U6939-C COILCRAFT | Alldatasheet
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© Coilcraft, Inc. 2007 Flyback Transformer – U6939-C Document 268 Specifications subject to change without notice. Document 268 Revised 9/10/01 D E F A C B 0.047 0,12 Schematic Recommended Board Layout Pri Ter Sec Part Inductance 1 DCR max Isolation number ±8% (µH) (Ohms) (Vrms) U6939-C 380 (1-2) 0.580 (1-7,core) 2500 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 contact- ing the Coilcraft sales office nearest you. A max B max C max D nom E F 18,03 23,62 20,57 7,11 1,25 1,50 mm 1. Inductance is for the primary, measured at 100 kHz, 1.0 Vrms, 0 Adc. 2. Operating temperature range -40°C to +85°C. 3. Electrical specifications at 25°C. For use with Micrel MIC38C4x family This product is not RoHS-compliant. Contact Coilcraft for current status or possible alternatives.