Bobbin Wound Inductors Photo Gallery

Completed Custom Built Bobbin Wound Inductor designed to operate in control circuit.

  • Inductance: 10mH, +/-10% @20 Amps
  • Hi-Pot Test: 1,500Vac to core
  • Core Structure: E-I lamination, SiFe, Interleaved
  • Dimensions: 2″H x 2-5/16″W x 1-7/16″D
  • Hole Spacing: 2-9/16″ center to center x 3/16″ holes
  • Terminations: 1/4″ Faston
  • Mounting: Channel Frame
  • Finish: Varnish coated
  • Weight: Approximately 1 pound
  • Part Number: 120-0022

Completed Custom Built Bobbin Wound Inductor designed for current surge suppressor in PWM servo drive.

  • Inductance: 200 uHy
  • Core Structure: E-E SiFe butt-stacked lamination with approximately 0.010″ – 0.015″ gap
  • Dimensions: 3/4″H x 1″W x 1-1/8″D
  • Finish: Varnish coated
  • Weight: Approximately 0.5 pound
  • Part Number: 120-0056

Completed Custom Built Bobbin Wound Inductor designed for avionics test application.

  • Inductance: 98mHy @ 456mA
  • Frequency: 400Hz.
  • Hi-Pot Test: 1,000 Vac to core
  • Core Structure: E-I lamination, SiFe, Butt-stacked. approximately 0.005″ gap
  • Dimensions: 1-3/8″H x 1-5/8″W x 1-1/8″D
  • Hole Spacing: 2″ center to center x 3/16″ holes
  • Mounting: Channel Frame
  • Finish: Varnish coated
  • Weight: Approximately 0.5 pound
  • Part Number: 120-0092

Completed Custom Built Bobbin Wound Inductor designed for Solenoid test load coil circuit.

  • Inductance: 600 uHy @ 18 Amps
  • Hi-Pot Test: 500 Vac to core
  • Core Structure: E-I lamination, SiFe, Interleaved
  • Dimensions: 2-5/8″H x 3-1/8″W x 2-3/8″D
  • Hole Spacing: 3-9/16″ center to center x 3/16″ holes
  • Termination: 2 x #13 AWG magnet wire, each lead
  • Mounting: Channel Frame
  • Finish: Varnish coated
  • Weight: Approximately 2.5 pound
  • Part Number: 120-0103

Completed Custom Built Bobbin Wound Inductor designed for common mode line filter.

  • Inductance: 10,000 uHy @ 10A max.
  • Hi-Pot Test: 1,800 Vac, Winding to Winding
  • Frequency: 47Hz – 63Hz
  • Core Structure: Ferrite E-Core
  • Dimensions: 1.80″H x 1.20″W x 1.10″D
  • Lead Spacing: 1″ x 0.6″ x 0.040″ diameter pins
  • Mounting: Thru Hole
  • Finish: Varnish Coated
  • Weight: Approximately 0.5 pound
  • Part Number: 130-0031

Completed custom built bobbin wound inductor designed for a 208Vac, 1-phase line reactor – wound with copper foil. The copper foil used is 0.030″ x 3″ wide. This bobbin wound inductor is designed to function as a 208 volt line reactor.

  • Inductance: 75uHy
  • Frequency: 60Hz
  • Hi-Pot Test: 2,000Vac coil to frame
  • Core Structure: 1″ x 0.011″ strip wound core
  • Dimensions: 5.5″L x 7″H x 3″W
  • Termination: 1-1/4″ x 5/8″ x 1/8″ thick tabs with 5/16″ holes
  • Mounting Hole Spacing: 5″ x 2.5″ center to center
  • Mounting: Chasis mount, 4 x 5/16″ diameter holes
  • Finish: Varnish coated (coils only), for field adjustment of gap
  • Weight: Approximately 12 pounds
  • Part Number: 120-0080
If you need assistance with your design, please contact Butler Winding and ask for Engineering.