#A921CY-820M=P3

Overview

The #A921CY-820M=P3 is a shielded wirewound power inductor from Murata Electronics, designed for surface-mount applications. It features an 82 µH nominal inductance with a ±20% tolerance. The component supports a maximum DC current of 640 mA and exhibits a maximum DC resistance of 396 mΩ. Its saturation current is rated at 770 mA. The device operates within a temperature range of -40°C to +85°C and utilizes a ferrite core material.

Feature Summary

• Shielded wirewound construction minimizes electromagnetic interference
• Ferrite core design ensures stable inductance characteristics
• Surface-mount package facilitates automated PCB assembly

Applications

• Power supply filtering circuits
• DC-DC converter input/output stages
• Signal line chokes in electronic equipment

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance and specific packaging requirements before ordering. Check for valid replacement alternatives as original stock may be limited or discontinued by the manufacturer.

Selection Notes

Select this component when a compact shielded inductor with moderate current handling is required. Ensure the 640 mA continuous current rating meets circuit demands. Verify that the 396 mΩ DC resistance aligns with efficiency targets. Confirm compatibility with standard surface-mount reflow processes.

Part Context

This part belongs to Murata's fixed inductor portfolio, specifically the A921CY series. These components are engineered for general-purpose power electronics. The =P3 suffix denotes specific packaging or tape-and-reel configuration details defined by Murata for distribution.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Murata technical support for validated cross-reference options given the product's end-of-life status.