1N5231C

Single Zener Diodes Overview

The Fairchild Semiconductor 1N5231C is a single silicon Zener diode housed in a DO-35 axial glass package. It features a nominal Zener voltage of 5.1V with a maximum dynamic impedance of 17 Ω. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to 200°C TJ. It includes a maximum reverse leakage current of 5 µA at 2V and a forward voltage of 1.2V at 200 mA.

Single Zener Diodes Feature Summary

• Planar die construction for reliable performance
• Glass encapsulation providing environmental isolation
• Suitable for automated assembly processes

Single Zener Diodes Applications

• Voltage regulation circuits
• Voltage reference applications
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific manufacturer suffix and tolerance grade (e.g., B, C) against the original datasheet, as these affect voltage accuracy. Confirm RoHS compliance status and lead-free certification requirements for the target application environment before finalizing procurement specifications.

Single Zener Diodes Selection Notes

Select this component when a standard 5.1V reference is required in an axial through-hole package. Ensure the circuit design accommodates the 500 mW power limit and that the operating temperature range aligns with the specified -65°C to 200°C junction temperature constraints.

Single Zener Diodes Part Context

This part belongs to the 1N52xx series of low-power Zener diodes manufactured by Fairchild Semiconductor. These components are widely used in discrete semiconductor applications requiring stable voltage references or clipping functions in compact axial packages.

Single Zener Diodes Replacement Considerations

Equivalent parts include onsemi 1N5231CTR and PANJIT 1N5231C-35B. Verify pinout compatibility and thermal characteristics when substituting.