DSS1NB32A221Q91A

Overview

The Murata DSS1NB32A221Q91A is a three-terminal feed-through capacitor from the EMIFIL DSS series. It features a capacitance of 220 pF with a tolerance of ±10% and a DC voltage rating of 100 V. The component supports a maximum current of 6 A and operates within a temperature range of -40°C to +85°C. Its physical dimensions are 8.5 mm in length, 7.5 mm in height, and 3.5 mm in width. The unit utilizes radial leads for through-hole mounting and has an insulation resistance of 50 MOhms.

Feature Summary

• LC T-type third-order low-pass filter configuration for effective EMI/RFI suppression
• Three-terminal feed-through design providing superior high-frequency noise attenuation
• High current handling capability suitable for power line filtering applications

Applications

• EMI/RFI noise suppression in electronic circuits
• Power supply input filtering
• Signal line protection against electromagnetic interference

Procurement Notes

Verify the specific suffix Q91A to confirm the ammo pack packaging format. Confirm the 220 pF capacitance value matches the target circuit requirements. Check for End-of-Life status as indicated by some distributors. Ensure the 6 A current rating and 100 VDC voltage rating align with the system's operational limits before procurement.

Selection Notes

Select this component when a compact, high-performance third-order LC filter is required for through-hole assembly. The small form factor allows for dense PCB layouts. Consider the 6 A current rating for power lines and the 100 VDC rating for general electronics. Verify that the radial lead spacing fits the board design constraints.

Part Context

This part belongs to Murata's EMIFIL DSS series of small-type, three-terminal feed-through capacitors. These components are designed to replace traditional two-terminal capacitors by offering lower impedance paths for high-frequency noise. The series is known for its robust construction and reliable performance in demanding EMI suppression environments.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing footprints if considering alternative manufacturers.