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EPR1261G Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – ISDN-S Interface Dual Transformers
ELECTRONICS INC.
ISDN-S Interface Dual Transformers
EPR1261G
• Optimized for Leading Transceiver I.C.’s •
• Meets CCITT 1.430 Four Wire “S” Interface •
• Meets or exceeds UL1459, UL1950 Standards •
• 1500 Vrms Isolation (1 Minute) •
OCL
(mH Min.)
@ 10 KHz, 1 Vrms
20
Pins 1-3
Pins 6-8
Cw/w
(pF Max.)
@ 100 KHz, .02 Vrms
130
Pins 1-3 to 16-14
Pins 6-8 to 11-9
Electrical Parameters @ 25° C
Leakage
Inductance
(µH Max.)
Turns
Ratio
@ 100 KHz, .02 Vrms
5
1:2CT
---
Pins 1-3 w/ 16-14 shorted
---
Pins 6-8 w/ 11-9 shorted
Schematic
16 15 14 13 12 11 10 9
Secondary
(Chip Side)
Pri. DCR
(Ω Max.)
2.65
---
---
Sec. DCR
(Ω Max.)
5
---
---
Primary
(Line Side)
1 2 345 6 7 8
Primary
Pins
1,3/6,8
---
---
A
J
Pin 1
I.D.
PCA
EPR1261G
D.C.
D
Package
N
B
Q
Solder Pad P
Layout
M
C
E
K
H
F
L
I
G
Dimensions
(Inches)
(millimeters)
Dim. Min. Max. Nom. Min. Max. Nom.
A .930 .950 .940 23.62 24.14 23.88
B .570 .590 .580 14.48 14.99 14.73
C .385 .405 .395 9.78 10.29 10.03
D --- --- .700 --- --- 17.78
E .005 .015 .010 .127 .381 .254
F --- --- .100 --- --- 2.54
G .725 .745 .735 18.41 18.92 18.67
H .018 .022 .020 .457 .559 .508
I .008 .012 .010 .203 .305 .254
J --- --- .120 --- --- 3.05
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 --- --- .780 --- --- 19.81
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSR1261G Rev. 1 5/3/05 JDG
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