Custom magnetics · Since 1981
Custom or catalog — one expert partner.
You don't have to choose between speed and precision. Thousands of proven designs go straight to production. Our engineers design the parts that don't exist yet — often at off-the-shelf cost.
- 24 h
- Quote turnaround
- 48 h
- Prototype in hand
- 45M+
- Transformers shipped
Trusted by the leaders
What are you looking for?
Start from a blank sheet
or from 40 years of proven designs.
01 · Custom Parts
Designed for your application. Built in days.
02 · Catalog Parts
Thousands of proven designs. No wait for engineering.
Browse by type
Magnetics, from signal-level toroids to 750+ KVA
01 / 05 · Transformers Step-down, isolation, three-phase, and everything between
Single- and three-phase power, control, and isolation transformers — wound to your voltages, footprint, and agency requirements.
02 / 05 · Toroidals Compact, quiet, efficient
Low stray field and low hum for medical, audio, and instrumentation — at a fraction of the size of laminated cores.
03 / 05 · Inductors Inductors built around your circuit
Power and filter inductors modeled before anything is wound, so the first prototype is close to the last.
04 / 05 · Chokes Clean power, passed the first time
Common- and differential-mode chokes designed with agency testing in mind.
05 / 05 · Power solutions From component to complete assembly
Enclosed units, multi-component assemblies, and power subsystems — engineered, built, and tested as one part number.
Industries
Built for programs that can't fail.
Mars rovers. Nuclear submarines. Diagnostic imaging. Tesla Superchargers. The applications vary — the standard doesn't.
Engineering
The transformer you think is impossible might just be Tuesday for us.
Companies come to us after hearing "it can't be done" everywhere else. We don't just build to your spec — we help you find the right one.
- V in
- 480 V
- V out
- 120 V
- Ratio
- 4 : 1
- Freq
- 60 Hz
- 01 · Defense Fit a full-rated transformer through a submarine hatch.
- 02 · Aerospace Magnetics that survive the surface of Mars — and weigh almost nothing.
- 03 · Optimization A catalog part at half the size and a third of the cost.
Why Pacific Transformer
Plenty of shops can wind a transformer. We handle everything around it.
- 01Affordable world pricing
- 02Manufacturing without the risk
- 03Free designs & quick prototypes
- 04Quality and reliability
- 05Experts at agency approvals
- 06Industry-leading turnarounds
Get a Quote
A few questions in — a quote back in one business day.
Our quoting system walks you through your project one question at a time — voltages, quantities, application — and builds your drawings as you go. A PACTRAN applications engineer stands behind every quote.
1DAY
Quote turnaround
Pricing and lead time within 1 business day
2DAYS
Prototype turnaround
A wound, tested prototype in 2 business days
Prefer to talk it through? 800-325-0501
Start your quote
Takes about 5 minWe'll ask, for example
What input voltage does your design see?
- 01
Describe your project. In your own words — give us what you know.
- 02
Answer a few guided questions. We only ask what your quote needs.
- 03
Get your quote. Pricing, lead time, and preliminary drawings — reviewed by an engineer.
