P409CE104M275AH680

Overview

The KEMET P409CE104M275AH680 is a metallized paper film capacitor from the P409 series, designed for X2 EMI suppression. It features a capacitance of 100 nF with a ±20% tolerance and a rated AC voltage of 275 VAC (630 VDC). The component utilizes a radial through-hole mounting configuration with a 20.3 mm lead pitch and straight leads. Constructed with self-extinguishing encapsulation, it operates within a temperature range of -40°C to +85°C. Key certifications include EN/IEC 60384-14, UL 60384-14, and CAN/CSA-E60384-14-09.

Feature Summary

• Integrates a 68 Ohm resistor in series with the capacitor to form an RC snubber network for effective noise suppression.
• Utilizes metallized paper dielectric encapsulated in self-extinguishing material for enhanced fire safety.
• Complies with international safety standards for X2 class interference suppression capacitors.

Applications

• EMI filtering in mains-powered electronic equipment
• RC snubber circuits for switching transient suppression
• Power supply input stages requiring X2 safety certification

Procurement Notes

Verify the specific suffix AH680 confirms the integrated 68 Ohm resistance value, as standard P409 capacitors may lack this feature. Ensure the 20.3 mm lead pitch matches the target PCB footprint. Confirm RoHS compliance status via the manufacturer's current documentation before integration.

Selection Notes

Select this component when an integrated RC snubber is required for EMI reduction without additional discrete resistors. The X2 rating ensures safety for cross-line applications across AC mains. Verify that the 275 VAC rating aligns with the local line voltage and that the operating temperature range suits the enclosure environment.

Part Context

This part belongs to the KEMET P409 series of metallized paper capacitors. The series is specifically engineered for EMI suppression applications where high reliability and safety certifications are mandatory. The designation indicates a fixed capacitance with an integrated series resistor, distinguishing it from standard passive capacitors in the same family.

Replacement Considerations

Direct substitutes must match the 100 nF capacitance, 275 VAC rating, 20.3 mm pitch, and the integrated 68 Ohm resistance. Generic X2 capacitors without the internal resistor will not provide the same snubbing performance. Verify equivalent safety approvals (UL, EN) for cross-referencing.