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

10-0134 002

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

130-0033-001 130-0033-002

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

70-0257-001 70-0257-003