Power supply manufacturers need magnetic components that combine stable electrical performance, reliable insulation and repeatable production quality. Fusign Electronics manufactures custom transformers, inductors, ferrite cores, bobbins and common mode chokes for AC-DC, DC-DC and switching power supply applications.
Application overview
Magnetic components are central to power conversion. They influence efficiency, temperature rise, EMI behavior, safety isolation and the mechanical layout of the final power supply. A transformer, inductor or choke that is only close to the target specification can still create noise, heat or production instability.
Fusign supports OEM and ODM power electronics projects by manufacturing components according to drawings, samples, electrical specifications or application requirements. The goal is to help customers move from prototype to stable production with components that fit both circuit performance and assembly constraints.
Typical power supply applications include adapters, industrial control power supplies, auxiliary power modules, LED driver supplies, communication power boards, battery chargers and embedded electronics.
Typical magnetic components
- High frequency transformers for isolation, voltage conversion and flyback or forward power stages.
- SMD and through-hole power inductors for energy storage and ripple current filtering.
- Common mode chokes and line filters for conducted EMI suppression.
- Mn-Zn ferrite cores, bobbins and alloy cores for custom magnetic designs.
- Encapsulated transformers for compact low-power AC-DC auxiliary supply modules.
Engineering and manufacturing considerations
Power supply magnetic components should be selected with clear attention to operating frequency, inductance, current rating, saturation margin, insulation requirement, leakage inductance, winding resistance and available board space.
For production projects, mechanical repeatability is just as important as the electrical target. Fusign can support pin layout, bobbin selection, winding arrangement, insulation tape, varnishing, lead wire and packaging requirements so the part can be assembled consistently.
Recommended product categories
- Switching Power Transformer: custom high frequency transformer families for power conversion circuits.
- Common Mode Choke: EMI suppression components for power input and output filtering.
- Ferrite Core: Mn-Zn and Ni-Zn ferrite core options for transformer and inductor design.
Related Fusign products
High Frequency Power Transformer
Custom high frequency transformer options for switching power supply designs.
Customization support
- Winding structure and turn ratio based on customer electrical requirements.
- Core and bobbin selection according to size, power level and frequency.
- Insulation, shielding and pin layout options for safety and assembly needs.
- Manufacturing according to sample, drawing or customer specification.
FAQ
Can Fusign make transformers according to my power supply drawing?
Yes. Fusign can manufacture custom magnetic components according to drawings, samples or electrical specifications.
Do you provide both transformers and EMI chokes?
Yes. Fusign manufactures transformers, inductors, common mode chokes, ferrite cores, bobbins and alloy magnetic cores.
What information is useful for quotation?
A drawing, sample, target inductance, current rating, operating frequency, core size, pin layout and application notes are helpful for review.
Discuss your custom magnetic component project
Share your drawing, sample, electrical specification or application requirement with Fusign Electronics. Our team can help review winding structure, core selection, size constraints and production options for transformers, inductors, chokes, ferrite cores, bobbins and alloy magnetic cores.