D44H11 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 80 V
• Collector-Base Voltage, max: 0 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 10 A
• Collector Dissipation: 50 W
• DC Current Gain (h_fe): 60
• Transition Frequency, min: 40 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 D44H11 transistor is marked as "D44H11".You can replace the D44H11 with the 2N6388, 2N6388G, 2SC2527, 2SC3346, 2SC3346-O, 2SC3346-Y, 2SC3710, 2SC3710-O, 2SC3710-Y, 2SC3710A, 2SC3710A-O, 2SC3710A-Y, BD545B, BD545C, BDT63A, BDT63B, BDT63C, BDT65A, BDT65B, BDT65C, BDW41, BDW41G, BDW42, BDW42G, BDW43, BDW93B, BDW93C, BDW93CF, BDX33B, BDX33BG, BDX33C, BDX33CG, BDX33D, D44H11FP, MJF6388, MJF6388G, TIP141T, TIP142T or TTC3710B.