2N5252

Overview

The Microchip Technology 2N5252 is a single NPN bipolar junction transistor designed for high-voltage applications. It features a collector-emitter breakdown voltage of 300V and a maximum continuous collector current of 1A. The device utilizes a hermetically sealed TO-5AA metal package, ensuring reliability in demanding environments. Key electrical characteristics include a transition frequency of 30 MHz and a DC current gain optimized for switching and amplification tasks. This component serves as a robust discrete semiconductor solution for power control circuits requiring high voltage tolerance.

Feature Summary

• Hermetically sealed metal package construction for environmental protection
• High voltage capability with 300V collector-emitter breakdown rating
• Suitable for high-frequency switching operations up to 30 MHz

Applications

• High-voltage switching circuits
• Power supply regulation stages
• Industrial control systems

Procurement Notes

Verify the specific manufacturer source when ordering, as the 2N5252 designation is utilized by multiple vendors including Microchip Technology and Semelab. Confirm that the received component matches the required TO-5AA or equivalent hermetic metal package specifications. Ensure compliance with project requirements regarding lead-free status if applicable, noting that historical production may vary in material composition. Cross-reference datasheets from the specific supplier to confirm pinout and absolute maximum ratings before integration.

Selection Notes

Select this component when a hermetically sealed NPN transistor with a 300V rating is required. It is appropriate for designs needing reliable performance in harsh environments due to its metal can construction. Consider the 1A current limit and 30 MHz frequency response to ensure compatibility with the circuit's power and speed demands. Evaluate thermal management needs based on the package's heat dissipation capabilities.

Part Context

The 2N5252 belongs to the family of standard military-grade and industrial NPN transistors. It is commonly found in legacy aerospace and defense electronics where radiation hardness and vacuum sealing are critical. Microchip Technology continues to support this part number for maintenance of existing high-reliability systems. The device represents a classic discrete solution before the widespread adoption of surface-mount high-voltage alternatives.

Replacement Considerations

Public confirmed substitute part numbers are not explicitly listed in the provided documentation. Verify cross-reference data with specific distributors such as Microchip or Semelab for direct equivalents like the 2N5252A if available.