1N647-1E3

Overview

The 1N647-1E3 is a lead-free small signal switching diode manufactured by Microchip Technology. It features a maximum repetitive peak reverse voltage of 400 V and a forward current rating of 400 mA. The component utilizes avalanche technology and is housed in a DO-204AH (DO-35) through-hole package. It operates within a temperature range suitable for general-purpose rectification, clipping, and steering applications.

Feature Summary

• Lead-free construction compliant with environmental standards
• Avalanche technology for robust performance
• Through-hole mounting configuration

Applications

• General purpose rectifier in power supplies
• Clipping and steering circuits
• High-performance alternative to small signal diodes

Procurement Notes

Verify the specific suffix requirements against the official datasheet to ensure compatibility with assembly processes. Confirm RoHS compliance status directly with the manufacturer or authorized distributors prior to procurement. Ensure the DO-35 package dimensions match the target PCB footprint design constraints.

Selection Notes

Select this component when a 400 V reverse voltage rating and 400 mA forward current are required in a standard axial leaded package. Consider its avalanche capability for applications requiring specific surge handling characteristics. Evaluate thermal management needs based on the specified power dissipation limits in the technical documentation.

Part Context

This part belongs to the Microchip Technology single diode family, specifically designed as a signal or computer diode. It serves as a high-performance replacement for legacy small signal diodes in various electronic circuits. The product line emphasizes reliability and compliance with modern manufacturing standards.

Replacement Considerations

Consult official substitution guides for verified equivalents. Generic replacements may not match the specific avalanche characteristics or voltage ratings.