2SD1263-Q Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 250 V
• Collector-Base Voltage, max: 350 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.75 A
• Collector Dissipation: 35 W
• DC Current Gain (h_fe): 70 to 150
• Transition Frequency, min: 30 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 2SD1263-Q transistor can have a current gain of 70 to 150. The gain of the 2SD1263 will be in the range from 40 to 250, for the 2SD1263-P it will be in the range from 120 to 250, for the 2SD1263-R it will be in the range from 40 to 90.Sometimes the "2S" prefix is not marked on the package - the 2SD1263-Q might only be marked "D1263-Q".You can replace the 2SD1263-Q with the 2SC2336B, 2SC2898, 2SC3310, 2SC3794, 2SC3794A, 2SC3795, 2SC3795A, 2SC3868, 2SC4242, 2SC5241, 2SD1263A, 2SD1263A-Q, 2SD772B, 2SD792B, BUX84, BUX85, FJP5200, FJPF5200, MJE13070, MJE13071, MJE15032, MJE15032G, MJE16002, MJE16004, MJF47, MJF47G, NTE198, TIP47, TIP47G, TIP48, TIP48G, TIP49, TIP49G, TIP50 or TIP50G.