Coilcraft MA5597 Flyback Transformer for NCP1072DIPGEVB
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Flyback Transformer
for ON Semiconductor NCP1072

  • Selected for use with ON Semiconductor NCP1072DIPGEVB Evaluation Board
  • Designed for for universal input, 85 – 265 Vac
  • 2000 Vrms, one minute primary  to secondary isolation
  • Operates in continuous conduction mode at 30 kHz
  • RoHS-compliant. Matte tin over copper terminations.


Part number
Click to get parts
at 0 Adc1
±10% (mH)
DCR max (Ohms)2 Leakage
max (µH)
Turns ratio Output
pri sec aux pri : sec pri : aux
MA5597-AL 3.4 2.22 0.047 0.376 58.32 1 : 0.125 1 : 0.133 12 V, 0.5 A (sec)
12.85 V, 0.02 A (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 is for the primary,tested 100 kHz, 0.1 Vrms with the secondary shorted.
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 Maximum part temperature: +125°C (ambient + temp rise)
7 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.

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Updated: April 16, 2018