Isolation Transformers for
LAN-Ethernet Applications
E L E C T R O N I C S I N C .
EPA1885-X
• Designed for IEEE 802.3 and ECMA Requirements
• Available in Low Profile S.O.I.C. 16 Pin SMD Package
• Hipot : both 2000 Vrms and 500 Vrms available
in compliance with LAN’s Safety Requirements
Electrical Parameters @ 25° C
PCA
Part
Interwinding
Capacitance
(pF Max.)
Et-Constant
Rise Time
Turns Ratio
OCL
Leakage
Inductance
(µH Max.)
DCR
(V-µSec. Typ.)
(nS Max.)
(
5%)
(µH 20%)
(Ω Max.)
Number
5
2.0
2.0
2.0
2.0
2.4
2.5
3.0
3.0
3.0
3.5
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.5
3.5
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
EPA1885-1
EPA1885-2
EPA1885-3
EPA1885-4
EPA1885-5
EPA1885-6
EPA1885-7
EPA1885-8
EPA1885-9
EPA1885-10
25
30
0.15
0.15
0.15
0.20
0.20
0.25
0.25
0.25
0.25
0.30
0.15
0.15
0.20
0.20
0.30
0.30
0.30
0.40
0.50
0.50
5
6
35
7
50
8
75
9
100
125
150
175
200
10
11
12
13
Schematic
16 15 13 12 10
9
8
1
2
4
5
7
Package
.055
.450
.050
(1.27)
(1.40)
(11.43)
PCA
.250
.390
Solder Pad
Layout
EPA1885-X
Date Code
(6.35)
(9.65)
Pin 1
I.D.
.350
.030
(.762)
(8.89)
.009/.015
.220
(.229/.381)
.008/.012
(5.59)
(.203/.305)
0°-8°
.018/.022
.035
(8.89)
.360
(9.14)
(.457/.559)
.050
(1.27)
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.
CSA1885-X Rev. 1 5/6/03
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA [ PCA ELECTRONICS INC. ]
