1N5532

Overview

The Microchip Technology 1N5532 is a low-voltage avalanche Zener diode housed in the DO-35 axial leaded package. It provides voltage regulation with a nominal breakdown voltage of 12 V and a power dissipation rating of 500 mW. The device features a maximum reverse leakage current of 50 nA and a Zener impedance of 90 Ohms at a test current of 1 mA. It operates reliably within an extended temperature range from -65 °C to +175 °C, ensuring stable performance in demanding environments.

Feature Summary

• Low-voltage avalanche Zener configuration for precise voltage regulation
• DO-35 axial through-hole package for standard mounting
• Extended operating temperature range up to 175 °C

Applications

• Voltage reference circuits
• Overvoltage protection
• General-purpose voltage regulation

Procurement Notes

Verify the specific suffix or variant against official datasheets, as availability may vary by manufacturer. Confirm RoHS compliance status and packaging options directly with authorized distributors. Ensure the selected component matches the required voltage tolerance and thermal specifications for the target application environment.

Selection Notes

Select this component for applications requiring a stable 12 V reference in compact axial packages. Consider the 500 mW power dissipation limit and the 90 Ohm impedance when designing biasing networks. Verify that the -65 °C to +175 °C temperature range meets the operational requirements of the final system.

Part Context

The 1N5532 belongs to the standard 1N55xx series of glass-passivated junction Zener diodes manufactured by Microchip Technology. This series is widely used in electronic designs for voltage clamping and reference generation. The DO-35 package offers a robust mechanical solution for through-hole PCB assembly, suitable for general industrial and commercial electronics.

Replacement Considerations

Check for direct equivalents such as the 1N5532B or other manufacturers' 1N5532 variants. Ensure replacement parts match the 12 V nominal voltage, 500 mW power rating, and DO-35 package dimensions. Verify electrical characteristics like Zener impedance and leakage current to maintain circuit performance.