Coilcraft CR8076 Flyback Transformer for Maxim MAX17497A/B Peak-Current-Mode Converters
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SMT Flyback Transformer
for Maxim MAX17497A/B

  • Developed for use with the Maxim MAX17497A/B AC-DC and DC-DC Peak-Current-Mode Converters for wide input-voltage nonisolated power supplies to supply multiple output rails for smart meters, industrial control and similar applications.
  • Taps for 15 V, 7.5 V and 5 V outputs
  • Meets functional insulation class for use in nonisolated applications.
  • 1000 Vrms isolation, one minute from primary to secondary
  • RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over nickel over phos bronze terminations


Part number1
Click to get parts
at 0A2
±10% (µH)
at 0.4 Adc
typ (µH)
DCR max (Ohms)3 Leakage
max (µH)
Turns ratio
Pri : 15 V : 7.5 V : 5 V
CR8076-AL_ 250237.50.306 (pins 1 – 4)
0.044 (pins 7 – 8)
0.016 pins 6 – 7)
0.030 pins 5 – 6)
2.7 1 : 0.125 : 0.042 : 0.083
1 When ordering, please specify packaging code: e.g. CR8076-ALD
  Packaging:D = 13" machine-ready reel
EIA 481 embossed plastic tape (200 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 is for the primary, measured at 250 kHz, 0.1 Vrms.
3 DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
4 Leakage inductance is for the primary winding with the secondary windings shorted.
5Ambient temperature range: −40°C to +85°C
6Storage temperature range: Component: −40°C to +85°C
Tape and reel packaging: −40°C to +80°C
7 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.
8Electrical 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