S553-5999-F5-F

Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
10BASE-T LAN MAGNETICS
©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01
LM01509
page 1
Single Port Transformer Module
ELECTRICAL SPECIFICATIONS AT 25° C
SCHEMATIC
S553-5999-F5
Transformer turns ratio RX 1CT : 1CT and
TX 1CT : 2.5CT
Utilizes standard surface mount packaging
Low profile, surface mount packaging rated to 225° C
peak IR reflow temperature
Operating temperature 0° to 70° C
Minimum interwinding breakdown voltage of 1500 Vrms
rebmuNtraP
ssoLnoitresnI
xamBd
LCO
nimHµ
ssoLnruteR
nimBd
nommoCotnommoC
noitcejeRedoM
nimBd
klatssorC
nimBd
zHM01otzHM1 zHM01otzHM1 zHM03otzHM01 zHM001otzHM03 zHM01otzHM1
5F-9995-355S0.1-03281-04-03-04-
1
2
3
6
7
8
9
10
11
14
15
16
1CT : 1CT
1CT : 2.5CT
RX
TX
CORPORATE
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
FAR EAST
Bel Fuse Ltd.
8F / 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
EUROPE
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
10BASE-T LAN MAGNETICS
©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01
LM01509
page 2
Single Port Transformer Module
MECHANICAL
S553-5999-F5
0.500
[12.70]
max
0.375
[9.53]
max
0.285
[7.24]
max
0.018 ±0.002
[0.46 ±0.05]
0.225
[5.72]
max
0.050
[1.27]
0.015
[0.38]
0.350 ±0.010
[8.89 ±0.25]
0.008 - 0.012
[0.20 - 0.30]
0.035
[0.89]
4˚ nom
0.025
[0.64]
0.070
[1.78]
0.050
[1.27]
0.425
[10.80]
Suggested PCB Pad Layout
Dimensions are in inches [millimeters].
Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted.
0.004 [0.10]

S553-5999-F5-F

Mfr. #:
Manufacturer:
Stewart Connector / Bel
Description:
Audio Transformers / Signal Transformers
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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