INTEGRATED CONNECTOR MODULES 10/100Base-TX belStack™ BM01814 • 12-port shielded RJ-45 connector with integrated 10/100 magnetics • Complies with IEEE standards and all 10/100 Ethernet specifications including 350µH with 8mA DC bias • Compatible with a variety of 10/100 transceiver ICs • Highly integrated design conserves valuable board space • Operating temperature 0° to +70° C • Minimum interwinding breakdown voltage of 1500 Vrms • Storage temperature -40° to +85° C • Adaptable, modular design provides higher reliability ELECTRICAL SPECIFICATIONS AT 25° C Part Number Insertion Loss dB max Common to Differential Mode Rejection dB min Return Loss dB min Common to Common Mode Rejection dB min Crosstalk dB min 1MHz to 100MHz 1MHz to 30MHz 30MHz to 60MHz 60MHz to 80MHz 0811-2X6T-18 -1.1 -18 18 - 20 log (f/30MHz) -12 -40 -30 -35 0811-2X6T-30 -1.1 -18 18 - 20 log (f/30MHz) -12 -40 -30 -35 100kHz to 100MHz 100kHz to 100MHz Available Options • Various transformer turns ratios • Various high voltage capacitor values ©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 10/100Base-TX belStack™ BM01814 SCHEMATIC 0811-2X6T-18 RJ45 Pin 1CT : 1 RD+ 1 1 RX+ RCT 4 RD- 2 2 RX1CT : 1 TD+ 3 3 TX+ 4 5 6 TX7 8 TCT 7 TD- 6 75Ω x4 N/C 5 1000pF 2kV 8 Shield 0811-2X6T-30 Pin TCT 1 RJ45 1CT : 1 1 TX+ TD+ 2 TD- 2 TX- 3 RD+ 4 1CT : 1 3 RX+ 4 5 6 RX7 8 RCT 5 RD- 6 N/C 7 75Ω x4 8 1000pF 2kV 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™ BM01814 MECHANICAL 0811-2X6T-18 0811-2X6T-30 1.130 [28.70] Outer Shield 3.430 [87.12] 0.040 [1.02] Typical * 0.080 [2.03] Typical 1.004 [25.50] 0.155 [3.94] 0.128 [3.24] Terminal Housing 3.200 [81.27] 0.425 [10.80] 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 10/100Base-TX belStack™ BM01814 PAD LAYOUT 0811-2X6T-18 0811-2X6T-30 3.150 [80.01] 2.600 [66.04] 2.050 [52.07] 1.500 [38.10] 0.950 [24.13] 0.400 [10.16] ø0.062 [ø1.57] 4 places 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] 0.050 [1.27] typ 0.100 [2.54] typ 0.610 0.450 [15.49] [11.43] 0.180 [4.57] ø0.128 [ø3.25] 2 places ø0.035 [ø0.89] typical 0.110 [2.79] R0.030 [R0.76] 2 places 2 places 0.290 [7.37] 2 places 3.200 [81.28] Position 8 Lowerdeck Typical Position 1 Lowerdeck Typical Suggested PCB Pad Layout Component Side View 3.465 +0.010 / -0.005 [88.01 +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 FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com 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 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