INTEGRATED CONNECTOR MODULES 10/100Base-TX belCombo™ with LEDs BM01817 • Shielded RJ-45 connector with integrated 10/100 magnetics and dual USB connectors • 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 0812-1X1T-03 Insertion Loss dB max Common to Differential Mode Rejection dB min Return Loss dB min 1MHz to 100MHz 1MHz to 30MHz 30MHz to 60MHz 60MHz to 80MHz -1.0 -18 18 - 20 log (f/30MHz) -12 Common to Common Mode Rejection dB min 100kHz to 100MHz -35 -30 Crosstalk dB min 100kHz to 100MHz -35 SCHEMATIC 0812-1X1T-03 RJ45 LED1 7 Yellow 8 TCT 1 1CT : 1 1 TX+ TD+ 2 Available Options 2 TX- TD- 3 • Various transformer turns ratios • Various high voltage capacitor values 1CT : 1 RD+ 4 3 RX+ 4 5 6 RX7 8 RD- 5 RCT 6 9 Green Orange • Various LED color combinations 75Ω x4 10 LED2 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 1 INTEGRATED CONNECTOR MODULES 10/100Base-TX belCombo™ with LEDs BM01817 MECHANICAL 0812-1X1T-03 Bi-Color Link Indicator Green/Orange Activity Indicator Yellow 0.673 [17.09] max 0.025 [0.64] 1.005 [25.53] RJ45 Pin 1 1.170 [29.72] USB 2 0.125 [3.18] USB 1 3.05 [7.75] PAD LAYOUT 0.369 [9.37] 10 9 8 7 6 54 32 1 0.661 [16.79] 0.565 [14.35] 0.400 [10.16] 1 1 ø0.038 ±0.003 [ø0.97 ±0.08] 8 places RJ-45 Mechanical Plastic Housing Contacts Pins Solderability Metal Shield 0.103 [2.62] USB Mechanical Mating Force Unmating Force Contact 4 4 ø0.091 ±0.003 [ø2.31 ±0.08] 4 places 0.323 [8.20] 0.099 [2.51] Notes ø0.038 ±0.003 [ø0.97 ±0.08] 4 places ø0.035 ±0.003 [ø0.89 ±0.08] 6 places 0.569 [14.45] ø0.062 ±0.003 [ø1.57 ±0.08] 4 places 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 35 Newtons maximum 10 Newtons minimum Phospher bronze gold plating on contact area and tin on solder tail 0.418 [10.62] 0.205 [5.21] 0.700 [17.78] 0.080 [2.03] 0.079 [2.01] 0.276 [7.01] 0.517 [13.13] 0.185 [30.10] 0.635 [16.13] Suggested PCB Pad Layout Component Side View Suggested Panel Opening ©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 2