PL IA N T Features Model SM51108EL is obsolete and not recommended for new designs. Model SM51108PEL is the preferred alternative. CO M ■ RoHS compliant* *R oH S ■ IEEE802 3af/ANSI X3.263 Applications ■ VolP ■ PoE SM51108L 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) Turns Ratio ..............................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 ..............................-40 dB min. 100 MHz ............................-35 dB min. DCMRR 30 MHz .............................-43 dB min. 60 MHz ..............................-37 dB min. 100 MHz ............................-33 dB min. PoE Current ................Up to 320 mA DC Isolation ..................................1500 VAC Operating Temperature ..................................-40 °C to +85 °C Packaging Specifications TD+ 1 16 TX1+ TCT 2 15 TXCT TD- 3 14 TX1- RD+ 6 11 RX1+ RCT 7 10 RXCT RD- 8 9 E T E L O S B O ...................................... 700 pcs. /reel Recommended Layout Product Dimensions 12.00 MAX. (0.472) 8.89 (0.350) 8.89 (0.350) Bourns SM51108L 7.00 (0.276) MAX. 9.30 (0.366) 10.48 (0.413) 7.13 (0.281) YYWW PIN 1 0.48 ± 0.30 (0.019 ± 0.012) How To Order RX- 1.27 (0.005) 0.76 (0.030) 1.27 (0.005) SM51108E L Model Termination L = Tin only (RoHS Compliant) 5.45 ± 0.25 (0.215 ± 0.010) 0.24 ± 0.14 (0.010 ± 0.006) DIMENSIONS: 0°~8° 0.70 (0.028) REV. 07/15 *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. Customers should verify actual device performance in their specific applications MM (INCHES)