Wound to Spec
Toroidal Transformers, Wound to Spec
A toroidal transformer winds directly onto a continuous, gapless ring core. Because the magnetic path never breaks, there is far less stray field escaping the core, far less mechanical hum, and lower core loss than a comparable laminated E-I design — in a package that is typically shorter, lighter, and easier to mount flat.
That combination is why toroids end up in audio equipment, medical devices, and precision instrumentation: the same qualities that make them quiet electrically also make them quiet acoustically. We wind isolation, step-up, step-down, and medical-grade toroids to your voltages and VA rating, from a few VA up to 10 kVA, with the mounting hardware and lead configuration your build requires — and every unit is individually tested before it ships.
Applications
Where Toroidal Transformers Are Used
Wherever a transformer has to stay out of the way — electrically, acoustically, and physically.
Audio Equipment
Low mechanical hum and low radiated field — critical in amplifiers and studio gear.
Medical Devices
Low leakage current and compact, quiet power for patient-vicinity equipment.
Instrumentation
Keep stray magnetic fields away from sensitive measurement and signal circuitry.
Lighting & Controls
Efficient, low-profile power for lighting systems, control panels, and enclosures.
Keep Exploring
Explore More Custom Transformers
Industries Served
From NASA payloads to guitar amplifiers, Pacific Transformer's custom magnetics power some of the most demanding applications in the world. Our engineering team has deep experience across industries where compliance, performance, and reliability aren't optional — they're required.
FREQUENTLY ASKED QUESTIONS
Toroidal Transformers
Send Us Your Specs
Specs in — a quote back in 24 hours.
Tell us what you're building. A Pacific Transformer applications engineer reviews every request and responds with pricing and lead time — no forms routed to a sales queue.
24HR
Quote turnaround
Pricing and lead time within 24 hours
48HR
Prototype turnaround
A wound, tested prototype in 48 hours
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