T1/E1/ CEPT Quad Port Transformer
ELECTRONICS INC.
EPR1531S
• Robust construction allows IR/VP reflow processes
• 1500 Vrms Isolation •
• Operating Temperature 0°C to 70°C
•
•
Electrical Parameters @ 25° C
Primary Inductance
(mH Min.)
@ 100 KHz, 0.1 Vrms
Leakage Inductance
(µH Max.)
@ 100 KHz, 0.1 Vrms
Measure Pri. short Sec.
1.2
0.6
Interwinding Capacitance
(pF Max.)
@ 100 KHz, 0.1 Vrms
Pri. to Sec.
35
Pri.
0.7
XMIT
Sec.
1.0
Pri.
0.7
DCR
(Ω Max.)
RCV
Sec.
1.4
Turns Ratio
(± 2%)
XMIT
Pri:Sec
1: 2
RCV
Pri:Sec
1: 2
Schematic
XMIT1
40
38
37
RCV1
36
35
XMIT2
33
32
RCV2
31
XMIT3
30
28
27
RCV3
26
25
XMIT4
23
22
RCV4
21
1
3
4
5
6
8
9
10
11
13
14
15
16
18
19
20
Package
A
J
Pin 1
I.D.
N
Dim.
PCA
EPR1531S
Date Code
40
21
Q
Solder Pad Layout
1
20
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
Q
Dimensions
(Inches)
Min.
Max. Nom.
1.110
.470
.250
---
.010
---
.590
.016
.008
---
0°
.025
---
---
---
---
1.130
.490
.270
---
.015
---
.610
.022
.012
---
8°
.045
---
---
---
---
1.120
.480
.260
.950
.012
.050
.600
.019
.010
.085
---
.035
.030
.050
.090
.670
(Millimeters)
Min.
Max. Nom.
28.19
11.94
6.35
---
.254
---
14.99
.406
.203
---
0°
.635
---
---
---
---
28.70
12.45
6.86
---
.381
---
15.49
.559
.305
---
8°
1.14
---
---
---
---
28.45
12.19
6.60
24.13
.305
1.27
15.24
.483
.254
2.16
---
.889
.762
1.27
2.29
17.02
B
P
D
E
C
K
M
L
H
F
G
I
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSR1531S Rev. 3/28/00
Product performance is limited to specified parameters. Data is subject to change without prior notice.
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA [ PCA ELECTRONICS INC. ]
