2SC2270 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 40 V
• Collector-Base Voltage, max: 50 V
• Emitter-Base Voltage, max: 8 V
• Collector Current − Continuous, max: 5 A
• Collector Dissipation: 10 W
• DC Current Gain (h_fe): 140 to 450
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -55 to +125 °C
• Package: TO-126

Here is an image showing the pin diagram of this transistor.The 2SC2270 transistor can have a current gain of 140 to 450. The gain of the 2SC2270-A will be in the range from 140 to 240, for the 2SC2270-B it will be in the range from 200 to 330, for the 2SC2270-C it will be in the range from 300 to 450.Sometimes the "2S" prefix is not marked on the package - the 2SC2270 might only be marked "C2270".The 2SD1624 (SOT-89) is the SMD version of the 2SC2270 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the 2SC2270 with the 2SC3420, BDX35, BDX36 or BDX37.