INTEGRATED CONNECTOR MODULES
10/100Base-TX belStack™
• 16-port shielded RJ-45 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 •
BM01815
Complies with IEEE standards and all 10/100 Ethernet specifications including 350µH with 8mA DC bias Highly integrated design conserves valuable board space Minimum interwinding breakdown voltage of 1500 Vrms Adaptable, modular design provides higher reliability
• • •
• • •
ELECTRICAL SPECIFICATIONS AT 25° C
Common to Differential Mode Rejection dB min 60MHz to 80MHz -12 Common to Common Mode Rejection dB min
Part Number
Insertion Loss dB max
Return Loss dB min
Crosstalk dB min
1MHz to 100MHz 0811-2X8T-18 -1.1
1MHz to 30MHz -18
30MHz to 60MHz 18 - 20 log (f/30MHz) 18 - 20 log (f/30MHz) 18 - 20 log (f/30MHz)
100kHz to 100MHz
100kHz to 100MHz
-40
-30
-35
0811-2X8T-28
-1.1
-18
-12
-40
-30
-35
0811-2X8T-30
-1.1
-18
-12
-40
-30
-35
SCHEMATIC
0811-2X8T-18
Pin RD+ 1 RCT 4 RD- 2 TD+ 3 TCT 7 TD- 6 1CT : 1 1CT : 1
RJ45 1 RX+ 2 RX3 TX+ 4 5 6 TX7 8
75Ω x4 1000pF 2kV
Available Options • Various transformer turns ratios • Various high voltage capacitor values
N/C 5
8 Shield
©2001 Bel Fuse Inc. Specifications subject to change without notice. 08.01
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 1
INTEGRATED CONNECTOR MODULES
BM01815
10/100Base-TX belStack™
SCHEMATIC
0811-2X8T-28
Pin 1CT : 1 RJ45
RD+ 1 RCT 4 RD- 2
1 RX+ 2 RX-
TD+ 3 TCT 7 TD- 6
1CT : 1
3 TX+ 4 5 6 TX7 8
75Ω x4 1000pF 2kV
GND 8 Shield
0811-2X8T-30
Pin TCT 1 TD+ 2 TD3 1CT : 1 1CT : 1
RJ45 1 TX+ 2 TX3 RX+ 4 5 6 RX7 8
75Ω x4 1000pF 2kV
RD+ 4 RCT 5 RD6
N/C 7
8 Shield
©2001 Bel Fuse Inc. Specifications subject to change without notice. 08.01
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 2
INTEGRATED CONNECTOR MODULES
10/100Base-TX belStack™
BM01815
MECHANICAL
0811-2X8T-18 0811-2X8T-28 0811-2X8T-30
1.130 [28.70] Outer Shield 0.040 [1.02] Typical
4.530 [115.06] 0.080 [2.03] Typical
*
0.155 [3.94]
1.004 [25.50]
0.128 [3.24] Housing
Terminal 0.425 [10.80] 4.300 [109.21]
0.550 [13.97] Typical Dimensions are in inches [millimeters]. Standard dimension tolerance is ±0.010 [0.25] unless otherwise noted.
Notes
Plastic Housing Contacts Pins Solderability Metal Shield Thermoplastic, flammability rating UL 94V-0 50 micro-inch hard gold plating Tin-coated copper wire, DIA 0.018" [0.46] Per MIL Std. 202, Method 208 Nickel plated copper alloy
*Jack cavity conforms to FCC rules and regulations, part 68, subpart F.
©2001 Bel Fuse Inc. Specifications subject to change without notice. 08.01
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com page 3
INTEGRATED CONNECTOR MODULES
BM01815
10/100Base-TX belStack™
PAD LAYOUT
0811-2X8T-18 0811-2X8T-28 0811-2X8T-30
0.950 [24.13] 0.400 [10.16] ø0.062 [ø1.57] 0.100 [2.54] typ 4 places 0.610 [15.49] 0.450 [11.43] 0.180 [4.57] ø0.128 [ø3.25] 2 places ø0.035 [ø0.89] typical
4.250 [107.95] 3.700 [93.98] 3.150 [80.01] 2.600 [66.04] 2.050 [52.07] 1.500 [38.10] 0.050 [1.27] typ
Position 8 Upperdeck Typical Position 1 Upperdeck Typical 0.100 [2.54] 0.160 [4.06] 0.100 [2.54] 0.250 [6.35] 0.200 [5.08]
0.110 [2.79] 2 places 0.290 [7.37] 2 places
R0.030 [R0.76] 2 places 4.300 [109.22]
Position 8 Lowerdeck Typical Position 1 Lowerdeck Typical
Suggested PCB Pad Layout Component Side View 4.565 +0.010 / -0.005 [115.95 +0.25 / -0.13]
R0.0075 ±0.0075 [R0.19 ±0.19] 4 places
1.030 +0.010 / -0.005 [26.16 +0.25 / -0.13] 0.015 [0.38] Suggested Panel Cutout Dimensions
©2001 Bel Fuse Inc. Specifications subject to change without notice. 08.01
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
page 4
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