WCM430-10, 20, 30, 40, 50, and 60 SMPS Switch Mode Transformers

This new series was designed for applications requiring very high power density, and low emitted EMI. The core geometry was designed to equalize flux distribution throughout the core and minimize board space. The core material has very low loss at frequencies from 100kHz to 500kHz. The standoff between core and bobbin has creepage and clearance values which exceed competitive geometries, making the WCM430 series suitable for high voltage applications. This series puts out 10 watts to 700 watts of power.

Output power vs frequency of operation (watts)

Power Handling (Watts) 100 kHz 200 kHz 400 kHz 600 kHz 1 MHz
WCM430-60 238 314 405 524 714
WCM430-50 98 130 167 216 295
WCM430-40 41 54 70 91 124
WCM430-30 17 22 28 37 50
WCM430-20 6 7 9 12 17
WCM430-10 3 4 5 7 10

Engineering Data

Ae Core Area (mm²) Le Magnetic Path Length (mm) Ve Core Volume
(mm³)
Wa Bobbin Winding Area (mm²) WaAc Core Area Winding Area (mm⁴) Bobbin Window Width (mm) Bobbin Window Height (mm) Mean Length Per Turn (in) Core Material 25kHz to 500kHz
430-60 63.9 68.0 3623 82.9 5297.3 17.2 4.8 2.17 WCM-F200
430-50 39.4 54.1 2065 49.5 1949.7 13.4 3.7 1.72 WCM-F200
430-40 25.4 42.9 989 28.8 731.3 10.3 2.8 1.34 WCM-F200
430-30 15.9 34.1 494 16.6 263.5 8.0 2.1 1.07 WCM-F200
430-20 7.4 27.2 247 10.6 78.4 6.4 1.7 0.85 WCM-F200
430-10 6.3 21.1 123 6.2 39.5 4.9 1.3 0.68 WCM-F200

Product Description

This new series was designed for applications requiring very high power density, and low emitted EMI. The core geometry was designed to equalize flux distribution throughout the core and minimize board space. The core material has very low loss at frequencies from 100kHz to 500kHz. The standoff between core and bobbin has creepage and clearance values which exceed competitive geometries, making the WCM430 series suitable for high voltage applications. This series puts out 10 watts to 700 watts of power.

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