EPR1270G Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – ISDN-S Interface Dual Transformers

ELECTRONICS INC.
ISDN-S Interface Dual Transformers
EPR1270G
• Optimizied for Leading Transceiver I.C.’s •
• Meets or exceeds UL1459, UL1950 & EN60950 Standards •
• 1500 Vrms Isolation (for 1 minute) •
Turns
Ratio
1:2CT / 1:2CT
OCL
(mH Min.)
20 / 20
Cw/w
(pF Max.)
130 / 130
Electrical Parameters @ 25° C
LI
(µH Max.)
Pri. DCR
(Ω Max.)
Sec. DCR
(Ω Max.)
5/5
2.8 / 2.8
5.6 / 5.6
Primary
Pins
1,3 / 4,6
Crosstalk
(dB Typ.)
-60
@ 0.1 MHz - 5 MHz
Schematic
A
B
12 11 10 9 8 7
Secondary
(Chip Side)
Primary
(Line Side)
1
34
6
Package
A
J
Pin 1
I.D.
PCA
EPR1270G
B
D.C.
D
N
Pad
Q Layout P
M
C
E
K
H
F
L
I
G
Dimensions
(Inches)
(millimeters)
Dim. Min. Max. Nom. Min. Max. Nom.
A .660 .680 .670 16.76 17.27 17.02
B .430 .450 .440 10.92 11.43 11.18
C .320 .340 .330 8.13 8.64 8.39
D --- --- .500 --- --- 12.70
E .010 .015 .012 .254 .381 .305
F --- --- .100 --- --- 2.54
G .540 .560 .550 13.72 14.22 13.97
H .018 .022 .020 .457 .559 .508
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 --- --- .100 --- --- 2.54
P --- --- .085 --- --- 2.16
Q --- --- .610 --- --- 15.50
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSR1270G Rev. - 7/9/01
Product performance is limited to specified parameters. Data is subject to change without prior notice.
TEL: [phone]
FAX: [phone]
http://www.pca.com