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VPS28-900 is listed in the Power Transformers range at ChipApex. The manufacturer field lists Triad Magnetics. Its product description is PWR XFMR LAMINATED 25VA CHAS MT. Review the specifications below when checking this part for your BOM.
Power Transformers specifications for VPS28-900
- Description：PWR XFMR LAMINATED 25VA CHAS MT
- Series：Chassis Mount: World Series™
- Mfr：Triad Magnetics
- Package：Box
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 14V, Series 28V
- Current - Output (Max)：Parallel 1.8A, Series 900mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：25VA
- Mounting Type：Chassis Mount
- Termination Style：Solder, Quick Connect
- Size / Dimension：50.80mm L x 49.28mm W
- Height - Seated (Max)：58.67mm
- Voltage - Isolation：4000Vrms
- Weight：1.3 lbs (589.7 g)
Power Transformers datasheet and documents for VPS28-900
Power Transformers Overview
The Triad Magnetics VPS28-900 is a chassis-mount industrial power transformer with a 25 VA rating. It features dual primary windings for 115 VAC and 230 VAC input, and a dual secondary configuration providing 14 VAC at 1.8 A or 28 VAC at 0.9 A (center-tapped). The unit utilizes wire leads for termination and measures 3.25 inches in length, 2.125 inches in width, and 1.937 inches in height. It weighs approximately 589.67 grams.
Power Transformers Feature Summary
- Dual primary winding design supports both 115 VAC and 230 VAC input configurations.
- Dual secondary bobbin construction allows flexible voltage output selection.
- Compliant with UL, CSA, IEC, VDE, and international safety standards.
Power Transformers Applications
- Industrial control systems
- Chassis-mounted equipment requiring isolated power
- General purpose AC to AC power conversion
Power Transformers Procurement Notes
Verify the specific datasheet version to confirm insulation class and regulatory approvals. Confirm that the wire lead lengths meet the mechanical requirements of the target assembly. Ensure the mounting hardware accommodates the chassis dimensions provided in the official specifications.
Power Transformers Selection Notes
Select this component when a 25 VA isolation transformer is required for industrial environments. The dual secondary capability allows designers to choose between 14 VAC or 28 VAC outputs based on load current needs. Verify that the chassis mounting style fits the available enclosure space.
Power Transformers Part Context
This model belongs to the Triad Magnetics World Series transformers, designed to meet U.S. and international standards including CSA, IEC, VDE, and UL requirements. It is categorized under industrial control transformers within the manufacturer's portfolio.
Power Transformers Replacement Considerations
The part number 185G24 is listed as a cross-reference equivalent for the VPS28-900. Verify electrical compatibility before substitution.
Power Transformers FAQ
What are the available secondary voltage options?
The transformer provides 14 VAC at 1.8 A or 28 VAC at 0.9 A using its dual secondary windings.
Does the transformer support multiple input voltages?
Yes, it features dual primary windings that support both 115 VAC and 230 VAC inputs.
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