EPA3557S Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – T1/E1/ CEPT Quad Port Transformer

ELECTRONICS INC.
T1/E1/ CEPT Quad Port Transformer
EPA3557S
• 4 Transmit, 4 Receive Quad Port surface mount Transformer •
• 1500 Vrms Isolation •
• Operating Temperature -0°C to 70°C •
Primary Inductance
(mH Min.)
Leakage Inductance
(µH Max.)
Electrical Parameters @ 25° C
Interwinding Capacitance
(pF Max.)
DCR
(Ω Max.)
@ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms
@ 100 KHz, 0.1 Vrms
1.2
1.0
25
TX
Pri.
Sec.
0.9
1.3
RX
Pri.
Sec.
0.9
1.3
Turns Ratio
(± 3%)
TX
Pri.:Sec.
1CT : 2
RX
Pri.:Sec.
1:2 CT
Schematic
TX1
RX1
TX2
RX2
TX3
RX3
TX4
RX4
Sec.
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
Pri.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Pin 1
I.D.
A
J
PCA
EPA3557S
Date Code
Package
N
40
21
B
Q ^{Solder Pad Layout}
P
1
20
C
H
D
E
F
M
K
L
I
G
Dimensions
(Inches)
(Millimeters)
Dim. Min. Max. Nom. Min. Max. Nom.
A 1.110 1.130 1.120 28.19 28.70 28.45
B .470 .490 .480 11.94 12.45 12.19
C .250 .270 .260 6.35 6.86 6.60
D
---
--- .950 ---
--- 24.13
E .010 .015 .012 .254 .381 .305
F
---
--- .050 ---
--- 1.27
G .590 .610 .600 14.99 15.49 15.24
H .016 .022 .019 .406 .559 .483
I
.008 .012 .010 .203 .305 .254
J
---
--- .085 ---
--- 2.16
K
0°
8°
---
0°
8°
---
L .025 .045 .035 .635 1.14 .889
M
---
--- .030 ---
--- .762
N
---
--- .050 ---
--- 1.27
P
---
--- .090 ---
--- 2.29
Q
---
--- .670 ---
--- 17.02
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSA3557S Rev. 4 2/10/99
Product performance is limited to specified parameters. Data is subject to change without prior notice.
TEL: [phone]
FAX: [phone]
http://www.pca.com