FLYBACK TRANSFORMERS
P620F SERIES
•ꢀ Flyback transformers for 30 Watt PoE applications
•ꢀ Operating Frequency 250KHz with input voltage 36 to 72 Volts
•ꢀ Isolation 1500Vrms, 60 seconds (Pri, Aux to Sec)
•ꢀ Operating Temperature -40ºC to +125ºC
•ꢀ RoHS Compliant Product
•ꢀ Custom Design Available
ELECTRICAL PARAMETERS @ 25°C
Part Number
Power
(W)
Pri OCL
DCR
Pri LL
Turns Ratio
±5%
Output
Sec
(μH)
±10%
42
(mΩ MAX)
(μH MAX)
P620F-
33
Pri
Sec
Aux
0.22
Pri:Sec
Pri:Aux
1 : 0.33
1 : 0.33
1 : 0.33
1 : 0.33
1 : 0.33
V / A
3.3 / 9
30
30
30
30
30
0.070
0.069
0.061
0.060
0.060
0.0023
0.0050
0.0150
0.0370
0.0550
3.00
1.60
0.55
0.43
0.31
1 : 0.09
1 : 0.14
1 : 0.33
1 : 0.56
1 : 0.67
50
42
0.225
0.195
0.195
0.195
5.0 / 6
12
42
12 / 2.5
19.5 / 1.5
24 / 1.25
19
42
24
42
Note:
1.
2.
3.
4.
5.
6.
Primary OCL measured @ 250KHz 0.7Vrms
Primary Leakage L measured @ 250KHz 0.7Vrms with 7-8-9-10-11-12 shorted
DCR measured with windings in parallel
Hi-pot: 1500Vrms, 1mA, 60s (Pri, Aux to Sec); 1800Vrms, 1mA, 5s (Pri, Aux, and Core to Sec); 500Vrms, 1mA, 5s (between Pri, Aux, and Core)
Polarity: 1, 2, 5, 10, 11, and 12 are in phase
Ipk: 2.6Adc, ΔL < 10% from initial value
DIMENSIONS
SCHEMATIC
Dimensions
Unlessꢀotherwiseꢀspecified,ꢀallꢀtolerancesꢀare:
inch: .XX : ±0.010 .XXX : ±0.005
mm: X,X : ±0,254 X,XX : ±0,13
Productꢀperformanceꢀisꢀlimitedꢀtoꢀspecifiedꢀparameters.ꢀꢀDataꢀisꢀsubjectꢀtoꢀchangeꢀwithoutꢀpriorꢀnotice.ꢀ
Tel: 310-325-1043
Fax: 310-325-1044
www.mpsind.com
sales@mpsind.com