P O W E R T R A N S F O R M E R
Chassis Mount: Single Secondary
Web: www.TriadMagnetics.com
Phone 951-277-0757
Fax 951-277-2757
Publish Date: May 11, 2015
BLK
4 SLOTS.
E
MTG-SL OTS 13/64 X 5/16"
F
B
A
G
D
BLK/RED
BLK/WHT
4
6
5
BLK/RED
BLK
4
6
5
BLK/WHT
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:
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.
Dimensions: Units: In inches
Lead length: 7.0 inches + 1 inch
Weight: 7.0 lbs
Schematic:
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
* 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.
* Upon printing, this document is considered “uncontrolled”. Please contact Triad
Magnetics’ website for the most current version.
