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© Coilcraft, Inc. 2009
Specifications subject to change without notice.
Please check our website 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 termi-
nations. They’re designed to help meet FCC Part 15 and
68 as well as European CCITT and CISPR-22 require-
ments.
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
Typical Attenuation1
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
1
10
100
1000
Frequency (MHz)
Differential Mode
This product is not RoHS-compliant. Contact Coilcraft
for current status or possible alternatives.
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