flyback transformer document 518 document 518 revised 12/02/08 inductance leakage part at 0 a 1 dcr max (ohms) inductance 2 turns ratio number 10% (mh) pri sec aux max (h) pri : sec pri : aux output DA2077-AL 3.4 2.53 0.042 0.574 114 1 : 0.06 1 : 0.15 5 v, 2 a (sec) 12.5 v, 10 ma (aux) the DA2077-AL fyback transformer has been specifcally developed for use with on semiconductors ncp1027 standby power supply for atx applications and is speci - fed in application note and8241/d. this transformer is designed for universal input, 85 C 265 vac. it operates in continuous conduction mode within an input voltage range of 120 vdc to 375 vdc and at a 65 khz switching frequency. primary to secondary isolation is 2000 vrms tested for one minute. coilcraft can also custom engineer a transformer to meet your specifc requirements. for free evaluation samples, contact coilcraft or visit www.coilcraft.com . 0.950 24,13 0.150 0.030 3,81 0,76 5 1 6 10 bottom vie w recommended boar d la y out 1 0.200 5,08 0.150 3,81 0.620 15,75 0.620 15,75 (7 places) 1.100 27,94 max 1.100 27,94 max max 0.0346 0,879 0.060 1,52 for on semiconductor ncp1027 6 9 10 7 1 5 a uxiliar y pr imar y secondar y 1. inductance is for the primary, measured at 10 khz, 0.1 vrms, 0 adc 2. leakage inductance tested at 100 khz, 0.1 vrms 3. operating temperature range -40c to +85c. 4. electrical specifcations at 25c. weight: 16.5 g terminations: matte tin over copper packaged: 49 parts per tray us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2013 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check web site for latest infor mation.
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