Dual T3/DS3/E3/STS-1
Interface Transformer
E L E C T R O N I C S I N C .
EPR1311SE
• Optimized for leading transceiver I.C.’s
•
• 1500 Vrms Isolation (for 1 minute, 500 µA Max. Leakage Current) •
• Operating Temperature : -40°C to +85°C
• Meets or exceeds UL1459 & UL1450 Requirements
• Transmit and Receive Transformers in one SMD Package •
•
•
• Return Loss meets requirements of G.703
•
Electrical Parameters @ 25° C
Primary
Interwinding
Capacitance
(pF Max.)
Leakage
Inductance
(nH Max.)
DCR
Inductance
(Ω Max.)
(µH Min.)
@ 100 KHz,
@ 100 KHz,
@ 1 MHz,
0.1 Vrms
1 Vrms
0.1 Vrms
40*
Pins 16-14
100**
Pins 11-9
10
100
110
0.40
0.40
Pri. to each
Pins 16-14 w/
Pins 11-9 w/
Pins 16-14
Pins 1-2 or
Sec. shorted
1-2-3 shorted
6-8 shorted
or 11-9
2-3 or 6-8
•
Characteristic Impedance : 75 Ω
•
* 19 µH Min. @ -40·C
•
**40 µH Min. @ -40°C
•
Schematic
1
2
6
8
16
14
11
9
1:1
3
2CT:1
Package
Dimensions
(Inches)
Max. Nom. Min.
(millimeters)
Min.
Nom.
Dim.
Max.
A
J
Marking :
A
B
C
D
E
F
G
H
I
.480 .500 .490 12.19 12.70 12.45
.260 .280 .270 6.60 7.11 6.86
.180 .200 .190 4.57 5.08 4.83
.345 .355 .350 8.76 9.02 8.89
.010 .015 .013 .254 .381 .330
N
PCA
EPR1311SE
Date Code
Pad
B
Q
Layout
P
---
---
.050
---
---
1.27
Pin 1
I.D.
.355 .375 .365 9.02 9.53 9.27
.017 .022 .020 .432 .559 .508
.008 .013 .011 .203 .330 .279
.065 .075 .070 1.65 1.91 1.78
D
M
J
K
L
E
K
0°
8°
4°
0°
8°
4°
C
.025 .045 .035 .635 1.14 .889
M
N
P
Q
---
---
---
---
---
---
---
---
.030
.050
.092
.460
---
---
---
---
---
---
---
.762
1.27
2.34
L
I
H
F
G
--- 11.68
CSR1311SE Rev. - 7/2/01
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
Product performance is limited to specified parameters. Data is subject to change without prior notice.