SC-03-30J

Common Mode Chokes Overview

The KEMET SC-03-30J is a single-channel common mode choke filter designed for AC line applications. It features an inductance of 3 mH and supports a maximum DC current of 3 A with a maximum DC resistance of 110 mOhms. Rated for 250 VAC, the component operates within a temperature range of -25°C to +120°C. It utilizes vertical through-hole mounting with a four-pin configuration and measures 25.00 mm in length and 20.00 mm in width.

Common Mode Chokes Feature Summary

• Utilizes proprietary 5H, 7H, and 10H ferrite materials for effective noise suppression
• Designed for operation in frequency ranges equal to or greater than 150 kHz
• Constructed with UL 94 V-0 rated flame-retardant base and cover

Common Mode Chokes Applications

• AC line filtering
• Common mode noise suppression
• EMI/RFI mitigation in power circuits

Common Mode Chokes Procurement Notes

Verify the specific manufacturer datasheet for the SC-03-30J to confirm exact physical dimensions and electrical tolerances prior to integration. Ensure that the selected component meets all required safety certifications and thermal operating limits for the intended environment. Cross-reference pin configurations and mounting styles with PCB layout specifications to guarantee mechanical compatibility.

Common Mode Chokes Selection Notes

Select this component when high inductance values are required for low-frequency common mode noise attenuation. The 3 A current rating suits moderate power applications. Verify that the operating temperature range up to 120°C aligns with system thermal constraints. Consider the vertical through-hole form factor for board space availability and mechanical stability requirements.

Common Mode Chokes Part Context

This component belongs to the KEMET SC-J series of AC line filters. The series offers various inductance values and current ratings tailored for different EMI suppression needs. The SC-03-30J specifically provides higher inductance compared to lower-value variants in the same package family, targeting applications requiring robust noise filtering at standard mains frequencies.

Common Mode Chokes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.