HW-PREC-50W-12
50 W precision AC-DC power supply with low output noise and reinforced isolation for measurement and analog equipment.
The HW-PREC-50W-12 is a Hawun precision AC-DC power supply that delivers 50 watts at 12 volts from a universal mains input, with low output noise and reinforced isolation, in an enclosed package for measurement, laboratory and precision analog equipment. Precision supplies must deliver a stable, low-noise rail for sensitive circuits, because the noise on the rail appears directly in a measurement, and this supply combines careful filtering with the isolation that a laboratory or medical product requires. The 50 watt output covers a measurement instrument or a precision analog system, and the enclosed format simplifies integration into the equipment. The choice of a precision supply follows from the noise the load tolerates and the isolation the application requires, and where a switching supply's residual noise is still too high, a downstream linear regulator provides the final clean rail. Every device is factory-traceable and ships with an import declaration, a certificate of origin and RoHS documentation. BeiLuo holds this part in regional stock and our FAE team supports supply selection, noise measurement and safety review.
FAE Professional Review
This is the supply we recommend when a measurement or precision analog system needs a low-noise 12 volt rail with reinforced isolation. Its filtering keeps the rail clean enough for sensitive loads, and where even that is not enough, a downstream linear regulator finishes the job. Measure the rail noise with the real load before committing the design, because the load and the layout affect it.
| Parameter | Value |
|---|---|
| Input | 85 to 264 V AC |
| Output | 12 V |
| Power | 50 W |
| Isolation | Reinforced, 4 kV AC |
| Package | Enclosed |
Application Circuits
Measurement and laboratory instruments
Reference circuits and application schematics for Measurement and laboratory instruments are available from our FAE team.
Precision analog and sensor systems
Reference circuits and application schematics for Precision analog and sensor systems are available from our FAE team.
Medical diagnostic equipment
Reference circuits and application schematics for Medical diagnostic equipment are available from our FAE team.
Industrial test equipment
Reference circuits and application schematics for Industrial test equipment are available from our FAE team.
Data acquisition front ends
Reference circuits and application schematics for Data acquisition front ends are available from our FAE team.
Need a reference schematic or design review? Our FAE engineers can share verified circuits and layout guidance for this part.
Related Documents
Alternative Part Numbers
| Model | Package | Note | Action |
|---|---|---|---|
| HW-MED-15W-24 | Enclosed | Medical supply with 24 V output for lower power | View |
Complementary Part Numbers
| Model | Package | Note | Action |
|---|---|---|---|
| HW-DC-DIP-10W-24S12 | DIP module | Isolated converter for an additional rail | View |
Recommended Complementary Products
Frequently Asked Questions
Why does noise matter for a precision supply?
A sensitive analog or measurement load is affected by the noise on its rail, so a low-noise supply preserves the accuracy of the measurement.
Where the residual noise is still too high, a downstream linear regulator provides the final clean rail.
How do I measure the supply noise?
Measure the rail noise with the real load and the real layout, using a low-noise probe and a bandwidth that matches the application, because the load and the layout affect the result.
Our FAE team can measure the supply in our lab.