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| INTEGRATED CONNECTOR MODULES 10/100Base-TX MagJack(R) 2 x 4 * 8-port shielded RJ-45 connector with integrated 10/100 magnetics Design supports AutoMDIX applications Compatible with a variety of 10/100 transceiver ICs Operating temperature 0 to +70 C Storage temperature -40 to +85 C * 0811-2X4R-28 Complies with IEEE standards and all 10/100 Ethernet specifications including 350H 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 Insertion Loss dB max Return Loss dB min Crosstalk dB min 100KHz to 100MHz -1.1 1MHz to 30MHz -18 30MHz to 60MHz 18 - 20 log (f/30MHz) 100kHz to 100MHz 100kHz to 100MHz -40 -30 -35 SCHEMATIC Pin 0811-2X4R-28 RJ-45 RD+ 1 RCT 4 RD2 1CT : 1 1 RX+ 2 RX1CT : 1 3 TX+ 4 5 6 TX7 8 TD+ 3 TCT 7 TD- 6 GND 8 Shield (c)2004 Bel Fuse Inc. Specifications subject to change without notice. 03.04 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 0811-2X4R-28 10/100Base-TX belStackTM MECHANICAL 0811-2X4R-28 0811-2X4R-28 1.130 [28.70] 0.150 [3.81] 0.125 [3.18] 1.004 [25.50] Port 2 2.330 [59.18] 1 Port 8 Port 7 0.425 [10.80] Solder dipped ground lead (4X) Port 1 2.100 [53.34] Dimensions are in inches [millimeters]. Standard dimension tolerance is 0.010 [0.25] unless otherwise noted. 0.550 [13.97] Typical 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(all ground leads are solder dipped) Jack cavity conforms to FCC rules and regulations, part 68, subpart F. 1. (c)2004 Bel Fuse Inc. Specifications subject to change without notice. 03.04 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 MagJack(R) 2 x 4 PAD LAYOUT 0811-2X4R-28 0.950 [24.13] 0.400 [10.16] 0.100 [2.54] typ o0.062 [o1.57] 4 places 0.610 [15.49] 0.050 [1.27] typ Position 8 Upperdeck Typical 0.100 [2.54] 0.160 [4.06] 0.100 [2.54] 0.250 [6.35] 0.200 [5.08] 2.050 [52.07] 1.500 [38.10] 0811-2X4R-28 Position 1 Upperdeck Typical 0.450 [11.43] 0.180 [4.57] R0.030 [R0.76] 2 places 0.110 [2.79] 2 places 0.290 [7.37] 2 places 2.100 [53.34] o0.128 [o3.25] 2 places o0.035 [o0.89] typical Position 8 Lowerdeck Typical Position 1 Lowerdeck Typical PC Board Layout Viewed from Component Side Suggested Panel Opening 2.365 +0.010/-0.005 [60.07 +0.25/-0.13] Metal Panel 0.085 0.010 [2.16 0.25] 1.030 +0.010/-0.005 [26.16 +0.25/-0.13] 0.015 [0.38] PCB (c)2004 Bel Fuse Inc. Specifications subject to change without notice. 03.04 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 3 |
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