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| Document 268 with For use ily 8C4x fam IC3 Micrel M Flyback Transformer - U6939-C Schematic 1 8 This product is not RoHS-compliant. Contact Coilcraft for current status or possible alternatives. This transformer has been specially designed to meet the requirements of Micrel's MIC38C4x family of BiCMOS current-mode PWM controllers. Free evaluation samples can be requested by contacting the Coilcraft sales office nearest you. Part number U6939-C Inductance1 8% (H) 380 DCR max (Ohms) (1-2) 0.580 (3-4) 0.120 (7-8) 0.011 Isolation (Vrms) (1-7,core) 2500 (1-3) 500 (3,7-core) 500 C Pri Sec 2 3 7 Ter D 4 Recommended Board Layout A 4 5 E F B 1. Inductance is for the primary, measured at 100 kHz, 1.0 Vrms, 0 Adc. 2. Operating temperature range -40C to +85C. 3. Electrical specifications at 25C. 1 8 0.047 0,12 A max 0.710 18,03 B max 0.930 23,62 C max 0.810 20,57 D nom 0.280 7,11 E 0.492 1,25 F 0.197 1,50 inches mm Specifications subject to change without notice. Document 268 Revised 9/10/01 (c) Coilcraft, Inc. 2007 |
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