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F28-040-C2
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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 1.1VA TH
- Series：Split Pack™, Class 2/3, F
- Mfr：Triad Magnetics
- Package：Tray
- Type：Laminated Core
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：Parallel 14V, Series 28V
- Current - Output (Max)：Parallel 80mA, Series 40mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：1.1VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：34.93mm L x 28.58mm W
- Height - Seated (Max)：23.80mm
- Voltage - Isolation：2500Vrms
- Weight：0.17 lb (77.11 g)
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Overview
The Triad Magnetics F28-040-C2 is a laminated core power transformer designed for through-hole mounting. It features a single primary winding rated for 115V operation and a dual secondary configuration providing 28V center-tapped output. The unit delivers a maximum current of 40mA at full load, resulting in a power rating of 1.1VA. Electrical isolation is specified at 4200Vrms. The component utilizes PC pin termination for printed circuit board integration.
Feature Summary
- Single primary winding with dual secondary outputs
- Laminated core construction for efficient magnetic coupling
- PCB pin termination style for secure board mounting
Applications
- Low-power electronic equipment requiring isolated DC supplies
- Class 2/3 compliant control circuits
- General-purpose AC to DC conversion stages
Procurement Notes
Verify the exact part number against official Triad Magnetics documentation before procurement. Confirm that the specific suffix matches the required electrical specifications and regulatory approvals. Ensure compatibility with the target PCB footprint and thermal environment. Cross-reference datasheet parameters to validate performance requirements for the intended application.
Selection Notes
Select this component when a low-power, isolated transformer is needed for 115V input systems. The 1.1VA rating suits applications with minimal current demands. Verify that the through-hole package fits the assembly constraints. Consider the 4200Vrms isolation voltage for safety compliance in sensitive environments.
Part Context
This transformer belongs to the Triad Magnetics F28 series, which offers various power ratings and configurations. The series provides options for different voltage inputs and outputs, catering to diverse low-power industrial and commercial applications. The F28-040-C2 represents a specific variant within this broader family.
Replacement Considerations
Consult official manufacturer substitution lists for verified equivalents. Generic replacements may not match the precise electrical characteristics or physical dimensions. Ensure any substitute maintains the required isolation voltage and regulatory certifications.
