BEL S553-5999-68

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
960035A
• Turns ratio 1:1
• 2000 Vrms isolation
• Through-hole and surface mount packaging
• Multiple OCL (inductance) values available
ELECTRICALS AT 25°C
Part No.
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
Inductance
OCL (µH)
(+/- 20)
ET
Constant
(Vµs) Min
Rise
Time
(ns) Max
Coupling
Capacitance
CWW (pF) Max
Leakage
Inductance
LL (µH) Max
Pri/Sec
(ohms)
Max
Schematic
Package
Style
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
defining a degree of excellence
ISOLATIONTRANSFORMERS
FOR ETHERNET
960035A
MECHANICALS
1
2
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
defining a degree of excellence
ISOLATIONTRANSFORMERS
FOR ETHERNET
960035A
MECHANICALS (CONT'D)
3
4
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
defining a degree of excellence
960035A
ISOLATIONTRANSFORMERS
FOR ETHERNET
APPLICATION CIRCUIT
APPLICATION NOTES
• Bel transformers for Ethernet AUI applications provide the necessary isolation and inductance as required in the IEEE
802.3 standards for AUI (Attachment Unit Interface) ports.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366