1N3032B-1

Overview

The Microchip Technology 1N3032B-1 is a single Zener diode with a nominal voltage of 33 V and a tolerance of ±5%. It features a maximum power dissipation of 1 W at a lead temperature of +95°C, with a derating factor of 12.5 mW/°C above this threshold. The device operates within a temperature range of -65°C to +175°C. Key electrical characteristics include a maximum reverse leakage current of 10 µA at 22.8 V and a maximum Zener impedance of 45 Ω. The forward voltage is limited to 1.2 V at a forward current of 200 mA.

Feature Summary

• Metallurgically bonded construction for enhanced reliability
• Wide operating temperature range suitable for harsh environments
• Single configuration designed for voltage regulation applications

Applications

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

Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm exact performance grades and testing standards. Ensure that the procurement channel provides valid traceability records consistent with the manufacturer's quality assurance protocols. Cross-reference the part number with the latest datasheet revisions to confirm compliance with applicable specifications before finalizing acquisition.

Selection Notes

Select this component when a stable 33 V reference is required in through-hole designs. Consider the 1 W power rating and thermal derating requirements for high-temperature operation. Verify that the ±5% tolerance meets the circuit's precision needs. Evaluate the package dimensions and mounting style compatibility with the target PCB layout constraints.

Part Context

This component belongs to the 1N3032 series of Zener diodes manufactured by Microchip Technology. These devices are available in various qualification grades, including JAN, JANTX, and JANTXV, per MIL-PRF-19500/115. The series offers metallurgically bonded constructions for robust performance in demanding electronic applications requiring precise voltage regulation.

Replacement Considerations

Consult official Microchip documentation for verified equivalent part numbers or alternative grades within the same series. Do not assume functional interchangeability with generic industry equivalents without verifying electrical parameters and physical dimensions.