defining a degree of excellence
ISOLATIONTRANSFORMERS
FOR ETHERNET
• Bel isolation transformers are designed to be used as
equipment isolation protection for the cable-AUI
interface in 10Base-2, 10Base-5 and 10Base-T
applications
• Multiple OCL (inductance) values available
• Turns ratio 1:1
• 2000 Vrms isolation
• Through-hole and surface mount packaging
960035A
ELECTRICALS AT 25°C
Part No.
Inductance
OCL (µH)
(+/- 20)
ET
Constant
(Vµs) Min
Rise
Time
(ns) Max
Coupling
Capacitance
C
WW
(pF) Max
Leakage
Inductance
L
L
(µH) Max
Pri/Sec
(ohms)
Max
Package
Schematic
Style
A553-0756-AB
A553-1006-AB
A553-1506-AB
S553-0506-AE
S553-0745-01
S553-0756-AE
S553-1006-AE
S553-1506-AE
S553-5999-67
S553-5999-68
S553-5999-69
S553-5999-72
S553-5999-73
S553-5999-74
75
100
150
50
350
75
100
150
75
150
100
100
150
75
2.1
2.1
3.0
1.0
1.5
1.4
1.5
1.8
1.4
1.8
1.5
1.5
1.8
1.4
3.0
3.0
3.5
1.8
3.5
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
10
10
12
5
16
7
8
9
7.0
9.0
8.0
8.0
9.0
7.0
0.20
0.20
0.25
0.10
0.30
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.20/0.20
0.20/0.20
0.30/0.30
0.15/0.15
0.35/0.35
0.17/0.17
0.20/0.20
0.20/0.20
0.17/0.17
0.20/0.20
0.20/0.20
0.20/0.20
0.20/0.20
0.17/0.17
A
A
A
A
A
A
A
A
A
A
A
B
B
B
1
1
1
2
2
2
2
2
3
3
3
4
4
4
SCHEMATICS
A
B
Specifications subject to change without notice.
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302 • Tel: 201-432-0463 • Fax: 201-432-9542 • E-Mail: BelFuse@belfuse.com
Website: http://www.belfuse.com
BEL [ BEL FUSE INC. ]
