T1/E1 and ISDN-PRI Transformer
E L E C T R O N I C S I N C .
EPA4027S
• UL94V-0 Recognized Materials
• UL1446 Class B Insulating System
• Operating Temperature : 0°C to +70°C
• Surface Mount Package
• 1500 Vrms Isolation
Electrical Parameters @ 25°C
DCR
Crosstalk
Primary Inductance
(mH Typ.)
Leakage Inductance
Interwinding Capacitance
(Ω Max.)
(dB Typ.)
(µH Max.)
(pF Max.)
Pri.
Pri.
A
Pri.
B
0.1-10 MHz
-60
Pins 16-14
1.2
Pins 6-8
1.2
A
0.4
B
A
B
0.4
30
30
0.7
0.7
Schematics
A
B
Sec.
1
Pri.
16
Pri.
6
Sec.
11
2CT:1CT
1CT:1.36CT
2
3
15
14
7
8
10
9
Package
.490
(12.45)
.085
(2.16)
.070
.050
(1.78)
(1.27)
PCA
EPA4027S
D.C.
.270
.405
Solder Pad
Layout
(6.86)
(10.29)
Pin 1
I.D.
.350
.030
(.762)
(8.89)
.005/.010
.008/.012
.190
(.127/.254)
0°-8°
(.203/.305)
(4.82)
.035
(.889)
.365
(9.27)
.050
(1.27)
.018/.022
(.457/.559)
Unless Otherwise Specified Dimensions are in Inches /mm
.010 /.25
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSA4027S Rev. - 1/26/05 FT
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com