2N6649

Single Bipolar Transistors Overview

The Microchip Technology 2N6649 is a PNP power bipolar junction transistor (BJT) configured as a Darlington pair. It is designed for through-hole mounting in the TO-204AA-2 package, also known as TO-5. The device supports a maximum collector-emitter voltage of 60 V and handles a continuous DC collector current of 10 A. With a power dissipation rating of 5 W, it operates within a junction temperature range of -65°C to +175°C.

Single Bipolar Transistors Feature Summary

• High current gain capability inherent to the Darlington configuration
• Robust thermal performance suitable for high-temperature environments up to 175°C
• Military-grade construction ensuring reliability under extreme conditions

Single Bipolar Transistors Applications

• High-power switching applications requiring substantial load current handling
• Linear amplifier stages utilizing Darlington topology for high gain
• Industrial control systems operating in harsh thermal environments

Single Bipolar Transistors Procurement Notes

Verify the specific revision level and lot traceability when procuring this component, as military-grade parts often require strict adherence to MIL-PRF specifications. Confirm that the TO-204AA-2 package dimensions match your mechanical constraints. Ensure that the supplier provides appropriate documentation regarding material composition and manufacturing origin to meet compliance requirements.

Single Bipolar Transistors Selection Notes

Select the 2N6649 when a single PNP transistor cannot provide sufficient current gain or output current for the application. Its 10 A rating and 60 V breakdown voltage make it suitable for moderate-voltage, high-current loads. Consider the thermal management requirements associated with its 5 W power dissipation rating in the TO-204AA-2 package during circuit design.

Single Bipolar Transistors Part Context

This component belongs to Microchip's portfolio of discrete semiconductors, specifically power transistors. It is part of the broader family of PNP Darlington transistors offered by the manufacturer. These devices are typically utilized in applications demanding high reliability and robust performance characteristics beyond standard commercial grade components.

Single Bipolar Transistors Replacement Considerations

Consult official Microchip documentation for qualified equivalents. Cross-referencing with other manufacturers requires careful verification of pinout compatibility, voltage ratings, and thermal characteristics to ensure functional parity without compromising system reliability.