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Q4437-B Surface Mount
Flyback Regulator Transformer

For flyback regulator applications using LM258X SIMPLE SWITCHER®
Recommended and approved by National Semiconductor
500 Vrms isolation between windings
Custom versions available

SPECIFICATIONS

Dimensions Schematic diagram

View data sheet in Acrobat PDF format

National Semiconductor ref number	Coilcraft part number	L ± 15% (µH)	Turns ratio	Isolation pri/sec (Vrms)
T5	Q4437-B	55	1:.5:1.167:1.167	500

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Updated: July 21, 1999

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