BD301 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 45 V
• Collector-Base Voltage, max: 60 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 8 A
• Collector Dissipation: 55 W
• DC Current Gain (h_fe): 30
• Transition Frequency, min: 3 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the BD301 is the BD302.You can replace the BD301 with the 2N6043, 2N6043G, 2N6044, 2N6044G, 2N6387, 2N6387G, 2N6388, 2N6388G, 2N6530, 2SC3255, 2SC3255-Q, 2SC3255-R, 2SC3255-S, 2SC3345, 2SC3345-O, 2SC3345-Y, 2SC3346, 2SC3346-O, 2SC3346-Y, 2SC3709, 2SC3709-O, 2SC3709-Y, 2SC3709A, 2SC3709A-O, 2SC3709A-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, 2SD1062, 2SD1062-Q, 2SD1062-R, 2SD1062-S, 2SD1158, 2SD1192, 2SD1277, 2SD1277-P, 2SD1277-Q, 2SD1277A, 2SD1277A-P, 2SD1277A-Q, 2SD1669, 2SD1669-Q, 2SD1669-R, 2SD1669-S, 2SD1827, BD201, BD203, BD303, BD533, BD533J, BD533K, BD535, BD535J, BD535K, BD537, BD537J, BD537K, BD543A, BD543B, BD545A, BD545B, BD643, BD645, BD647, BD795, BD797, BD799, BD807, BD809, BD895, BD895A, BD897, BD897A, BD899, BD899A, BDT63, BDT63A, BDT65, BDT65A, BDT81, BDT81F, BDT83, BDT83F, BDW39, BDW40, BDW41, BDW41G, BDW73, BDW73A, BDW73B, BDW93, BDW93A, BDW93B, BDX33, BDX33A, BDX33B, BDX33BG, BDX53, BDX53A, BDX53B, BDX53BG, BDX77, D44H11, D44H11FP, D44H8, TIP100, TIP100G, TIP101, TIP101G, TIP130, TIP130G, TIP131, TIP131G, TIP140T, TIP141T or TTC3710B.