Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
©2002 Bel Fuse Inc. Specifications subject to change without notice. 12.02
BM00802
10/100Base-TX belMag™
INTEGRATED CONNECTOR MODULES
ELECTRICAL SPECIFICATIONS AT 25° C
SCHEMATIC S811-1X1T-03
S811-1X1T-A4
• Single por t shielded RJ-45 surface mount connector with
integrated 10/100 magnetics
• Compatible with a variety of 10/100 transceiver ICs
• Operating temperature 0° to +70° C
• Storage temperature -40° to +85° C
• Complies with IEEE standards and all 10/100 Ethernet
specifications including 350µH with 8mA DC bias
• Integrated design conserves valuable board space
• Minimum interwinding breakdown voltage of 1500 Vrms
• Adaptable, modular design provides higher reliability
• Reduced pin count for improved crosstalk and
optimum PCB trace routing
PIN
1
2
3
4
5
6
RCT
RD-
RD+
TD-
TD+
TCT
RJ-45
1TX+
TX-
2
3RX+
4
5
6
7
8
RX-
Shield
1CT : 1
1CT : 1
75Ω
x 4
1000pF
2kV
Available Options
• Various transformer tur ns ratios
• Var ious high voltage capacitor values
rebmuNtraP
noitresnI ssoL xamBd
ssoLnruteR nimBd
otnommoC laitnereffiD edoM noitcejeR nimBd
otnommoC nommoC edoM noitcejeR nimBd
klatssorC nimBd
otzHM1 zHM001 otzHM1 zHM03 otzHM03 zHM06 otzHM06 zHM08 zHM001otzHk001 zHM1 zHM03 zHM05 zHM001
30-T1X1-118S0.1-81- gol02-81 )zHM03/f( 21-040307-54-04-53-
4A-T1X1-118S0.1-81- gol02-81 )zHM03/f( 21-040307-54-04-53-
page 1
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
©2002 Bel Fuse Inc. Specifications subject to change without notice. 12.02
BM00802
INTEGRATED CONNECTOR MODULES
10/100Base-TX belMag™
MECHANICAL
Notes
Plastic Housing Thermoplastic, flammability rating UL 94V-0
Contacts 50 micro-inch hard gold plating
Pins Tin-coated copper wire, DIA 0.018" [0.46]
Solderability Per MIL Std. 202, Method 208
Metal Shield Nickel plated copper alloy
Suggested Panel Opening
0.691
[17.55]
0.522
[13.26]
PCB
Metal Panel
0.080 [2.03]
page 2
S811-1X1T-03
S811-1X1T-A4
Dimensions are in inches [millimeters].
Standard dimension tolerance is ±0.010 [0.25] unless otherwise noted.
Pin 1
0.050
[1.26]
0.024 [0.61]
0.122 ±0.002
[3.10 ±0.05]
0.050
[1.27]
0.012
[0.30]
0.502
[12.75]
max
0.765 ±0.020
[19.43 ±0.51]
0.661
[16.79]
max
0.555 ±0.010
[14.10 ±0.25]
0.950 [24.13]
max
0.165 ±0.020
[4.19 ±0.51]
0.330
[8.38] 0.100
[2.54] 0.655
[16.64]
0.080
[2.03]
0.050
[1.27]
0.012
[0.30]
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
©2002 Bel Fuse Inc. Specifications subject to change without notice. 12.02
BM00802
10/100Base-TX belMag™
INTEGRATED CONNECTOR MODULES
S811-1X1T-03
S811-1X1T-A4
PAD LAYOUT
0.705 [17.91]
0.500
[12.70]
0.1025
[2.60] 0.080 x 0.120
[2.03 x 3.05]
2 places
ø0.128 ±0.003
[ø3.25 ±0.08]
2 places
0.045 x 0.080
[1.14 x 2.03]
6 places
0.080
[2.03]
0
.050
[
1.27]
0.635
[16.13]
0.535
[13.59]
1
2
3
4
5
6
Suggested PCB Pad Layout
Component Side View
0.705 [17.91]
0.500
[12.70]
0.1025
[2.60] 0.080 x 0.120
[2.03 x 3.05]
2 places
ø0.128 ±0.003
[ø3.25 ±0.08]
2 places
0.045 x 0.080
[1.14 x 2.03]
6 places
0.080
[2.03]
0
.050
[
1.27]
0.635
[16.13]
0.535
[13.59]
123456
Suggested PCB Pad Layout
Component Side View
page 3
CORPORATE
Bel Fuse Inc.
206 V an V orst 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
K owloon, Hong K ong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
EUROPE
Bel Fuse Eur ope 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
©2002 Bel Fuse Inc. Specifications subject to change without notice. 12.02
BM00802 10/100Base-TX belMag™
INTEGRATED CONNECTOR MODULES
THIS PAGE INTENTIONALLY LEFT BLANK
page 4
