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Flyback Transformer for
STMicroelectronics STEVAL-ILL055V1

  • Developed for STMicroelectronics STEVAL-ILL055V1 offline LED drive design
  • 1500 Vrms, one minute isolation (hipot) from primary and aux to secondary
  • Designed for 11 Watt applications with 185 – 264 Vac input
  • 20 V, 10 mA auxiliary winding output
  • RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over nickel over phos bronze terminations.

SPECIFICATIONS


Part number1
Click to get parts
Power
(W)
L at 0 A2
±10% (mH)
DCR max (Ohms)3 Leakage
L max4
(µH)
Turns ratio Output5
pri sec aux pri : sec pri : aux
PA6284-AL_ 11 1.4 3.03 0.085 0.57 25 1 : 0.136 1 : 0.144 12 – 18 V,
0.64 A
1 When ordering, please specify packaging code: e.g. PA6284-ALD
Packaging: D = 13" reel, machine-ready 
EIA-481 embossed plastic tape (175 parts per full reel).
B = Less than full reel
In tape, but not machine-ready. To have a leader and trailer added ($25 charge), use code letter D instead.
2 Inductance measured at 100 kHz, 1.0 Vrms, 0 Adc
3 DCR for the secondary is with the windings connected in parallel, measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
4 Leakage inductance is for the primary and is measured with the secondary shorted.
5 Output is of the secondary winding. Auxiliary winding output:20 V, 10 mA.
6 Ambient temperature range: −40°C to +85°C
7 Storage temperature range: Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C
8 Maximum part temperature: +125°C (Ambient + temperature rise)
9 Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
10 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 11, 2017