RXN305D Linear Programmable DC Power Supply 0-30V 0-5A
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Prices updated: 12 Oct 2026
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About this product
A single-output linear DC programmable power supply with an adjustable output of 0 to 30V and a current range up to 5A. The built-in large transformer provides ultra-low output noise, making it a practical bench supply for electronics students, hobbyists and prototype development.
Specifications
- Output voltage
- 0-30 V DC
- Output current
- 0-5 A
- Type
- Linear, single output
- Output noise
- Ultra-low (large built-in transformer)
- Control
- Programmable
Frequently asked questions
Is 5A enough for typical student and hobby projects?
For most small circuits, sensors, microcontroller boards and LED loads, 5A is sufficient. For high-current motors or heaters, choose a model with a higher current rating such as the RXN3010D-II or RXN3020D.
How should I protect my circuit when I first power it up?
Set the voltage to the required value and set the current limit low before connecting the circuit. Increase the limit gradually while watching for abnormal heating or unexpected current draw.
