S553-5999-79 [BEL]
10BASE-TNETWORKCOMPONENTS;
| 型号： | S553-5999-79 |
| 厂家： | 
BEL FUSE INC. |
| 描述： | 10BASE-TNETWORKCOMPONENTS |
| 文件： | 总4页 (文件大小：628K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
defining a degree of excellence
10BASE-TNETWORKCOMPONENTS
QUAD4-PORTMODULES
960014A
• Designed for use with National Semiconductor's
DP83959 10Base-T PHY transceiver, which
incorporates digital filtering in the silicon
• Low profile, surface mount packaging, rated to 225ºC
peak IR reflow temperature
• Cost and space efficient design solution
• 2000 Vrms isolation
• Family of quad, 4-port designs utilizing common
footprints and pinouts, offering choice of common
mode choke topologies
ELECTRICALS AT 25ºC
Insertion Loss
(dB) Max
OCL (Inductance)
(µH) Min
Return Loss
(dB) Min
Crosstalk
(dB) Min
CM-CM Rej
(dB) Min
Part No.
1-10MHz
TX
RX
5MHz-10MHz
100kHz-30MHz
5-10MHz 10-30MHz 30-100MHz
Schematic
S553-5999-28
S553-5999-31
S553-5999-78
S553-5999-79
-1.0
-1.0
-1.0
-1.0
50 200
50 200
50 200
50 200
-16
-16
-16
-16
-40
-40
-40
-40
-40
-40
-40
N/A
-35
-35
-35
N/A
-30
-30
-30
N/A
A
B
C
D
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
10BASE-TNETWORKCOMPONENTS
QUAD4-PORTMODULES
960014A
SCHEMATICS (CONT'D)
C
D
MECHANICAL
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
10BASE-TNETWORKCOMPONENTS
QUAD4-PORTMODULES
960014A
APPLICATION CIRCUIT
Please refer to National Semiconductor's
Application Note for detailed circuit schematic.
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
10BASE-TNETWORKCOMPONENTS
QUAD4-PORTMODULES
960014A
APPLICATION NOTES
• Bel has developed a variety of quad, 4-port part types for use with National Semiconductor's product line of quad, 4-
port PHY devices that incorporate digital filtering techniques within the silicon itself. Bel's "filterless magnetics" are
optimized for this specific application and create a very cost efficient design solution. Each Bel part type contains
transmit and receive transformers to provide for signal wave shaping, high voltage isolation and EMI noise suppression.
• Bel has designed these parts as a family of parts with common footprint and pinouts to enable the designer to
customize the use of common mode choke for optimum system performance.
• The pinout of these devices is most commonly used in applications with double-decker or “stacked” RJ-45
connectors.
• In multi-port system applications, good PCB layout and proper grounding techniques are very critical to achieve FCC
class A and B equipment approvals. Bel recommendations are available and can be provided by contacting our
engineering department or your local sales representative.
• Bel's low profile, surface mount packaging is ideal for high speed pick and place machinery. Parts can be shipped on
tape and reel for high speed placement. Construction processes have been implemented for thermal compatibility
with high temperature IR reflow assembly processing. Post dipping of leads assist with PC board solderability. Each
part is optically inspected to meet rigid coplanarity requirements.
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
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
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
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