TIP41B Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 80 V
• Collector-Base Voltage, max: 80 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 6 A
• Collector Dissipation: 65 W
• DC Current Gain (h_fe): 15 to 75
• 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 TIP41B transistor is marked as "TIP41B".The complementary PNP transistor to the TIP41B is the TIP42B.You can replace the TIP41B with the BD709, BD711, BD909, BD911, BDT41B, BDT41BF, BDT41C, BDT41CF, MJE5180, MJE5181, MJE5182, TIP41BG, TIP41C, TIP41CF, TIP41CG, TIP41D, TIP41E, TIP41F, TIP42D, TIP42E or TIP42F.The TIP41BG transistor is the lead-free version of the TIP41B.