2SC3915 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 50 V
• Collector-Base Voltage, max: 50 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 0.5 A
• Collector Dissipation: 0.2 W
• DC Current Gain (h_fe): 50
• Transition Frequency, min: 250 MHz
• 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 2SC3915 transistor is marked as "WY".The complementary PNP transistor to the 2SC3915 is the 2SA1521.You can replace the 2SC3915 with the 2SC3325, 2SC3325-O, 2SC3325-Y, 2SC3912, 2SC3913, 2SC3914, 2SD602A, 2SD602A-Q, 2SD602A-R, 2SD602A-S, 2STR1160, BCV71, BCV72, FMMT451, FMMT491, FMMT491Q, FMMT619, FMMT620, FMMTA05, FMMTA06, KST05, KST06, MMBT6428, MMBTA05, MMBTA06, PMBTA06, SMBTA05 or SMBTA06.