KTC3875O 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): 70 to 140
• 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 KTC3875O transistor can have a current gain of 70 to 140. 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 KTC3875Y it will be in the range from 120 to 240.The KTC3875O transistor is marked as "ALO".The complementary PNP transistor to the KTC3875O is the KTA1504O.You can replace the KTC3875O with the 2SC2712, 2SC2712-O, 2SC3325, 2SC3325-O, 2SC3912, 2SC3913, 2SC3914, 2SC3915, 2SC4209, 2SC4209-O, 2SC4738, 2SC4738-O, FMMT451, FMMTA05, FMMTA06, KST05, KST06, KTC3875S or KTC3875S-O.