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Flyback Transformer
for ON Semiconductor NCP1027

  • Developed for use with ON Semiconductor NCP1027 Standby Power Supply
  • Specified in Application Note AN8241/D
  • Designed for for universal input, 85 – 265 Vac
  • 2000 Vrms, one minute primary  to secondary isolation
  • Operates in continuous conduction mode at 120 Vdc – 375 Vdc, 65 kHz
  • RoHS-compliant. Matte tin over copper terminations.

SPECIFICATIONS


Part number
Click to get parts
Inductance
at 0 Adc1
±10% (µH)
DCR max (Ohms)2 Leakage
inductance3
max (µH)
Turns ratio Output
pri sec aux pri : sec pri : aux
DA2077-AL 3400 2.53 0.042 0.574 114 1 : 0.06 1 : 0.15 5 V, 2 A (sec)
12.5 V, 10 mA (aux)
1 Inductance is for the primary, measured at 10 kHz, 0.1 Vrms, 0 A.
2 DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
3 Leakage inductance tested 100 kHz, 0.1 Vrms.
4 Ambient temperature range: −40°C to +85°C
5 Storage temperature range: Component: −40°C to +85°C
Packaging trays: −40°C to +80°C
6 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.

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Updated: April 11, 2017