Safety insulated transformers

Sealing a lead from a confined cavity of an apparatus such...

Self lead foil winding configuration for transformers and...

Self lead foil winding configuration for transformers and...

Simplified ballast transformer assembly

Simplified surface-mount devices and methods

Slider for selecting coil voltage and locking the coil in place

Soldering pin, especially for use in a coil former

Solenoid coil assembly

Solenoid coil assembly

Spiral, self-terminating coil and method of making the same

Spool for transformer in power supply device

Start lead dampeners on coil bobbin

Strain-relieving wire lead-in

Structure of connecting pins of a transformer reel

Structure of spool of electromagnetic relay

Support for transformer windings

Support member

Surface mount coil assembly

Surface mount inductor