Magnetic shunt holder for LLC resonant transformer

I'm designing a LLC resonant power supply at the moment and needed a custom transformer with a magnetic shunt path in it, so I designed this holder to add some additional pieces of ferrite between the windings on a commercial coil former. The transformer can run quite hot (up to 100°C), which is why I let PCBWay print the parts in PA-GF. I'm really happy with the results! The tolerances are great (<0.1mm) and I got the parts super quickly! :)




Jul 15,2025
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HDI PCB
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Rigid-Flex
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2 Layers
1.6mm
CNC
Machining
Sheet Metal
3D Printing
Injection
Molding
Aluminum
Aluminum
Resin
ABS
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