This series is OBSOLETEAND not recommended for new designs. PL IA N T Features M ■ Compliant with IEEE802.3ab Draft *R oH S CO 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 (225 ° peak) ■ Supports 4 pairs of Category 5 UTP cables ■ RoHS compliant* PT61024L 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 % Isolation Hi-Pot ....1500 VAC 1 mA 1 sec. Operating Temperature ......................................0° C to +70 °C TCT1 1 TD1+ 2 TD1- 3 TCT2 4 TD2+ 5 TD2- 6 1CT:1 1CT:1 Product Dimensions 24 MCT1 23 MX1+ 22 MX1- 21 MCT2 20 MX2+ 19 MX2- 18 MCT3 17 MX3+ TCT3 7 TD3+ 8 TD3- 9 16 MX3- TCT4 10 15 MCT4 14 MX4+ 13 MX4- 13.97 (0.55) 12.20 (0.480) Bourns PT61024L TD4+ 11 TD4- 12 1CT:1 1CT:1 16.00 (0.630) DATE CODE 17.80 MAX. (0.701) PIN 1 E T E L O S B O Available in extended temperature version (-40 °C to +85 °C). See PT61020L. Packaging Specifications Electrical Schematic MAX. 6.80 (0.268) 0.30 ± 0.15 (0.012 ± 0.006) 0.46 (0.018) 1.27 (0.05) 8˚ 0.90 (0.035) Recommended Layout 2.29 (0.090) 13.97 (0.95) Tape & Reel ....................... 350 pcs./reel 16.76 (0.660) How To Order PT61024 P E L Model Configuration P = Potted Type 1.27 (0.05) 0.76 (0.030) Packaging E = Tape & Reel Termination L = Tin only (RoHS Compliant) DIMENSIONS: TOLERANCES: ± 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) 0.25 (.010)