S553-5999-18_1 Datasheet, PDF (1/4 Pages) Bel Fuse Inc. – 10BASE-T LAN MAGNETICS

10BASE-T LAN MAGNETICS
Quad Transformer Modules
LM00500
• Transformer turns ratio RX 1 : 1 and TX 1CT : 1CT
• 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
Insertion
Loss
dB max
1MHz to
10MHz
Return
Loss
dB min
5MHz to
10MHz
Common to Common Mode Rejection
dB min
5MHz to
10MHz
50MHz
100MHz
Transformers Only
200MHz
S553-5999-18
-1.0
-20
-50
S553-5999-26
-1.0
-18
---
-35
-25
-20
---
---
---
S553-5999-53
-1.0
-18
-40
---
-30
---
S553-5999-24
-1.0
Transformers and Common Mode Chokes
-20
-50
-35
-25
-20
S553-5999-32
-1.0
-18
-40
S553-5999-39
-1.0
-20
-50
---
-30
---
-35
-25
-20
S553-5999-76
-1.0
-18
-40
---
-30
---
Crosstalk
dB min
1MHz to
10MHz
5MHz to
10MHz
---
-50
-40
---
-40
---
---
-50
-40
---
---
-50
-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
L5-1