TTC004B Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 160 V
• Collector-Base Voltage, max: 160 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 1.5 A
• Collector Dissipation: 10 W
• DC Current Gain (h_fe): 140 to 280
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-126

Here is an image showing the pin diagram of this transistor.The TTC004B transistor is marked as "C004B".The complementary PNP transistor to the TTC004B is the TTA004b.You can replace the TTC004B with the 2SC3117, 2SC3117-S, 2SC3902 or 2SC3902-S.