Bobbin Wound Transformers Photo Gallery

This Bobbin Wound Power Transformer was built to mount on a chassis panel.

  • Input Voltage: Dual Primary (2 x 115V)@60Hz
  • Output Voltage: 2 x 80V @ 1A, CT. w/ CenterTap Windings
  • Core Structure: E-I Lamination, SiFe, Interleaved
  • Dimensions: 3-1/8″H x 3-3/4″W x 2-7/8″D
  • Hole Spacing: 3-1/8″ x 2-7/8″, center to center
  • Coating: Air Dry Varnish, 130 degrees C.
  • Unit weight: approximately 5 pounds.
  • Part Number: 10-0134

This Bobbin Wound Inductor was built to mount on a printed Circuit board using through hole technology.

Basic Design: Unit has one “Trifilar” wound coil. Trifilar winding produces three coils which have nearly identical characterics.

  • Turns Ratio: N1:N2:N3=1:1:1
  • Inductance Rating: L1=L2=L3= 58-71uHy @ 1kHz.
  • Core Structure: Ferrite PQ Core.
  • Coating: Air Dry Varnish, 130 degrees C.
  • Unit Weight: Approximately 41.6 grams.
  • Part Number: 130-0033

This Bobbin Wound Inductor was built to mount on a printed Circuit board using through hole technology.

  • Application: Timer Transformer
  • Turns Ratio: NP:NS= 1:2.14
  • Inductance: LPrimary= L 1-4=29-67 mHy LSecondary= L 5-8+ 136-308 mHy
  • Core Structure: Ferrite Pot Core
  • Coating: Air Dry Varnish, 130 degrees C
  • Unit Weight: Approximately 20 grams
  • Part Number: 70-0257
If you need assistance with your design, please contact Butler Winding and ask for Engineering.