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| Document 735 Flyback Transformer For Linear Technology LT3751 Capacitor Charger Controller * Flyback transformer for the Linear Technology LT3751 Capacitor Charger Controller * 120 - 377 V input; up to 500 V output * 3000 Vrms isolation from primary to secondary windings Core material Ferrite Terminations RoHS tin-silver over tin over nickel over phos bronze. Other terminations available at additional cost. Weight 37.3 g Ambient temperature -40C to +85C Storage temperature Component: -40C to +85C. Packaging: -40C to +80C Resistance to soldering heat Max three 40 second reflows at +260C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 64 per tray PCB washing Only pure water or alcohol recommended Part number HA4061-AL Inductance at 0 A1 10% (H) 125 Inductance at Ipk2 min (H) 112.5 DCR max (Ohms)3 pri sec 0.203 1.40 Leakage inductance4 max (H) 9.17 Turns ratio5 pri : sec 1:3 Ipk2 (A) 5.0 Volt-time product typ (V sec) 625 1. Inductance is measured at 100 kHz, 0.1 Vrms. 2. Peak primary current drawn at minimum input voltage. 3. DCR is with the windings connected in parallel. 4. Leakage inductance is for both windings of the primary with the secondary windings shorted. 5. Turns ratios are with the primary and secondary windings connected in parallel. 6. Electrical specifications at 25C. Refer to Doc 362 "Soldering Surface Mount Components" before soldering. Dot indicates pin 1 1 12 HA4061-AL CCI0843 1.10 max 27,9 6 7 1.17 max 29,8 0.15 3,81 1 12 1 2 8 7 Recommended PC Board Layout 0.30 7,62 0.996 max 25,3 0.13 3,3 Pri 11 12 Sec 6 5 6 7 Primary windings and secondary windings to be connected in parallel on PC board. 1.00 25,4 Dimensions are in inches mm 0.040 1,016 0.031 0,80 0.98 24.9 1.00 25,4 Specifications subject to change without notice. Please check our website for latest information. Document 735 Revised 02/09/09 (c) Coilcraft, Inc. 2009 |
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