T1/ CEPT/ ISDN-PRI Transformer
EPA3457G
E L E C T R O N I C S I N C .
• Optimized for Brooktree B8360 & B8370 •
Crystal CS6152, Dallas D52154L and Exar T5684
• Operating Temparture -40°C to 85°C •
• 1500 Vrms Isolation •
Electrical Parameters @ 25° C
Primary Inductance
(1 mH Min. @ -40°C)
Interwinding
Capacitance
Leakage
Inductance
DCR
(Ω Max.)
@ 100 KHz,
0.1 Vrms
@ 100 KHz,
0.1 Vrms
@ 100 KHz,
0.1 Vrms
T1
T2
T1
60 pF Max.
T2
T1
T2
T1
T2
1.6 mH Min.
Pins 12-10
1.6 mH Min.
Pins 4-6
1.7
Pins 12-10
2.0
Pins 1-3
1.7
1.7
55 pF Max.
1.0 µH Max.
Pins 12-10
0.8 µH Max.
Pins 4-6
Pins 4-6 Pins 9-7
•
Crosstalk : -50 dB Typ. @ 100 KHz to 10 MHz •
Schematic
T2
T1
1CT:2CT
1:1.36CT
12
1
4
6
9
Pri
Sec
11
10
2
3
Pri
Sec
8
7
Package
A
J
Dimensions
(Inches)
(Millimeters)
Min. Max. Nom.
N
Dim. Min.
Max. Nom.
Pin 1
I.D.
A
B
C
D
E
F
G
H
I
.660
.430
.320
.---
.010
---
.680 .670
.450 .440
.340 .330
16.76 17.27
10.92 11.43
17.02
11.18
8.39
12.70
---
2.54
13.97
.508
.254
2.16
---
.889
.762
2.54
2.16
15.50
PCA
EPA3457G
D.C.
Pad
Q
B
E
P
Layout
8.13
---
8.64
---
---
.015
---
.500
---
.254
---
.381
---
.100
M
D
.540
---
.560 .550
13.72 14.22
---
---
---
8°
.020
.010
.085
---
---
---
---
---
---
J
---
---
---
I
K
L
M
N
P
Q
0°
0°
8°
K
C
.025
---
.045 .035
.635
---
1.14
---
---
---
---
---
.030
.100
.085
.610
---
---
---
---
---
---
H
F
L
---
---
---
G
CSA3457G Rev. 2 10/29/98
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.