SDI30-19-U-P5R

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AC DC Desktop, Wall Adapters

SDI30-19-U-P5R application field and working principle

SDI30-19-U-P5R is a kind of AC/DC desktop, wall adapters, which is composed of a rectifier, filter, control, and a source of secondary voltage.

It is applied to convert AC power supply to DC power and is widely used in all kinds of electrical and electronic products,such as medical equipment, LED lighting, instruments, measuring system, etc.

Application Field

SDI30-19-U-P5R is an universal AC/DC desktop&wall adapter, which is suitable for many different situations, such as home electronic products, office equipment, medical apparatus, and so on. Taking into account of safety, it can meet UL/EN60950/EN60335 standards.

Working Principle

SDI30-19-U-P5R includes 4 main parts:

1. Rectifier: this part is used to rectify AC voltage from power grid to DC voltage.
2. Filter: this part is usually a capacitor, inductor, rectifier equipment, which is used to filter the rectified voltage and produce a smooth DC output voltage.
3. Control: this part is a pulse width modulator, which is used to control the output voltage and current to maintain a stable output voltage.
4. Secondary voltage source: this part is usually a transformer, used to produce secondary voltage which is used to charge a battery or power a circuit.

The working principle of SDI30-19-U-P5R can be described as follows: AC voltage is first rectified to direct current, and then the DC voltage is passed through a filter to obtain a stable DC voltage. Then the voltage is adjusted by the control part. Finally, the transformer increases or reduces the voltage level to achieve the specified secondary voltage that is used for charging or powering applications.

Advantages

SDI30-19-U-P5R has many advantages:

• High conversion efficiency;
• Low heat and noise generation;
• Compact size;
• Easy to install and use;
• High safety standard;
• Excellent performance.

In conclusion, SDI30-19-U-P5R is an ideal AC/DC adapter, which can meet most standard requirements and is very suitable for home and office electronic products use.

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