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© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard

E5010_ESD-R-SR • 9/12/2018

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

One world. One KEMET

EMI Cores

ESD-R-SR Toroidal Cores for Round Cables for

Low Frequency at 150 kHz (Bare, coated & with case)

Benefits

• Proprietary high impedance core material for effective

noise suppression at 150kHz

• Solid construction

• Large-size ring type

• Bare, coated and with case types available

Overview

The KEMET ESD-R-SR Series solid toroidal cores are

designed for use on round cables. KEMET’s unique core

material enables high performance in low frequency

range, at 150 kHz. Options are available in bare, coated

and with case types. EMI cores are part of a family of

passive components which address the issues of noise or

electromagnetic interference (EMI) in circuits or systems

Applications

• Consumer electronics

• Air conditioners

• Power conditioners

• Refrigerators

• Washing machines

• Business multifunction printers

• Industrial equipment

• General purpose inverters

Part Number System

ESD-

R-

31

SR

-P

Series

Shape Type

Core Size

Outer Dimension Code (mm)

Core Material

Type

ESD-

Ring

See Table 1

SR = S15H

SRH = S18H

Blank = Bare

P = Coated