S553-2940-02_1 Datasheet, PDF (1/4 Pages) Bel Fuse Inc. – 10BASE-T LAN MAGNETICS

10BASE-T LAN MAGNETICS
Quad Transformer Modules
LM00501
• Transformer turns ratio RX 1 : 1 and TX 1CT : 1.41CT
• Filterless quad, four-port designs with common
footprint and pinouts
• Optimized for use with stackable RJ-45 connectors
• Designs utilize standard 40 pin SMD packaging
• Low profile, surface mount packaging rated to 225° C
peak IR reflow temperature
• Quad design offers best space, performance and cost
efficiency
• Operating temperature 0° to 70° C
• Minimum interwinding breakdown voltage of 1500 Vrms
ELECTRICAL SPECIFICATIONS AT 25° C
Part Number
OCL
Inductance
µH min
Insertion Loss
dB max
Return Loss
dB min
Common to Common Mode
Rejection
dB min
1MHz to 10MHz 1MHz to 10MHz 10MHz to 30MHz
100MHz
Crosstalk
dB min
1MHz to 10MHz
Transformers Only
S553-2940-02
100
-1.0
-18
---
---
-40
S553-5999-54
100
-1.0
-18
---
---
-40
Transformers and Common Mode Chokes
S553-2940-01
100
-1.0
-18
-40
-30
-40
S553-2940-03
100
-1.0
-18
-40
-30
-40
S553-2940-04
100
-1.0
-18
-40
-30
-40
S553-2940-08
100
-1.0
-18
-40
-30
-40
S553-2940-09
100
-1.0
-18
-40
-30
-40
S553-5999-38
100
-1.0
-18
-40
-30
-40
©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
L5-5