Isolation Transformers For 10Base-T Applications For Adapter Cards, Hubs, and Motherboards Designed to meet or exceed IEEE802.3, 10Base-T specifications Peak solder reflow Temperature rating per Table 5-2 defined in IPC/JEDEC J-STD-020C Available with Common Mode Choke options for EMI suppression Electrical Specifications 25C - Operating Temperature 0C to 70C Turns Ratio Part Primary Common Inductance Interwinding Leakage Winding 1, 2, 3 Number Pins Mode Primary Capacitance Inductance Resistance Transmit Receive TX/RX Choke (H) (pfMAX) (H MAX) (MAX) Vrms E2457NL 1CT:1.41CT 1CT:1CT 6-8/1-3 None 140/140 12 0.2 0.3 1500 E2458NL 1CT:1.41CT 1CT:1CT 6-8/1-3 Shared 160/160 12 0.4 0.3 1500 E2467NL 1CT:2CT 1CT:1CT 6-8/1-3 Shared 20/100 12 0.3 0.6 1500 Notes: 1. All above parts Moisture Sensitivity Level (MSL) = 1 2. All parts are supplied in Tubes but Tape & Reel options can be requested by add T to the end of the part code, eg. E2457NLT will be the Tape & Reel version of E2457NL. 3. Not for sale in U.S. Schematics E24XXNL Part without Choke Part Including Shared Choke USA 858 674 8100 Germany 49 7032 7806 0 Singapore 65 6287 8998 Shanghai 86 21 62787060 China 86 755 33966678 Taiwan 886 3 4356768 1 pulseelectronics.com E124.B (06/13)Isolation Transformers For 10Base-T Applications For Adapter Cards, Hubs, and Motherboards Mechanical E24XXNL Inches Weight...........................................0.85 grams Dimensions: mm Tape & Reel...................................40/reel Tube...............................................600/tube Unless otherwise specified .010 all tolerances are 0,25 Cross Reference to old Pulse Products New RoHS Replaces Old Part Number Part Number 23Z128SMNL E2457NL PE-65745NL ST7011NL & ST7011TNL 23Z356SMNL E2458NL PE-68048NL ST7010NL & ST7010TNL 23Z467SMNL E2467NL E4001NL ST4202NL & ST4202TNL For More Information Pulse Worldwide Pulse Europe Pulse China Headquarters Pulse North China Pulse South Asia Pulse North Asia Headquarters Einsteinstrasse 1 B402, Shenzhen Academy of Room 2704/2705 135 Joo Seng Road 3F, No. 198 12220 World Trade Drive D-71083 Herren- Aerospace Technol- Super Ocean Finance 03-02 Zhongyuan Road San Diego, CA berg ogy Bldg. Ctr. PM Industrial Bldg. Zhongli City 92128 Germany 10th Kejinan Road 2067 Yan An Road Singapore 368363 Taoyuan County 320 U.S.A. High-Tech Zone West Taiwan R. O. C. Nanshan District Shanghai 200336 Tel: 886 3 4356768 Shenzen, PR China China Tel: 65 6287 8998 Fax: 886 3 4356823 Tel: 858 674 8100 Tel: 49 7032 7806 518057 Fax: 65 6287 8998 (Pulse) Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. Copyright, 2013. Pulse Electronics, Inc. All rights reserved. 2 pulseelectronics.com E124.B (06/13)