Coilcraft JA4224 PFC Boost Inductor
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PFC Boost Inductor for
ON NCP1607 and NCP1608

  • Developed for ON Semiconductor NCP1606 / 7 / 8 PFC controllers.
  • Replaces FA2890-CL boost inductor
  • Designed to operate in 100 Watt applications.
  • Auxiliary winding provides Zero Current Detection (ZCD) information
  • 1000 Vrms isolation winding to winding and from each winding to the core.


Part number
Click to get parts
±10% (µH)
at Ipk
min (µH)
I pk
DCR max (Ohms)2 Leakage
max (µH)
Turns ratio
pri: aux
Irms (A)4
JA4224-AL 400 380 4.0 0.29 0.38 115 10 : 1 1.7 2.8
1 Inductance measured at 100 kHz, 0.1 V, 0 Adc using an Agilent/HP 4263B impedance analyzer or equivalent.
2 DCR measured on Cambridge Technology micro-ohmmeter at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
3 Leakage inductance is for the primary and measured with pins 6 and 12 shorted.
4 Irms: Current that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.
5 Ambient temperature range: −40°C to +85°C with (40°C) Irms current
6 Storage temperature range: Component: −40°C to +85°C
Packaging trays: −40°C to +80°C
7 Maximum part temperature: +125°C (Ambient + temperature rise)
8 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.
PCB washing: Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info

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Updated: April 16, 2018