HIGH FREQUENCY PLANAR
TRANSFORMERS
PA09XXNL Series (up to 250W)
Power Rating: up to 250W
Height: 9.1mm to 10.4mm Max
Footprint: 29.5mm x 26.7mm Max
Frequency Range: 200kHz to 700kHz
Isolation (Primary to Secondary): 1750VDC
Electrical Specifications @ 25°C — Operating Temperature -40°C to +125°C
DCR (m MAX)
Primary*
Inductance
(µH MIN)
Leakage**
Inductance
(µH MAX)
Maximum
Height
(mm)
Turns Ratio
Part
Schematic
Primary Primary Primary
Number
Secondary
Primary Secondary
A
B
Aux.
DOUBLE INTERLEAVE DESIGNS (HIGHER EFFICIENCY, LOWER DCR AND LOWER LEAKAGE)
PA0901NL
PA0903NL
PA0905NL
PA0907
4T & 4T
216
340
480
660
860
216
340
480
660
860
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
13
15
21
50
60
13
15
21
50
60
13
15
21
50
60
13
15
21
50
60
—
235
78
5T & 5T (w/5T aux)
6T & 6T (w/2T aux)
7T & 7T (w/3T aux)
8T & 8T
4T
A1
A2
4.5
10.2
10.2
(1T:1T:1T:1T)
100
—
PA0909NL
PA0908NL
PA0910NL
PA0912NL
PA0914NL
PA0916
4T & 4T
—
5T & 5T (w/5T aux)
6T & 6T (w/2T aux)
7T & 7T (w/3T aux)
8T & 8T
235
78
1T & 1T
0.56 & 0.56
100
—
SINGLE INTERLEAVE DESIGNS (LOWER COST)
PA0930
PA0931NL
PA0932
PA0933
PA0946
PA0934
PA0935
PA0936
PA0937
PA0947NL
PA0938
PA0939
PA0940
PA0941
PA0948
PA0942
PA0943NL
PA0944
PA0945
PA0949
4T
54
85
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
13
15
21
50
60
13
15
21
50
60
13
15
21
50
60
13
15
21
50
60
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
470
156
200
—
5T (w/5T aux)
6T (w/2T aux)
7T (w/3T aux)
8T
4T
B1
B2
120
165
215
54
4.5
9.1
9.1
9.1
9.1
(1T:1T:1T:1T)
4T
—
5T (w/5T aux)
6T (w/2T aux)
7T (w/3T aux)
8T
85
470
156
200
—
7T & 7T
1T & 1T
2T & 1T
120
165
215
54
40 & 40
4T
—
5T (w/5T aux)
6T (w/2T aux)
7T (w/3T aux)
8T
85
470
156
200
—
B2
B3
120
165
215
54
1.12 & 1.12
4T
—
5T (w/5T aux)
6T (w/2T aux)
7T (w/3T aux)
8T
85
470
156
200
—
120
165
215
1.8 & 0.6
Notes: *Inductance is measured, where applicable, with both primary windings connected in series (2 to 5, with 3 and 4 shorted).
**Leakage inductance is measured with both primary windings connected in series (where applicable) with all other windings shorted.
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92
SPM2007 (5/10)