Current Sense Transformers FIS 1X5 Series Current sense transformers provide output feedback to the pulse control circuitry allowing low-cost regulation of switch-mode power supplies Fully encapsulated construction Isolation primary to secondary: 4000V AC 25A maximum primary current, 500kHz maximum frequency Applications: switch-mode power supplies, lighting, switch controls Electrical Specifications @ 25°C - Operating Temperature -40°C to +125°C Part No. Prim/Sec Ratio Sec L (mH MIN) Sec DCR (Ω MAX) Vxτ (MAX) FIS105NL 1:50 4.7 0.5 175 µVS FIS115NL 1:100 18 2.0 350 µVS FIS125NL 1:200 76 4.5 700 µVS FIS155NL 1:500 470 16.0 1750 µVS FIS1105NL 1:1000 1900 50.0 3500 µVS Notes: L: Inductance: (1-3) tested at 10 KHz & 10 mV V x τ: V = Rt x ls τ = 2F1 Rt (Ω): Recommended Terminating Resistance Is (A): sec. current F(Hz): Frequency * Contact Pulse for availability Mechanicals FISXXX Schematics .591 15,00 1 4* .197 5,00 5 Sec. .492 12,50 2 Pr im . 3 .295 7,50 .118 3,00 .693 MAX 17,60 Pins 3 & 5 Part Number Date Code Country of Origin 3 2 5 1 .591 15,00 .472 12,00 Pins 1 & 2 Stand off 1,2 mm 0,5 mm FIS105NL/15NL/25NL/55NL FIS1105NL Weight .......................7.0 grams ....................8.0 grams Tray ................................30/tray ........................34/tray Inches mm .020 Unless otherwise specified, all tolerances are ± 0,50 Dimension: For More Information Pulse Worldwide Headquarters 12220 World Trade Drive San Diego, CA 92128 U.S.A. Pulse Europe Einsteinstrasse 1 D-71083 Herrenberg Germany Pulse China Headquarters Pulse North China Pulse South Asia Pulse North Asia B402, Shenzhen Academy of Room 2704/2705 135 Joo Seng Road 3F, No. 198 Aerospace Technology Bldg. Super Ocean Finance Ctr. #03-02 Zhongyuan Road 10th Kejinan Road 2067 Yan An Road West PM Industrial Bldg. Zhongli City High-Tech Zone Shanghai 200336 Singapore 368363 Taoyuan County 320 Nanshan District China Taiwan R. O. C. Shenzhen, PR China 518057 Tel: 886 3 4356768 Tel: 858 674 8100 Tel: 49 7032 7806 0 Tel: 86 755 33966678 Tel: 86 21 62787060 Tel: 65 6287 8998 Fax: 886 3 4356823 (Pulse) Fax: 858 674 8262 Fax: 49 7032 7806 135 Fax: 86 755 33966700 Fax: 86 2162786973 Fax: 65 6287 8998 Fax: 886 3 4356820 (FRE) 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, 2016. Pulse Electronics, Inc. All rights reserved. 1 pulseelectronics.com P537.E (06/16)