ISDN “S” Interface Isolation Transformers
ELECTRONICS INC.
EPA1155-X
• UL1459 Approved, File #132261
• Meets CCITT 1.430 Four Wire “S” Interface
• Single Low Profile Packages
• Hipot : 2000 Vrms
Electrical Parameters @ 25° C
PCA
Part
Number
EPA1155-1
I.C.
Manufacturer
Part Number
Motorola MC145174
Motorola MC145175
National TP3420
SGS 5420
Intel 29C53
Mitel MT8930
National TP3420
Siemens PEB2080
SGS 5420
Intel 29C53
---
---
Function
OCL
(mH Min.)
22
Interwinding
Capacitance
(pF Max.)
100
Leakage
Inductance
(µH Max.)
5
Turns
Ratio
(± 5%)
1:1
DCR
(Ω Max.)
2.50
2.50
Package &
Schematic
A
EPA1155-2
EPA1155-3
EPA1155-4
EPA1155-5
EPA1155-12
Xmit & Rvc
Xmit & Rvc
Rvc
Rvc
Xmit & Rvc
Xmit & Rvc
Xmit
Xmit & Rvc
Rvc
Rcv
---
---
22
22
100
100
5
8
1:1.8
1:2
2.50
2.50
4.50
5.00
B
A
22
22
22
100
100
100
12
30
11
1:2.5
1:2
1:2
2.50
2.50
2.50
6.00
5.00
5.00
B
A
A
• Longitudinal Balance :
-60 dB Min. @ 10 KHz - 300 KHz •
Schematic A
1
2
3
6
1
5
2
4
3
Schematic B
7
6
5
4
Package A
Marking :
PCA
2
EPA1155-X
3
D.C.
1
6
5
4
Package B
Marking :
PCA
2
EPA1155-X
3
D.C.
1
7
6
4
.550
(14.22)
.550
(14.22)
5
.550
(14.22)
.025/.035
(.635/.889)
.390
(9.91)
.025/.035
(.635/.889)
.550
(14.22)
.390
(9.91)
.017/.022
(.432/584)
.400
(10.16)
.115/.125
(2.92/3.18)
.017/.022
(.432/584)
.400
(10.16)
.115/.125
(2.92/3.18)
.100 (2.54)
.200 (5.08)
.200 (5.08)
.400
(10.16)
Bottom View
.200 (5.08)
Bottom View
.100 (2.54)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSA1155-XS Rev. 2
7/21/03
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com