This series is OBSOLETEAND not recommended for new designs. PL IA N T Features M ■ IEEE802 3af/ANSI X3.263 *R oH S CO ■ RoHS compliant* Applications ■ VolP ■ PoE SM51522L 10/100 Base Tx VolP Modules (Power over Ethernet - PoE) Electrical Schematic Electrical Specifications Inductance - Open Circuit ... 350 µH min. (100 KHz, 0.1 V with 8 mA DC bias) DC Resistance Balance..............≤ 3.5 % Turns Ratio (TX/RX) .............. 1CT : 1CT Insertion Loss ....................1-100 MHz, -1.2 dB max. Return Loss (@ 100 ohms) 1-30 MHz...........................-16 dB min. 40 MHz ..............................-14 dB min. 50 MHz ..............................-13 dB min. 60-80 MHz.........................-12 dB min. Cross Talk 60 MHz ..............................-37 dB min. 100 MHz ............................-31 dB min. DCMRR 30 MHz .............................-43 dB min. 60 MHz ..............................-37 dB min. 100 MHz ............................-33 dB min. PoE Current ..........................350 mA DC Isolation ..................................1500 VAC Operating Temperature ..................................-40 °C to +85 °C Packaging Specifications 23 RXCT1 RD1+ 1 RD1- 3 TD1+ 4 Termination L = Tin only (RoHS Compliant) 21 TX1+ TCT1 5 TD1- 6 19 TX1- E T E L O S B O 17 TXCT2 TD2+ 7 18 TX2+ TCT2 8 TD2- 9 16 TX214 RXCT2 RD2+ 10 15 RX2+ RCT2 11 RD2- 12 13 RX2- Product Dimensions Recommended Layout 13.10 (0.516) 11.22 (0.442) SM51522E L Model 22 RX120 TXCT1 Tape & Reel ....................... 700 pcs./reel How To Order 24 RX1+ RCT1 2 11.22 (0.442) Bourns 12.50 (0.492) SM51522L 15.50 (0.610) 12.45 (0.490) 15.75 (0.620) YYWW PIN 1 0.41 (0.016) 24 PLCS. 1.02 (0.040) 1.02 (0.040) 0.64 24 PLCS. (0.025) 3.50 (0.138) 0.15 (0.006) DIMENSIONS: 0.30 (0.012) 0.99 (0.039) REV. 05/13 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. MM (INCHES)