Continuous/Discontinuous Flyback Transformer Multiple Output Transformer Frequency Range: 80 kHz to 250 kHz Isolation (Secondary to Primary): 5100 VDC Height: 1.36 Inch MAX Class F Insulation Dual Primary Interleave for lower Leakage Inductance Outer EMI Shield Electrical Specifications @ 25° C - Operating Temperature -40° C to +155° C Primary Inductance Part Number PL2983NL-1 Primary Leakage (uH) Inductance (uH MAX) (1-3) (-40° C to +125° C) (1-3) 167-203 3.00 Turns Ratio ( Test on Ungapped core) DCR Hi-Pot (mΩ MAX) (VDC 6S) (6-7) (1-3) (6-7) (1-3) (8-9) (1-3) (10-11) (1-3) (12-14) (6-7) (8-9) (6-7) (10-11) (6-7) (12-14) (1-3) 7.5 7.5 7.5 7.5 1.0 1.0 1.0 55.0 (8-9) (12-14) See Note 4 See Note 5 3.6 5100.0 2550.0 (10-11) 25.0 Notes: 1. ET max 700V-usec.Typical frequency 200 kHz. MSL 1. 2. Part is designed for temperature rise: 45°C MAX. 3. Storage temperature: -55°C to 155°C. 4. Primary to outputs 1, 2, 3 and 4; all windings to core; Output 1 to output 2, 3 and 4; 5. Output 2 to output 3 and 4; Output 3 to output 4. Mechanical Schematic PL2983NL-1 Between the primary winding and output windings, between the primary winding and core, and between the output 1 winding and output 2 thru 4 windings, this part is designed to comply with the spacing (creepage and clearance) and insulation requirements for reinforced insul ation up to a working voltage of 400VRMS per IEC60664-1. The part is intended for equipment energized from a low voltage mains with rated impulse voltage up to 4000V. Clearances are adjusted for altitude up to 3000 meters. Parts are 100% HIPOT tested in production. All insulating materials meet or exceed flammability classification U L94V-0. Double insulated EMI band is connected to PIN 7. For More Information Pulse North America Headquarters Two Pearl Buck Court Bristol, PA 19007 U.S.A. Pulse Europe Zeppelinstrasse 15 71083 Herrenberg Germany Pulse China Headquarters B402, Shenzhen Academy of Aerospace Technology Bldg. 10th Kejinan Road High-Tech Zone Nanshan District Shenzen, PR China 518057 Pulse North China Room 2704/2705 Super Ocean Finance Ctr. 2067 Yan An Road West Shanghai 200336 China Pulse South China 135 Joo Seng Road #03-02 PM Industrial Bldg Singapore 368363 Pulse North Asia 3F, No 198 Zhongyuan Road Zhongli City Taoyuan County 320 Taiwan R.O.C Tel: 886 3 4356768 Tel: 215 781 6400 Fax: 215 781 6403 Tel: 49 7032 7806 0 Fax: 49 7032 7806 135 Tel: 86 755 33966678 Fax: 86 755 33966700 Tel: 86 21 62787060 Fax: 86 2162786973 Tel: 65 6287 8998 Fax: 65 6287 8998 Fax: 886 3 4356823 (Pulse) 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, 2012. Pulse Electronics, Inc. All rights rese rved. 1 pulseelectronics.com PRELIMINARY M250(7/15)