D44H8 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 60 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 D44H8 transistor is marked as "D44H8".The NZT44H8 (SOT-223) is the SMD version of the D44H8 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the D44H8 with the 2N6387, 2N6387G, 2N6388, 2N6388G, 2SC2527, 2SC3255, 2SC3255-Q, 2SC3255-R, 2SC3255-S, 2SC3346, 2SC3346-O, 2SC3346-Y, 2SC3710, 2SC3710-O, 2SC3710-Y, 2SC3710A, 2SC3710A-O, 2SC3710A-Y, 2SC3748, 2SC3748-Q, 2SC3748-R, 2SC3748-S, 2SC4551, 2SC4551-K, 2SC4551-L, 2SC4551-M, 2SC4552, 2SC4552-K, 2SC4552-L, 2SC4552-M, 2SD1192, 2SD1827, BD545A, BD545B, BD545C, BDT63, BDT63A, BDT63B, BDT63C, BDT65, BDT65A, BDT65B, BDT65C, BDW40, BDW41, BDW41G, BDW42, BDW42G, BDW43, BDW93A, BDW93B, BDW93C, BDW93CF, BDX33A, BDX33B, BDX33BG, BDX33C, BDX33CG, BDX33D, D44H11, D44H11FP, MJF6388, MJF6388G, TIP140T, TIP141T, TIP142T or TTC3710B.