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Document 737
PFC Boost Inductor For ON Semiconductor
NCP1607 and NCP1608
PFC Controllers
Designed to operate in 100 Watt applications.
Referenced as LBOOST in application notes AND8353/D and
AND8396/D.
Auxiliary winding provides zero current detection (ZCD) infor-
mation and can also supply power to the chipset.
1000 Vrms winding to winding isolation
Core material Ferrite
Terminations  RoHS compliant tin-silver over tin over copper over
copper-steel
Weight  45.6 g
Ambient temperature  –40°C to +85°C with Irms current, +85°C to
+125°C with derated current
Storage temperature  Component: –40°C to +85°C.
Tray packaging: –40°C to +80°C
Moisture Sensitivity Level (MSL)  1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging  120 parts per tray
PCB washing  Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf.
Ind uctance1 IndautcItpakn ce Ipk DCR m ax (Ohms)2  inLdeuacktaagnece3 Turns ratio     Irms (A)4
Part number ±10% (µH) min (µH) (A) pri (1– 7)  aux (6 –12) max (µH) pri : aux 20°C rise 40°C rise
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 4284A impedance analyzer or equivalent.
2. DCR measured on Cambridge Technology micro-ohmmeter.
3. Leakage inductance is for the primary and measured with pins 6 and 12
shorted.
4. Current that causes a 40ºC temperature rise from 25°C ambient.
5. Electrical specifications at 25°C.
Irms Derating
1.44
36,6
max
Dot indicates pin 1
1 Pri 7
6 Aux 12
120
110
100
90
80
70
60
50
40
30
20
10
0
-40
-20
0.142
3,60
6
0.689
17,5
1.24
31,5
max
1
0 20 40 60 80 100 120 140
Ambient temperature (°C)
0.92
23,4
max
Dimensions are in
inches
mm
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
0.031
0,80
Recommended
PC Board Layout
71
0.197
5,0
12
0.060
1,50
0.689
17,5
Document 737  Revised 04/22/09
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.