P409QM473M275AH470

Overview

The KEMET P409QM473M275AH470 is a metallized paper film capacitor designed for X2 EMI suppression applications. It features a capacitance of 47 nF with a ±20% tolerance and a rated AC voltage of 275 VAC, alongside a DC rating of 275 VDC. The component utilizes radial through-hole termination with a 15.2 mm lead pitch and 0.8 mm lead diameter. Its physical dimensions are 18.5 mm in length, 7.3 mm in depth, and 13 mm in height. It operates within a temperature range of -40°C to +85°C and holds certifications including UL 60384-14, EN/IEC 60384-14, and CAN/CSA-E60384-14-09.

Feature Summary

• X2 safety class construction for mains connection across isolation barriers
• Metallized paper dielectric optimized for high pulse current handling
• Compliant with international safety standards for electronic equipment

Applications

• EMI suppression in switch-mode power supplies
• Line filtering in household appliances
• Industrial control unit input stages

Procurement Notes

Verify the specific suffix AH470 against official KEMET documentation to confirm lead pitch and dimensional tolerances. Ensure the procurement channel provides valid UL and IEC certification records. Confirm RoHS compliance status matches current regulatory requirements before finalizing orders.

Selection Notes

Select this component when X2 safety certification is mandatory for mains interfacing. The metallized paper construction offers robust performance under high surge conditions compared to standard polypropylene types. Verify that the 15.2 mm lead spacing aligns with the target PCB layout constraints.

Part Context

This part belongs to the KEMET P409 series, which specializes in X2 suppressed capacitors using metallized paper technology. The series is engineered for reliability in demanding electromagnetic interference environments where safety isolation between primary and secondary circuits is required.

Replacement Considerations

Cross-reference with other P409 series variants such as P409EL474M275AH330 for different capacitance values. Ensure any substitute maintains the same X2 safety rating and physical footprint compatibility.