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  • Flyback transformers for 30 Watt PoE applications
  • Operating Frequency 250 kHz with input voltage 36 to 72 Volts
  • Isolation 1500 Vrms, 60 seconds (Primary, Auxiliary to Secondary)
Unit of Measure

Electrical Parameters at 25 ºC

Power

 N/A 30 W

Primary OCL (±10%)

 N/A 42 µH

Maximum Primary Direct Current Resistance (DCR)

 N/A 0.070 mOhm

Maximum Secondary Direct Current Resistance (DCR)

 N/A 0.0023 mOhm

Maximum Auxiliary Direct Current Resistance (DCR)

 N/A 0.220 mOhm

Maximum Primary Inductance LL

 N/A 3.00 µH

Primary : Secondary Turns Ratio (±5 %)

 N/A 1 : 0.09

Primary : Auxiliary Turns Ratio (±5 %)

 N/A 1 : 0.33

Secondary Output Voltage

 N/A 3.3 V

Secondary Output Current

 N/A 9 A

Specifications

Industry Standards / Certifications

 N/A RoHS Compliant

Isolation RMS Voltage (Vrms)

 N/A 1500 V

Isolation Time

 N/A 60 s

Operating Frequency

 N/A 250 kHz

Standard Operating Temperature Range

 N/A -40 to +125 ºC

Available Design

 N/A custom

Note

N/A

  1. Primary OCL measured @ 250 kHz 0.7 Vrms
  2. Primary Leakage L measured @ 250 kHz 0.7 Vrms with 7-8-9-10-11-12 shorted
  3. DCR measured with windings in parallel
  4. Hipot: 1500 Vrms, 1 mA, 60 s (Primary, Auxiliary to Secondary); 1800 Vrms, 1 mA, 5 s (Primary, Auxiliary, and Core to Secondary); 500 Vrms, 1 mA, 5 s (between Primary, Auxiliary, and Core) Polarity: 1, 2, 5, 10, 11, and 12 are in phase
  5. Ipk: 2.6 Adc, Δ L < 10% from initial value
Product performance is limited to specified parameters. Data is subject to change without prior notice.

Dimensions
Unless otherwise specified, all tolerances are:
inch: .XX : ±0.010 .XXX : ±0.005
mm: X.X : ±0.254 X.XX : ±0.13