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© Coilcraft Inc. 2013

This product may not be used in medical or high

risk applications without prior Coilcraft approval.

Specification subject to change without notice.

Please check web site for latest information.

Modular Jack EMI Filters

Document 154

Document 154 Revised 11/10/08

Eliminating common mode EMI from telephone lines and

LANs can be done quickly and easily with these plug-in

filter modules.

One, two, and four line (two, four and eight wire) versions

are available with RJ11, RJ14, or RJ45 standard termina-

tions. They’re designed to help meet FCC Part 15 and 68

as well as European CCITT and CISPR-22 requirements.

Part

A

B

C

C

number Lines

max

max

min

max

TRF-RJ11

1

0.68/17,2

0.84/21,3

4.54/115,3 5.54/140,7

TRF-RJ14

2

0.68/17,2

0.84/21,3

4.54/115,3 5.54/140,7

TRF-RJ45-8

4

0.89/22,6

0.83/21,1

4.26/108,2 5.26/133,6

1. Measured on an Agilent/HP 8753D network analyzer. Ref 50 Ohms.

2. Operating temperature range –40°C to +85°C.

3. Electrical specifications at 25°C.

A

BC

40

30

20

10

0

-10

0.1

110

100

1000

Frequency (MHz)

Differential Mode

This product is not RoHS-compliant. Contact Coilcraft

for current status or possible alternatives.