Planar Transformer Selection Matrix

Size

Optimum
Power
Range

Maximum
Current
Rating

Typical
Topology

Optimum Frequency Range

Dimensions
L x W x H
inches

Isolation Voltage
Primary-Secondary
Primary - Core

P1100

10kW-30kW

600A

Full Bridge
Half Bridge
Full Bridge ZVS
Push-Pull

20-125 kHz

5.7" x 3.7" x 1.50"


5000 VDC

P560

3kW-10kW

400A

Full Bridge
Half Bridge

40-125 kHz

2.80"x2.52"x1.20"

5000 VDC

2.60"x2.52"x1.00"

500 to 2000 VDC

2kW-6kW

300A

Full Bridge
Half Bridge
Forward
Full Bridge ZVS
Push-Pull

40-150kHz

2.30" x 2.00" x 1.00"

5000 VDC

2.10" x 2.00" x 0.85"

500 to 2000 VDC

1kW-3.0kW

250A

Full Bridge
Half Bridge
Forward
Full Bridge ZVS
Push-Pull

60-200kHz

2.00" x 1.60" x 0.80"

5000 VDC

1.80" x 1.60" x 0.70"

500 to 2000 VDC

300W-1.2kW

100A

Full Bridge
Half Bridge
Forward
Full Bridge ZVS
Push-Pull

100-250 kHz

1.75" x 1.26" x 0.60"

5000 VDC

1.50" x 1.26" x 0.50"

500 to 2000 VDC

150W-700W

60A

Full Bridge
Half Bridge
Forward
Full Bridge ZVS
Push-Pull

100-250 kHz

1.57" x 1.12" x 0.50"

5000 VDC

1.32" x 1.12" x 0.50"

500 to 2000 VDC

100W-500W

50A

Full Bridge
Half Bridge
Forward
Full Bridge ZVS
Push-Pull
Flyback

150-300 kHz

1.38" x 1.035" x 0.40"

5000 VDC

1.13" x 1.035" x 0.40"

500 to 2000 VDC

50W-200W

50A

Half Bridge
Forward
Flyback

175-300 kHz

0.925" x 0.858" x 0.360"

500 to 2000 VDC

20W-150W

30A

Half Bridge
Forward
Flyback

200-400 kHz

0.900" x 0.780" x 0.300"

500 to 2000 VDC

10W-50W

20A

Forward
Flyback

300-500 kHz

0.670" x 0.620" x 0.250"

500 to 2000 VDC

(1) Length (L) may vary depending on terminals. Height (H) may vary depending on input / output requirements
(2) Current rating is 30% higher for through hole applications
(3) Available in both SMD and through hole versions


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