SSRH7H-M11081

Overview

The KEMET SSRH7H-M11081 is a through-hole common mode choke designed for AC line filtering applications. It features an inductance of 8.1 mH at a test frequency of 10 kHz and supports a maximum DC current of 1.1 A. The component exhibits a maximum DC resistance of 270 mOhms and withstands voltages up to 250 VAC. Constructed with proprietary S18H high-permeability ferrite, it offers high impedance across wide frequencies. The unit measures 18 mm in length, 14.5 mm in width, and 12 mm in height, operating within a temperature range of -25 °C to +120 °C.

Feature Summary

• Utilizes proprietary S18H high-permeability ferrite core material for enhanced magnetic performance
• Provides high impedance characteristics across a broad frequency spectrum due to split bobbin design
• Features a compact 12 mm low-profile form factor suitable for space-constrained PCB layouts

Applications

• Audio-visual equipment noise suppression
• Office automation device power line filtering
• Digital equipment EMI reduction
• Compact switching power supply input stages

Procurement Notes

Verify the manufacturer part number against official KEMET documentation to ensure authenticity. Confirm that the specific variant matches the required electrical parameters, particularly the 8.1 mH inductance and 1.1 A current rating. Check for RoHS compliance status as indicated in the datasheet. Ensure the through-hole package dimensions align with the target PCB footprint before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring effective common mode noise attenuation for low-current AC lines. The 1.1 A rating suits general-purpose digital and office equipment rather than high-power industrial loads. Consider the 12 mm height constraint during mechanical assembly planning. The S18H ferrite material ensures stable performance across the specified -25 °C to +120 °C operating range without significant inductance degradation.

Part Context

This component belongs to the KEMET SSRH7H-M series of common mode chokes. The series is characterized by its use of specialized high-permeability ferrite materials and split bobbin construction. These design elements collectively deliver superior high-frequency impedance compared to standard cores. The series targets applications where small physical size and efficient noise filtering are critical priorities for system designers.

FAQ

What is the test frequency for the 8.1 mH inductance specification?

The inductance value of 8.1 mH is measured at a test frequency of 10 kHz.

Does the SSRH7H-M11081 support automotive standards?

No, this component is not certified for automotive standards and is intended for commercial and industrial electronics.