ELECTRONICS INC.
T3/DS3/E3/STS-1
Interface Transformers
• Optimizied for leading Transceiver I.C.’s •
• Meets or exceeds UL1950, EN60950 & G703 Standards •
• 2000 Vrms Isolation •
• See Selection Guide for I.C. Cross Reference •
Electrical Parameters @ 25° C
Part
Number
EPR1301G*
EPR1302G
EPR1303G
EPR1304G
EPR1326G*
EPR1327G
EPR1328G
EPR1329G
Turns
Ratio
1:1
1:2CT
1:4CT
1:1.73CT
1:1
1:2CT
1:4CT
1:1.73CT
OCL
(µH Min.)
40
35
150
50
40
35
150
50
Cw/w
(pF Max.)
13
20
15
12
13
20
15
12
• * Pin 4 not connected •
LI
(µH Max.)
0.12
0.12
0.3
0.1
0.12
0.12
0.3
0.1
DCR
(Ω Max.)
1.7 / 1.7
1.0 / 1.0
1.4 / 1.4
1.0 / 1.8
1.4 / 1.2
1.4 / 1.4
1.4 / 1.4
1.2 / 1.2
Primary
Pins
1, 5 *
1, 5
1, 5
1, 5
1, 5 *
1, 5
1, 5
1, 5
Schematic
1
2
4
5
6
Package
A
J
N
Dim.
Pin 1
I.D.
PCA
EPRXXXXG
D.C.
Dimensions
Min.
(Inches)
Max. Nom.
(millimeters)
Min.
Max. Nom.
B
Q
Pad
Layout
P
D
M
C
E
K
L
G
I
F
H
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
Q
Rev. -
3/12/99
.280
.280
.230
---
.010
---
.380
.018
.008
---
0°
.035
---
---
---
---
.300
.300
.250
---
.015
---
.400
.022
.012
---
8°
.055
---
---
---
---
.290 7.11 7.62 7.37
.290 7.11 7.62 7.37
.240 5.84 6.35 6.10
.500
---
--- 12.70
.0125 .254 .381 .318
.100
---
---
2.54
.390 13.72 12.22 13.97
.020 .457 .559 .508
.010 .203 .305 .254
.085
---
---
2.16
---
0°
8°
---
.045 .635 1.14 .889
.030
---
---
.762
.100
---
---
2.54
.085
---
---
2.16
.610
---
--- 15.50
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSR1301G - CSR1329G
Product performance is limited to specified parameters. Data is subject to change without prior notice.
PCA [ PCA ELECTRONICS INC. ]
