AR1FJ-M3/I

Overview

The AR1FJ-M3/I is a surface-mount fast avalanche rectifier manufactured by Vishay General Semiconductor - Diodes Division. It features a glass passivated pellet chip junction and is housed in an SMF (DO-219AB) package compatible with SOD-123W outlines. The device supports a maximum repetitive peak reverse voltage of 600 V and a DC forward current of 1.0 A. Key electrical characteristics include a maximum reverse recovery time of 140 ns, a typical junction capacitance of 12.6 pF at 4.0 V and 1 MHz, and a non-repetitive avalanche energy rating of 20 mJ at IAS = 1.0 A. It operates within a temperature range of -55 °C to +175 °C.

Feature Summary

• Fast switching capability designed for high-frequency applications
• Avalanche rated for robust performance under transient conditions
• Glass passivated junction ensures long-term reliability
• Low profile package suitable for automated placement

Applications

• General purpose rectification in power supplies
• Inverter circuits
• Converter topologies
• Freewheeling diodes for consumer electronics
• Automotive electronic systems
• Telecommunication equipment

Procurement Notes

Verify the specific ordering code suffix against the manufacturer's documentation to confirm packaging details. The 'I' suffix indicates a 10,000-unit quantity on a 13-inch diameter plastic tape and reel. Confirm RoHS compliance and halogen-free status as specified for the M3 variant. Ensure the application environment remains within the stated thermal limits and that the component meets the required automotive qualification standards if applicable.

Selection Notes

Select this component when a single-diode configuration with avalanche capability is required in a compact surface-mount form factor. The 600 V rating suits medium-voltage AC/DC conversion tasks. Consider the 140 ns reverse recovery time for efficiency in high-frequency switching environments. Verify PCB footprint compatibility with the DO-219AB outline and ensure thermal management aligns with the specified junction-to-ambient resistance values.

Part Context

This part belongs to the eSMP series of Surface-Mount Fast Avalanche Rectifiers from Vishay. It shares the SMF package with other variants in the family, such as AR1FD, AR1FG, AR1FK, and AR1FM, which differ primarily in their voltage ratings. The AR1FJ specifically targets the 600 V market segment within this lineup.

Replacement Considerations

Direct substitutes within the same Vishay family include AR1FJ-M3/H, which offers identical electrical specifications but differs in packaging quantity and reel size. Cross-brand replacements must match the 600 V reverse voltage, 1 A forward current, and DO-219AB package dimensions while verifying avalanche energy ratings.