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LP-56-425 is listed in the Power Transformers range at ChipApex. The manufacturer field lists Signal Transformer. Its product description is PWR XFMR SEMI-TORO 24VA TH. Review the specifications below when checking this part for your BOM.
Power Transformers specifications for LP-56-425
- Description：PWR XFMR SEMI-TORO 24VA TH
- Series：LP
- Mfr：Signal Transformer
- Package：Bulk
- Type：Semi-Toroidal
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 28V, Series 56V
- Current - Output (Max)：Parallel 850mA, Series 425mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- Power - Max：24VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：72.90mm L x 57.20mm W
- Height - Seated (Max)：31.80mm
- Voltage - Isolation：1500Vrms
- Weight：0.938 lb (425.47 g)
Power Transformers datasheet and documents for LP-56-425
Power Transformers Overview
The LP-56-425 is a semi-toroidal power transformer manufactured by Signal Transformer. It features a 24 VA power rating with dual primary windings supporting 115 VAC and 230 VAC inputs in parallel configuration. The secondary output provides 28 VAC at 850 mA in parallel or 56 VAC at 425 mA in series. Designed for through-hole mounting, it operates at 50/60 Hz frequencies.
Power Transformers Feature Summary
- Semi-toroidal construction utilizing hum-bucking design to minimize electromagnetic interference.
- Dual primary winding capability allowing flexible input voltage selection between 115 VAC and 230 VAC.
- Configurable secondary outputs providing either 28 VAC or 56 VAC depending on series or parallel connection.
Power Transformers Applications
- Industrial control systems requiring low-noise power conversion
- Electronic equipment sensitive to electromagnetic interference
- General-purpose AC to DC rectifier power supplies
Power Transformers Procurement Notes
Verify the specific datasheet version from Signal Transformer or authorized distributors to confirm current RoHS compliance status and mechanical dimensions. Ensure that the through-hole pin spacing matches the target PCB layout before finalizing procurement orders to avoid integration issues.
Power Transformers Selection Notes
Select this component when a compact, low-noise transformer is required for 24 VA applications. The semi-toroidal shape offers space efficiency compared to conventional laminated designs. Choose based on whether the system requires 28 VAC or 56 VAC secondary output configurations.
Power Transformers Part Context
This part belongs to the LP series of power transformers from Signal Transformer. These components are designed for board-mount applications where size constraints and noise reduction are critical factors in the overall system architecture.
Power Transformers Replacement Considerations
No direct public substitute part numbers are confirmed in the provided documentation. Cross-referencing electrical parameters such as VA rating, voltage ratios, and physical footprint is necessary when evaluating alternative components.
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