TransformingMagnetics
TM
DigitalTelecom
T1/E1 ISDN-PRI
through-hole transformers
EP7 - TH
Features
• Small size
• Separate transmit and receive devices for
layout flexibility
• Low crosstalk: good for dense layouts
• Operating temperature range: -40 to +85C
• Matched to IC manufacturers' transceivers
• 100 ohm line
Part Number
Turns Ratio
(PRISEC)
L
PR
I
@
20 C
(mH Min)
1:4
1.3
0.6
1.2
0.6
3.0
1.2
Leakage L
(uH Max.)
1.5
0.5
0.8
0.8
0.8
3.0
0.5
DCR PRI
(ohms Max.)
1.0
1.6
0.6
0.4
0.6
2.0
1.1
DCR SEC
(ohms Max.)
1.0
1.2
1.2
0.6
1.2
1.0
0.5
Schematic
671-5792
671-6599
671-5961
671-7740
671-5832
671-6304
671-6851
1CT:1CT
1:1,1
.1
6
,1
.26
1:
1.36
1:
1.41
1:1:1 OR 1:2 CT
2CT:1CT
2
1
3
6
4
2
5
2.3CT:1
2
1
5
3
4
6
1
6
1
4
2
5
2
5
3
4
6
1
1
2
6
3
5
4
6
3
2
3
1
1
2
3
4
6
5
4
6
4
11/22/05
5
Details subject to change. Contact your Midcom sales representative for additional information. Dimensions: in/mm. All tolerances are ± .010/0,25 and electrical specifications are @ 25°C unless otherwise specified.
Midcom, Inc. USA
121 Airport Drive - PO Box 1330
Watertown, SD 57201
T: 605.886.4385 ~ F: 605.886.4486
www.midcom-inc.com ~ email:sales@midcom-inc.com
Midcom, Inc. China
10/F Spectrum Tower 53 Hung to Road
Kwun Tong, Kowloon, HK
T: 852.2320.4221 ~ F: 852.2352.3272
www.midcom.com.cn ~ email:sye@midcom-inc.com
1