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TSP-EFD20 SERIES（20-24）
POE Transformer
  • Designed to meet 30 W PoE IEEE 802.3at-2009 standard.
  • Operates at 250 kHz with 36 ~ 72 Volts input.
  • One minute isolation (hipot): 1500 Vrms, from primary to secondary,500 Vrms pri to aux.
  • Operating temperature range: -40°C~+125°C, self-temperature rise included.
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Datasheet

Product specifications
Pri.:Sec.:Aux
Pri.:Sec.:Aux
TSP-EFD20S20 42 3 70 2.3 220 1 : 0.09 : 0.33 2.6 36 ~ 72 3.3 , 9 30 1500 Flyback 802.3at Class 4
TSP-EFD20S21 42 1.6 69 5 225 1 : 0.14 : 0.33 2.6 36 ~ 72 5 , 6 30 1500 Flyback 802.3at Class 4
TSP-EFD20S22 42 0.55 61 15 195 1 : 0.33 : 0.33 2.6 36 ~ 72 12 , 2.5 30 1500 Flyback 802.3at Class 4
TSP-EFD20S23 42 0.43 60 37 195 1 : 0.56 : 0.33 2.6 36 ~ 72 19.5 , 1.5 30 1500 Flyback 802.3at Class 4
TSP-EFD20S24 42 0.31 60 55 195 1 : 0.67 : 0.33 2.6 36 ~ 72 24 , 1.25 30 1500 Flyback 802.3at Class 4

Notes:

1. All electrical specifications are referenced to 25°C ± 5°C ambient.
2. The inductance is for the primary, measured at 250 kHz, 0.5 Vrms, 0 ADC.
3. The leakage inductance is for the primary with the secondary and aux windings shorted.
4. Peak primary current drawn at minimum input voltage.
5. Output is for the secondary. Output of the aux winding is 12 V, 30 mA.

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