S553-5999-F2 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – 10BASE-T LAN MAGNETICS

10BASE-T LAN MAGNETICS
Dual Isolation Transformer
LM05510
• Transformer turns ratio RX 1CT : 1CT and
TX 1CT : 2CT
• Utilizes standard surface mount packaging
• Meets all IEEE 802.3 performance requirements
• Low profile, surface mount packaging rated to 225° C
peak IR reflow temperature
• Operating temperature -40° to +85° C
• Minimum interwinding breakdown voltage of 1500 Vrms
ELECTRICAL SPECIFICATIONS AT 25° C
Part Number
OCL
µH min
RX
TX
Leakage
Inductance
µH max
RX
TX
Interwinding
Capacitance
pf max
1 - 16
6 -11
S553-5999-F2
110
28
0.3
0.2
10
10
S553-5999-F3
110
28
0.3
0.2
10
10
TXIN
0.75
0.75
DCR
Ω max
TXO
0.75
0.75
RXIN
0.75
0.75
RXO
0.75
0.75
SCHEMATIC
S553-5999-F2
1 ^{1CT : 1CT} 16
RX 2
15
3
14
6 ^{1CT : 2CT} ₁₁
TX 7
10
8
9
S553-5999-F3
15
1 ^{1CT : 1CT}
RX 2
3
16
14
11
9
6 ^{1CT : 2CT}
TX 7
8
10
©2005 Bel Fuse Inc. Specifications subject to change without notice. 03.05
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
page 1