AR4PM-M3/87A

Overview

The AR4PM-M3/87A is a fast switching avalanche surface-mount rectifier manufactured by Vishay General Semiconductor. It features a single diode configuration housed in an SMPC (TO-277A) package. The device supports a maximum repetitive peak reverse voltage of 1000 V and a maximum DC forward current of 4.0 A. Key electrical characteristics include a typical reverse recovery time of 79 ns, a maximum reverse recovery time of 120 ns, and a non-repetitive avalanche energy rating of 20 mJ at an IAS of 2.5 A. The component operates within a junction temperature range of -55 °C to +175 °C.

Feature Summary

• Fast reverse recovery time suitable for high-frequency applications
• Controlled avalanche characteristics with defined energy ratings
• Glass passivated pellet chip junction for reliability
• Halogen-free and RoHS-compliant commercial grade construction

Applications

• Lighting systems
• Fast switching rectification of power supplies
• Inverters and converters
• Freewheeling diodes for consumer electronics
• Automotive and telecommunication equipment

Procurement Notes

Verify the specific ordering code suffix against the manufacturer's official documentation to confirm packaging quantity and reel diameter specifications. Ensure that the selected variant meets the required environmental compliance standards, such as halogen-free status and RoHS directives, for your intended manufacturing process. Cross-reference the base part number with any automotive qualification requirements if applicable to your design.

Selection Notes

Select this component for designs requiring high-speed rectification with avalanche capability. The 1000 V rating provides robust protection against voltage transients. Consider the thermal resistance values when designing heat dissipation strategies for high ambient temperatures. Verify that the PCB pad layout conforms to the recommended dimensions specified in the mechanical data section to ensure proper solderability and mechanical stability.

Part Context

This component belongs to the eSMP series of surface-mount rectifiers from Vishay. It utilizes the SMPC (TO-277A) package, which offers a low profile ideal for automated placement. The M3 suffix indicates lead-free terminals that meet JESD 201 class 2 whisker test requirements. The /87A suffix specifically denotes delivery in a 13-inch diameter plastic tape and reel format with a base quantity of 6500 units.

Replacement Considerations

AR4PK-M3/87A

FAQ

What is the maximum non-repetitive avalanche energy rating?

The maximum non-repetitive avalanche energy is rated at 20 mJ when tested with a current of 2.5 A at a junction temperature of 25 °C.

Does this component meet automotive qualification standards?

The standard AR4PM-M3/87A is a commercial grade product. Automotive qualification under AEC-Q101 is available for variants with the HM3 suffix, such as AR4PMHM3_A/H.

What is the typical reverse recovery time?

The typical reverse recovery time is 79 ns, with a maximum specified limit of 120 ns under standard test conditions.