P OWE R T RAN S FO R M E R Chassis Mount: Single Secondary F-28U Electrical Specifications (@25C) 1. Maximum Power: 187.5 VA 2. Primary: 115V 50/60 Hz 3. Secondary: 6.3VCT or 7.5VCT @ 25.0 Amps* 4. Temperature Rise: 35C TYP (45C MAX allowed) Description: The F-28U is part of a series which has a long history of reliable service in the field, made from a proven design and constructed with UL recognized materials. Construction: Wound on a single channel nylon bobbin. Materials are UL recognized, Class B (130º C) rated. Safety: BLK These products are 100% hipot tested with an insulation of 3000V between primary and secondary windings as well as between the primary / secondary windings and the core. BLK/WHT Dimensions: BLK/RED Units: In inches A B C D E F 4.625 3.812 3.625 3.00 3.062 2.00 E MT G-SL OT S 1 3/ 64 X 5/1 6" 4 SLOTS. Lead length: 7.0 inches + 1 inch Weight: 7.0 lbs D G Schematic: BLK/RED 4 BLK/WHT 5 BLK 6 F Primary: For 6.3VCT output, connect input to BLK to BLK/RED For 7.5VCT output, connect input to BLK to BLK/WHT Secondary: 4 to 6 4 5 A 6 * Tapped primary to produce lower voltages RoHS Compliance: As of manufacturing date February 2005, all standard products meet the requirements of 2011/65/EU, known as the RoHS initiative. B * Upon printing, this document is considered “uncontrolled”. Please contact Triad Magnetics’ website for the most current version. Web: www.TriadMagnetics.com Phone 951-277-0757 Fax 951-277-2757 460 Harley Knox Blvd. Perris, California 92571 Publish Date: May 11, 2015