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Leading-Edge Materials and Engineering
Transformers that Perform
We provide efficient transformers for a wide range of industries, from high tech to industrial. From concept through delivery, we collaborate with our customers to minimize risk and provide carefully constructed transformers with fine attention to specification. Our reliable, innovative designs are all backed with a 5-year warranty.
Need a bit more info before sending us your specs? Learn more about our Capabilities.
Unique current transformer designs for applications including instrument control & monitoring, switch mode power supply control and feedback for equipment protection.Place content here.
In production runs from five pieces to 100,000 pieces we design and manufacture power transformers for virtually any application.
Our Pulse Transformers are used in numerous applications including triac triggering and high voltage pulse applications up to 15 kV output.
Aviation and 400Hz Transformers
We design transformers for a huge variety of highly specialized conditions..
Highly engineered products that meet complex customer specifications. Materials and methods are uniquely selected to maximize performance and reduce costs.
3 Phase and Multi Phase Transformers
Our three-phase custom transformer designs are used in a multitude of applications and include unique stacking configurations, custom mounting, brackets & terminals and integral lifting hardware.
E Craftsmen has been designing and building Switch Mode Power Supplies for over 20 years.
347V, 480V & 600V Step - Down Transformer
Popular "Slim Line" family of stock parts for LED lighting with their unique low profile height and width or custom-designed models developed to meet your unique power requirements.
Power: From mW to 50kVA @ 60Hz or up to 200kVA @ 20kHz (typical)
Working Voltage up to 12kV (depending on frequency); multiple stages possible for higher outputs
Frequency: 25Hz to 500kHz (typical)
Temperature Class to 220C (155C / Class F typical)
Weight: 0.06 oz / 1g to 550 lbs / 250kg
Multiple taps as required
Dielectric Strength (hipot) to 30kVac or 20kVdc
Parts can be vacuum varnished or molded with a variety of hard or soft encapsulant materials with thermal conductivity.
Wire sizes from 1-45 AWG or Copper Foil to 0.050in thick (in multiple layers for higher current); Litz wire for higher frequency
Regulation to specification
Manufactured using all known state-of-the-art magnetic core materials, including but not limited to electrical grade steel laminations, ferrites & powdered iron, nickel-iron alloy, iron amorphous metal strip-wound cores, nanocrystalline cores and small toroids.
Antifungal and non-nutrient coating available
Corrosion resistant coating & plating available
Standard or custom terminations & leads
Mounting Configurations: pcb-mount (horizontal or vertical), custom or standard brackets or stacked configurations
Designed to meet CSA & UL, IEC Standards for safety or MIL PRF 27 (aerospace / military) requirements upon request
MIL PRF 27 Grade 5 & 6 encapsulation available