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 SM51523L 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 1CT : 1; RX 1CT : 1CT Insertion Loss ....................1-100 MHz, -1.1 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 ............................-33 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 1CT : 1 RD1+ 1 24 RX1+ RCT1 2 23 RXCT1 RD1- 3 22 RX11CT : 1 TD1+ 4 21 TX1+ TCT1 5 20 TXCT1 TD1- 6 19 TX11CT : 1 TD2+ 7 18 TX2+ TCT2 8 17 TXCT2 E T E L O S B O 16 TX2- TD2- 9 1CT : 1 RD2+ 10 15 RX2+ RCT2 11 14 RXCT2 RD2- 12 13 RX2- Product Dimensions Recommended Layout 13.70 (0.539) 10.89 (0.429) 10.89 (0.429) Tape & Reel ....................... 400 pcs./reel How To Order SM51523E L Model Termination L = Tin only (RoHS Compliant) 15.24 (0.600) Bourns SM51523L 19.00 (0.748) 19.56 (0.770) 15.50 (0.610) YYWW PIN 1 0.40 (0.016) 0.99 (0.039) 0.99 (0.039) 0.64 (0.025) 5.80 (0.228) 0.20 ± 0.13 (0.008 ± 0.005) DIMENSIONS: 0.30 (0.012) 0°~8° 16.30 (0.642) 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)