E L E C T R O N I C S I N C .
T1/E1 and ISDN-PRI Transformer
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
• UL94V-0 Recognized Materials
• UL1446 Class B Insulating System
• Operating Temperature : 0°C to +70°C
• Surface Mount Package
• 1500 Vrms Isolation
EPA4027S
Product performance is limited to specified parameters. Data is subject to chan
g
e without prior notice.
Electrical Parameters @ 25°C
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
CSA4027S Rev. - 1/26/05 FT
Schematics
Package
.365
(9.27)
0°-8°
.035
(.889)
.008/.012
(.203/.305)
Solder Pad
Layout
.405
(10.29)
.050
(1.27)
.030
(.762)
.085
(2.16)
.190
(4.82)
.050
(1.27)
.018/.022
(.457/.559)
.005/.010
(.127/.254)
PCA
EPA4027S
D.C.
.490
(12.45)
.270
(6.86)
.070
(1.78)
.350
(8.89)
Pin 1
I.D.
1
2
3
7
616
14
11
10
98
15
2CT:1CT 1CT:1.36CT
Primary Inductance
(mH Typ.)
Interwinding Capacitance
(pF Max.)
Leakage Inductance
(µH Max.)
DCR
(Ω Max.)
Pins 6-8
1.2
A
30
B
300.4
A
Pri.
B
0.4
Pri.
0.7
A
Pri.
0.7
B
1.2
Pins 16-14
Sec. Pri. Sec.Pri.
AB
Crosstalk
(dB Typ.)
-60
0.1-10 MHz
