Hammond Electronics, Inc. Bobbins Transformer; Chassis Mount Transformer Type Hammond 266F12

The Bobbins Transformer, part number 25C5080, is a chassis mount transformer designed for low voltage and filament applications. It features dual primary and secondary windings, with a primary voltage rating of 117/234 VAC and a frequency range of 50/60 Hz. The transformer is constructed in an open style with a dual bobbin design, eliminating the need for an electrostatic shield. This model includes dual secondaries that can be configured as center-tapped, parallel connected, or used individually. It is equipped with minimum 6-inch long leads and utilizes Class B insulation rated for 130 degrees Celsius, while being UL listed as a Class A design at 105 degrees Celsius. The transformer has a high potential test rating of 2,000V RMS and is both UL listed and CSA certified. Engineers considering this transformer should note its versatility in secondary configurations and robust insulation properties, making it suitable for various applications requiring reliable low voltage power.