Isolation Transformers for
LAN-Ethernet Applications
ELECTRONICS INC.
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
Number
EPA1885-1
EPA1885-2
EPA1885-3
EPA1885-4
EPA1885-5
EPA1885-6
EPA1885-7
EPA1885-8
EPA1885-9
EPA1885-10
OCL
(µH ± 20%)
25
30
35
50
75
100
125
150
175
200
Interwinding
Capacitance
(pF Max.)
5
5
6
7
8
9
10
11
12
13
Leakage
Inductance
(µH Max.)
0.15
0.15
0.15
0.20
0.20
0.25
0.25
0.25
0.25
0.30
Et-Constant
(V-µSec. Typ.)
2.0
2.0
2.0
2.0
2.4
2.5
3.0
3.0
3.0
3.5
Rise Time
(nS Max.)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.5
3.5
Turns Ratio
(± 5%)
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
DCR
(Ω Max.)
0.15
0.15
0.20
0.20
0.30
0.30
0.30
0.40
0.50
0.50
Schematic
16
15 13
12
10
9
1
2
4
5
7
8
Package
.450
(11.43)
PCA
EPA1885-X
Date Code
.050
(1.27)
.055
(1.40)
.250
(6.35)
.390
(9.65)
Solder Pad
Layout
Pin 1
I.D.
.350
(8.89)
.009/.015
(.229/.381)
0°-8°
.030
(.762)
.220
(5.59)
.018/.022
(.457/.559)
.008/.012
(.203/.305)
.050
(1.27)
.035
(8.89)
.360
(9.14)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSA1885-X
Rev. 1
5/6/03
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA [ PCA ELECTRONICS INC. ]
