Products by EFC/WESCO

EFC Catalog Nomenclature

EFC Spec Chart

Film Dielectrics

EFC Series 1206 are polypropylene and foil capacitors. This series offers the advantage of superior stability, high insulation resistance, low dissipation factor, negative temperature coefficient and high frequency operation, dv/dt ratings in excess of 1000 V/ms. Suggested applications include:...

EFC Series 1213 are metallized polypropylene capacitors. This series offers the advantage of superior stability, self healing, high insulation resistance, low dissipation factor and high frequency operation. Suggested applications include: timing circuits, switch mode power supplies (SMPS)....

EFC Series 1306 are polyester and foil capacitors. This series offers the advantage of small size and low cost, dv/dt ratings in excess of 1000 V/ms. Suggested applications include: medical electronics, telecommunications. Packaging options include: wrap and fill (TC, TF), axial lead box (EC, EF),...

EFC Series 1313 are metallized polyester capacitors. This series offers the advantage of small size, self healing and low cost. Suggested applications include: medical electronics, telecommunications and high voltage power supplies. Packaging options include: wrap and fill (TC, TF), axial lead box...

EFC Series 1613 are metallized polycarbonate capacitors. This series offers the advantage of miniature size, superior stability, self healing, high insulation resistance, low dissipation factor and high frequency operation. Suggested applications include: timing circuits, filters, high current...

EFC Series 1906 are polystyrene and foil capacitors. This series offers the advantage of extremely high insulation resistance (IR), low dissipation factor and very low dielectric absorption. 1906 have a linear negative temperature coefficient. Applications include: timing circuits and filters....

Over the recent past, new technologies have increased the demand for high current power capacitors with high reliability and condensed size. EFC has designed a series of Snubber / Power Capacitors specifically for these requirements. With design requirements of low inductance and power...