Switch Mode Transformers photo

5 kW Switchmode Switching Transformer

West Coast Magnetics' 409 series power transformers can handle from 1.5 to 9.0 kW of power, depending on switching frequency. This custom switchmode transformer can be adapted to any input or output configuration. Typical topologies are forward converter, full bridge and push-pull. This switchmode transformer can also serve as an isolation transformer with some deviation of power from levels shown in the table below.

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Design Constants
Size CodeAl(+30%,-20%)Ae core area (cm2)le magnetic path length (cm)Ve core volume (cm3)Wa bobbin winding area (cm2)WaAc core area x winding area (cm4)Bobbin window width(mm)Bobbin window height(mm)Mean length per turn (cm) Weight (kg)
E 7197106.7614.91024.9533.543.811.316.41.0
E 721940013.5214.42044.9566.943.811.321.51.7
E 732915020.2814.93064.95100.543.811.326.62.4
output frequency

Output Power vs Frequency of Operation (Watts)

Size Code10 kHz25 kHz50 kHz100 kHz200 kHz
E 7116002200300040005200
E 7229004000540072009300
E 73320044006000800010000
schematics

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Size/CodeWHLX1X2
E 712.85/7.243.0/7.623.05/7.751.70"/4.322.10"/5.33
E 722.85/7.243.0"/7.624.10"/10.412.90"/7.372.10"/5.33
E 732.85/7.243.0/7.625.25/13.344.38/11.132.10/5.33

Note: All materials of construction minimum Class B 130 degrees C rated.

Dimensions: Inches/mm

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