2SC4161-M Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 400 V
• Collector-Base Voltage, max: 500 V
• Emitter-Base Voltage, max: 7 V
• Collector Current − Continuous, max: 7 A
• Collector Dissipation: 30 W
• DC Current Gain (h_fe): 20 to 40
• Transition Frequency, min: 20 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-220F

Here is an image showing the pin diagram of this transistor.The 2SC4161-M transistor can have a current gain of 20 to 40. The gain of the 2SC4161 will be in the range from 15 to 50, for the 2SC4161-L it will be in the range from 15 to 30, for the 2SC4161-N it will be in the range from 30 to 50.Sometimes the "2S" prefix is not marked on the package - the 2SC4161-M might only be marked "C4161-M".You can replace the 2SC4161-M with the 2N6740, 2SC2335, 2SC2335-M, 2SC2898, 2SC3039, 2SC3039-M, 2SC3057, 2SC4106, 2SC4106M, 2SC4107, 2SC4107-M, 2SC4108, 2SC4108-M, 2SC4162, 2SC4162-M, 2SC4163, 2SC4163-M, 2SC4164, 2SC4164-M, 2SC4242, FJP13007, FJP13009, KSC2335, KSC2335-R, KSE13007, KSE13007F, KSE13009, MJE13007, MJE13007A, MJE13007G, MJE13009, MJE13009G, STD13007, STD13007F, STD13007FC or STD13007P.