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Flyback Transformer
ELECTRONICS INC.
EPC3479G & EPC3479G-LF
Inductance (µH ± 5%)
@ 100 KHz, 1.0 Vrms
9.0
Pri.
DCR (mΩ Typ.)
13.5 270
2.4
Pri. Aux. Sec.
• 25W PoE Applications • Bobbin : UL94V-0 Recognized Materials • Storage Temperature : -40°C to +125°C • Operating Temperature : 0°C to +70°C • Class 130ºC Insulation System • Duty Cycle : 62% Max. • Switching Frequency : 250kHz • Add “-LF” after part for Lead Free
Electrical Parameters @ 25° C
Turns Ratio
Cw-w (pF Typ.)
Leakage Inductance (µH Max.)
@ 100 KHz, 1.0 Vrms
@ 100 KHz, 1.0 Vrms
1:0.25
1:0.75
75
0.300
Pri.:Sec.
Pri.:Aux.
Pri. to Aux. and Sec.
Pri. w/ Aux. and Sec. shorted
Dielectric Rating (Vrms)
1500 Wdg. - Wdg. Wdgs. - Core
Package
1 12
0.830 (21.08)
67
0.440 Max. (11.18)
0.004 (0.10)
1
Pri.
EPC3479G Datasheet
