2SC4512-Y Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 80 V
• Collector-Base Voltage, max: 120 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 6 A
• Collector Dissipation: 50 W
• DC Current Gain (h_fe): 90 to 180
• Transition Frequency, min: 20 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The 2SC4512-Y transistor can have a current gain of 90 to 180. The gain of the 2SC4512 will be in the range from 50 to 180, for the 2SC4512-O it will be in the range from 50 to 100, for the 2SC4512-P it will be in the range from 70 to 140.Sometimes the "2S" prefix is not marked on the package - the 2SC4512-Y might only be marked "C4512-Y".The complementary PNP transistor to the 2SC4512-Y is the 2SA1726-Y.The BDP953 (SOT-223) is the SMD version of the 2SC4512-Y transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the 2SC4512-Y with the 2SC1986, 2SC2334, 2SC2527, 2SC3346, 2SC3710, 2SC3710A, 2SC3834, 2SC4153, 2SC4511, 2SC4511-Y, 2SD1271, 2SD1271-Q, 2SD1362, 2SD1411, 2SD1411A, 2SD363, 2SD569, 2SD613, 2SD823, 2SD866, 2SD866-Q, 2SD866A, 2SD866A-Q, BD243B, BD243C, BD537, BD543B, BD543C, BD545B, BD545C, BD799, BD801, BD809, BDT83, BDT83F, BDT85, BDT85F, BDT87, BDT87F, BDT93, BDT93F, BDT95, BDT95F, BDX77, D44H11, D44H11FP, KSC2334, KSD363, KSD569, MJE15028, MJE15028G, MJE15030, MJE15030G, MJF15030, MJF15030G, TIP41D, TIP41E, TIP41F, TIP42D, TIP42E or TIP42F.