Item # P620F-33, 9 Ampere (A) Secondary Output Current P620F Series Flyback Transformer On MPS Industries, Inc.

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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 | Specifications | Note

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 L_L	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

Primary OCL measured @ 250 kHz 0.7 Vrms
Primary Leakage L measured @ 250 kHz 0.7 Vrms with 7-8-9-10-11-12 shorted
DCR measured with windings in parallel
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
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