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GA3366-BL Datasheet, PDF (1/1 Pages) Coilcraft lnc. – Flyback Transformer
Document 656
Flyback Transformer ForONSemiconductor
NCP1606 PFC Controller
• Designed for 90 Watt applications
• Operates in discontinuous conduction mode with an input of
85 – 265 Vac, 1.28 Arms maximum
• 3000 Vrms isolation from primary and auxiliary to secondary
Core material Ferrite
Terminations RoHS compliant tin-silver over tin over copper. Other
terminations available at additional cost.
Weight 68 g
Ambient temperature –40°C to +125°C
Storage temperature Component: –40°C to +125°C.
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 30 parts per tray
PCB washing Only pure water or alcohol recommended
Part
number
GA3366-BL
Inductance
at 0 A1
±10% (µH)
300
Inductance
at Ipk2
(µH)
270
DCR max (Ohms)3
pri aux sec
0.180 0.073 0.0053
Leakage
inductance
max (µH)
7.45
Turns ratio4
pri : aux pri : sec
1 : 0.118 1 : 0.147
Ipk2
(A)
Output5
3.3 19.5 V, 4.62 A
1. Inductance measured at 100 kHz, 1.1 Vrms, 0 Adc using an Agilent/
HP 4263B impedance analyzer or equivalent.
2. Peak primary current drawn at minimum input voltage.
3. DCR for the secondary is with the windings connected in parallel.
4. Turns ratio is with the secondary windings connected in parallel.
5. Output of the auxiliary winding is 16 V, 20 mA.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Dot indicates pin 1
1.15
29,2
max
1
Pri
3
7
Aux
8
15
14
13
Sec
12
11
10
Secondary windings to be connected
in parallel on the PC board
0.177min
4,5
8
0.039
1,0
1.71
43,5
max
9
1.378
35,0
1.59 max
40,5
1
Dimensions are in
inches
mm
0.197
5,0
Recommended
PC Board
Layout
16
0.055
1,4
© Coilcraft, Inc. 2009
Specifications subject to change without notice.
Please check our website for latest information.
Document 656 Revised 01/20/09