• DIY Linear Power Supply Kit 30V 3A Adjustable Power Supply Fully Discrete Unfinished (with Shell)

DIY Linear Power Supply Kit 30V 3A Adjustable Power Supply Fully Discrete Unfinished (with Shell)

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  • Price:$63.84
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DIY Linear Power Supply Kit 30V 3A Adjustable Power Supply Fully Discrete Unfinished (with Shell)

Features:

- 0-30V Output Voltage: The output voltage is continuously adjustable in the range of 0-30V, which can power most electrical appliances.
- Output with constant current and constant voltage.
- Smart Temperature-control Fan: With over-temperature and over-current protections, the fan makes a balance between quiet operation and excellent heat dissipation performance. When output current exceeds the current limit, it automatically run in constant current mode, providing over-load and short-circuit protections.
- Linear power supply stands out in impact resistance, interference resistance, output ripple, overshadowing switching power supply.
- Simple structure, stable operation performance and easy maintenance make it fit HiFi audio amplifiers.
- In-line components make installation and repairs easier.
- 5-color ring 1% precision resistors.
- Premium military-grade PCB with immersion gold process which is resistant to oxidation.
- Automatic fan controls its speed with the changes of temperature, enabling stable output.
- 4pcs large-capacity filter capacitors ensure output ripple.
- TIP3055 power tube is designed to consume 5A when there is 15A current, ensuring margin.
- LED Indicator: LED indicates the status of output current limit.
- Powerful Heat Dissipation Effect: High-power heat sink plus a fan.

Specifications:
- Input Voltage: AC18V-AC24V
- Output Voltage: 0V-30V Adjustable
- Output Current: 0A-5.0A Adjustable
- Output Ripple: <15mV

Package Included:

- 1 x Linear Power Supply Kit

Note:
- A transformer, a heat sink, a current voltage meter, a fan, and a shell are included in the package.
- Assembling is needed.


Upgrading Tips:

- Voltage and current can be precisely adjusted at lower cost.
- 2 potentiometer are used, one of which is for coarse adjustment and the other for fine adjustment. 10K for coarse adjustment potentiometer and 1K for fine adjustment potentiometer. 10K and 1K constitute a 10: 1 resistor divider ratio. Adjust 10K potentiometer to make voltage close to the voltage you want quickly, and adjust 1K potentiometer to a precise voltage. Connection as pictured:

 
Please prepare these tools by yourself:
- Small Utility Knife
- Solder Wire
- Screwdriver
- Clippers
- Electric Iron
- Multimeter

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