PoE Power Transformer Datasheet PoE+

ME35132 25W PoE+ Flyback Transformer

For 25W PoE+ synchronous flyback topology, 5V/5A output, 250 kHz switching, 1500 Vrms isolation, designed for ADI LT4276 / LTC4269-1, IEEE802.3at Type 2.

Model: ME35132
Category: PoE Power Transformer
Applications: PoE / PoE+ Communications Industrial

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Key Specifications

Note: always verify against the latest PDF datasheet.

Product Type

25W PoE+ synchronous flyback transformer

Standards / Compliance

IEEE802.3at (PoE+ Type 2); UL94V-0; UL1446 Class B (F optional)

Input / Output

36–57 Vdc in; 5.0 V / 5 A secondary; 12 V / 200 mA auxiliary

Frequency / Duty Cycle

250 kHz switching; 42% max duty cycle

Primary OCL / Leakage

39 µH ±10% @100 kHz; leakage 0.60 µH Max @100 kHz

Turns Ratio

Aux : Pri : Sec = 1 : 2 : 0.4 : 0.4

Isolation

1500 Vrms (winding-winding and windings to core)

Temperature / Package

-40°C to +125°C; EP13 geometry; for LT4276 / LTC4269-1

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