2N5039

Single Bipolar Transistors Overview

The Microchip Technology 2N5039 is a high-current, high-power silicon NPN planar transistor designed for through-hole mounting in TO-204AA (TO-3) packages. It features a collector-emitter sustaining voltage of 75 V and supports a maximum continuous collector current of 20 A with a power dissipation rating of 140 W. The device exhibits a transition frequency of 60 MHz and operates within a junction temperature range of -65°C to +200°C. Thermal resistance from junction to case is specified at 1.25°C/W.

Single Bipolar Transistors Feature Summary

• High-power capability with 140 W dissipation rating
• High-speed operation with 60 MHz transition frequency
• Robust mechanical construction via flange mount TO-3 package

Single Bipolar Transistors Applications

• High-current switching applications
• Power amplifier circuits
• Industrial control systems

Single Bipolar Transistors Procurement Notes

Verify component authenticity and datasheet revisions upon procurement. Confirm that the specific lot matches the required thermal and electrical specifications. Note that availability may be limited as this part number is classified as obsolete by some distributors; ensure substitute compatibility if direct supply is unavailable.

Single Bipolar Transistors Selection Notes

Select the 2N5039 when high collector current and power handling are required alongside moderate switching speeds. Ensure the application circuit can accommodate the TO-3 package size and thermal management needs. Verify that the 75 V breakdown voltage aligns with the system's peak operating requirements.

Single Bipolar Transistors Part Context

The 2N5039 belongs to the family of high-power silicon NPN transistors originally developed for robust industrial and military applications. It shares design similarities with the 2N5038 but differs in specific voltage ratings. The TO-3 metal can package provides superior heat dissipation compared to plastic alternatives, making it suitable for demanding environments.

Single Bipolar Transistors Replacement Considerations

Microchip Technology lists the 2N5039 as a direct substitute for itself. Cross-reference with other manufacturers' equivalents such as those from Central Semiconductor or Inchange Semiconductor, ensuring pinout and thermal characteristics match.