KSC2859-O Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 30 V
• Collector-Base Voltage, max: 35 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.5 A
• Collector Dissipation: 0.15 W
• DC Current Gain (h_fe): 70 to 140
• Transition Frequency, min: 200 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-23
• Electrically Similar to the Popular 2SC2859-O transistor

Here is an image showing the pin diagram of this transistor.The KSC2859-O transistor can have a current gain of 70 to 140. The gain of the KSC2859 will be in the range from 70 to 240, for the KSC2859-Y it will be in the range from 120 to 240.The KSC2859-O transistor is marked as "E1O".You can replace the KSC2859-O with the 2SC2859, 2SC2859-O, 2SC3325, 2SC3325-O, 2SC3912, 2SC3913, 2SC3914, 2SC3915, FMMT451, FMMTA05, KST05, KTC3876, KTC3876O, KTC3876S, KTC3876S-O or MMBT4400.