F-191U

Overview

The Triad Magnetics F-191U is a laminated core power transformer designed for industrial applications. It features a 140 VA power rating with a single 115 VAC primary winding and a dual secondary configuration providing 35.0 VCT at 4.0 A. The unit utilizes chassis mounting with wire lead terminations. Physical dimensions are 80.95 mm in length, 80.95 mm in width, and a maximum seated height of 96.82 mm. It offers 1500 Vrms dielectric isolation between windings.

Feature Summary

• Toroidal construction provides compact size relative to standard EI transformers
• Provides 4kV dielectric isolation capability
• Designed for low-voltage step-down operations

Applications

• Industrial control systems requiring isolated power
• Equipment needing low-voltage step-down power supplies
• Chassis-mounted electronic assemblies

Procurement Notes

Verify the specific datasheet version for the F-191U to confirm RoHS compliance status and exact termination specifications. Ensure the 115 VAC primary voltage matches the target system input. Confirm that the chassis mount footprint and wire lead lengths meet the mechanical design requirements before finalizing procurement.

Selection Notes

Select this component when a 140 VA capacity is required with a 35 VCT secondary output. The chassis mount style and wire leads simplify integration into custom enclosures. Consider the physical dimensions and weight constraints during the mechanical design phase to ensure adequate clearance and support for the laminated core structure.

Part Context

This part belongs to the Triad Magnetics F-series of industrial power transformers. These units are engineered for robust performance in demanding environments. The series typically includes various voltage configurations and power ratings to suit different industrial control and power supply needs.

Replacement Considerations

No direct public substitute part numbers are confirmed for this specific model.