2N3744

Single Bipolar Transistors Overview

The 2N3744 is a power NPN silicon bipolar transistor housed in a TO-111 metal post/stud mount package. It features an isolated case connection and supports a maximum collector current of 5 A with a collector-emitter breakdown voltage of 40 V. The device has a maximum power dissipation of 30 W, a minimum DC current gain (hFE) of 20, and operates up to a junction temperature of 175 °C.

Single Bipolar Transistors Feature Summary

• High current capability with 5 A continuous collector current rating
• Robust thermal management via metal post/stud mount construction
• Isolated case design for direct mounting to heatsinks
• Silicon NPN structure optimized for power switching applications

Single Bipolar Transistors Applications

• Power amplifier circuits
• Switching regulators
• Industrial motor control systems

Single Bipolar Transistors Procurement Notes

Verify the manufacturer origin carefully, as API Technologies is listed in some databases while Microchip Technology is specified here. Confirm the exact datasheet version matches the required electrical parameters. Ensure the TO-111 package dimensions align with the mechanical design constraints of the target application board or chassis.

Single Bipolar Transistors Selection Notes

Select this component when high current handling and thermal stability are critical. The TO-111 package allows for efficient heat transfer to a chassis or large heatsink. Consider the 40 V voltage limit and 30 W power dissipation against the circuit's peak load requirements to ensure safe operating area compliance during operation.

Single Bipolar Transistors Part Context

This part belongs to the family of low-frequency silicon power transistors. It is designed for general-purpose power switching and amplification tasks where robust construction and high current capacity are required. The metal enclosure provides superior thermal performance compared to plastic packages.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative TO-111 NPN transistors by matching the 5 A current, 40 V voltage, and pinout configuration before substitution.