PL IA NT Features ■ RoHS compliant* CO M ■ Compliant with IEEE802.3ab Draft *R oH S Standards for 1000 Base-T ■ Designed for Long Haul Gigabit Ethernet 10/100/1000 Base-T Full Duplex applications ■ Low profile surface mount packaging designed for reflow process (245 ° peak) ■ Supports 4 pairs of Category 5 UTP cables Applications ■ LAN ■ Ethernet PT61020L LAN 10/100/1000 Base-T Transformer Modules Electrical Specifications @ 25 °C Inductance .......................... 350 µH min. with 8 mA DC bias @ 100 KHz, 0.2 V Leakage Inductance .......... 0.50 µH max. @ 100 KHz, 0.2 V Interwinding Capacitance .......25 pF typ. @ 100 KHz, 0.2 V DC Resistance .................... 0.90 Ω max. Insertion Loss ..................... 0.3-100 MHz -1.1 dB max. Return Loss (dB min.) 0.3-30 MHz .....................................-18 40 MHz.........................................-14.4 50 MHz.........................................-13.1 60-80 MHz ......................................-12 Cross Talk (dB min.) 0.3-30 MHz .....................................-35 60-100 MHz ....................................-28 Common Mode Rejection (dB min.) 0.3-30 MHz .....................................-40 60 MHz............................................-35 80-100 MHz ....................................-30 Turns Ratio ...........................1 CT:1±5 % PoE Current ........... Up to 640 mA for 1000 Base-T Isolation Hi-Pot....1500 VAC 1 mA 1 sec. Operating Temperature .................................. -40° C to +85 °C Electrical Schematic TCT1 1 TD1+ 2 TD1- 3 TCT2 4 TD2+ 5 1CT:1 1CT:1 Product Dimensions 24 MCT1 23 MX1+ 22 MX1- 21 MCT2 20 MX2+ TD2- 6 19 MX2- TCT3 7 18 MCT3 TD3+ 8 17 MX3+ TD3- 9 16 MX3- 15 MCT4 14 MX4+ 13 MX4- 1CT:1 TCT4 10 TD4+ 11 TD4- 12 PT61020EL is extended temperature version of PT61024L. 1CT:1 13.96 (0.550) 12.20 (0.480) Bourns PT61020L 16.00 (0.630) DATE CODE 17.62 (0.694) PIN 1 6.00 (0.236) 0.30 ± 0.15 (0.012 ± 0.006) 0.46 (0.018) 1.27 (0.05) 8˚ 0.90 (0.035) Recommended Layout 1.91 (0.075) 13.97 (0.55) Packaging Specifications Tape & Reel ....................... 400 pcs./reel 16.51 (0.650) How To Order PT61020E L Model Termination L = Tin only (RoHS Compliant) 1.27 (0.05) DIMENSIONS: TOLERANCES: ± REV. 06/11 *RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 0.76 (0.030) MM (INCHES) 0.25 (.010)