 2SC3912, 2SC3913, 2SC3914, 2SC3915, 2SC4209, 2SC4209-Y, 2SC4738, 2SC4738-Y, 2SD602A, 2SD602A-R, FMMT491, FMMT491Q, FMMT619, FMMT620, FMMTA05, FMMTA06, KST05, KST06, KTC3875S, KTC3875S-Y, MMBTA05, MMBTA06, PMBTA06, SMBTA05, SMBTA06 or TMBT3904.