74087

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5 + 5 V or 12 + 12 V or 3.3 + 5 + 12 V MYRRA P/N 74087 - 74088 - 74089 Product designation FLYBACK TRANSFORMER - EF20 MECHANICAL CHARACTERISTICS - PINOUT 74087 - 74089 Pin 3 Removed PCB drilling diameter : 1.2 mm 74088

ELECTRICAL CHARACTERISTICS

Pins Turns Voltage Maximum current Inductance (+/- 10 %) 74087 24.0 W P 4 - 5 86 85 ~ 265 Vrms 1.0 Apk 1.0 mH Aux. 2 - 1 12 11.0 - 18.0 VDC 0.3 ADC S1 6 - 7 10 9.0 - 15.0 VDC 1.50 ADC S2 9 - 10 10 9.0 - 15.0 VDC 1.50 ADC 74088 20.0 W P 4 - 5 80 85 ~ 265 Vrms 0.90 Apk 1.1 mH Aux. 2 - 1 17 15.0 VDC 0.30 ADC S1 7 - 8 4 3.3 VDC S1 + S2 : 7.0 ADC S2 6 - 8 6 5.0 VDC S3 9 - 10 14 12.0 VDC 1.3 ADC 74089 20.0 W P 4 - 5 86 85 ~ 265 Vrms 0.85 Apk 1.3 mH Aux. 2 - 1 12 7.0 - 18.0 VDC 0.30 ADC S1 6 - 7 5 3.0 - 7.5 VDC 2.00 ADC S2 9 - 10 5 3.0 - 7.5 VDC 2.00 ADC REMARKS RoHS compliant UL94 V-0 materials Class B Ambient temperature: 50 °C max. P / S : Creepage distances ≥ 8.0 mm 4.0 kV dielectric test Construction conforms to IEC60950, IEC60335 and IEC61558-2-16 for reinforced isolation M. KOME Rev. A Change P polarity Sep., 13th 2018 6 +S1 7 0V 9 +S2 10 0V +E 5 DRAIN 4 +Aux. 2 0V 1 +E 5 DRAIN 4 +Aux. 2 0V 1 6 +S2 7 +S1 8 0V 9 +S3 10 0V