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TSP-EFD20 SERIES（11-14）
POE Transformer
  • Designed for active clamp forward topology.
  • Designed to meet IEEE802.3bt(PoE++) standard and operates with 36 ~ 57 V input.
  • Includeing a 12-Volt auxiliary winding.
  • Isolation: 1500 Vrms, one minute primary and aux to secondary; 500 Vrms primary to auxiliary.
  • Operating temperature range: -40°C~+125°C, self-temperature rise included.
  • Ideal for high power PoE applications including Smart Building and IoT.
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Datasheet

Product specifications
Pri.:Sec.:Aux
Pri.:Sec.:Aux
TSP-EFD20S11 100 0.55 35 2.3 185 6 :1 :3.5 36 ~ 57 3.3 , 18.18 60 1500 Active Clamp Forward 802.3bt Class 7 - 8
TSP-EFD20S12 100 0.3 35 2.7 185 4 :1 :2.3 36 ~ 57 5.0 , 12 60 1500 Active Clamp Forward 802.3bt Class 7 - 8
TSP-EFD20S13 100 0.17 35 8 156 2 :1 :1 36 ~ 57 12 , 5.0 60 1500 Active Clamp Forward 802.3bt Class 7 - 8
TSP-EFD20S14 100 0.14 35 30 156 1 :1 :0.5 36 ~ 57 24 , 2.5 60 1500 Active Clamp Forward 802.3bt Class 7 - 8

Notes:

1. All electrical specifications are referenced to 25°C ± 5°C ambient.
2. The inductance is for the primary, measured at 200 kHz, 0.1 Vrms, 0 ADC.
3. The leakage inductance is for the primary with all secondary windings shorted.
4. DCR for the primary and the secondary is measured with the windings connected in parallel.
5. Turns ratio is with the primary windings and the secondary windings connected in parallel.
6. Output is with the secondary windings connected in parallel. Output of the aux winding is 12 V, 30 mA.

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