• SMPS CE RoHS 5V 20A 100 Watt System 1
SMPS CE RoHS 5V 20A 100 Watt

SMPS CE RoHS 5V 20A 100 Watt

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
5 Piece pc
Supply Capability:
30000 Pieces per Day pc/month

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Output Power

51 - 100W

Output Type

Single

Input Voltage

110 or 220

Output Voltage

3~48V

Output Frequency

50/60Hz

Output Current

2.1~33.3A

Certification

CE ROSH

material

Aluminium

Good quality with good price

2 years' quality warranty

Low output ripple noise

Protect:Over load.Over Voltage.short circuit

 

Features

1.Low price and high reliability

2.Built-in EMI filter

3.Low output ripple noise

4.2:1 wide input range

5.Protectio cirns Over load.short circuit.over voltage

6.1500VDC I/O isolation

7.DC adjustment range,less than 10% rated output voltage

8.Line regulation (full load)>0.5%

9.Output over load protection 1055~150% hiccup mode,auto-recovery

10.High efficiency and low operation temperature

Q:Switching power supply and communication power difference
and get more stable, more accurate, less interference Voltage, only to provide communication equipment.
Q:What is the difference between DC regulated switching power supply and linear power supply?
Switching power supply: high efficiency, small size, inertial components (inductance and smooth capacitance, etc.); Traditional power supply in turn is it, but the traditional power of the biggest advantage is the small noise, harmonic interference is small.
Q:Isolation switch power supply and non-isolated switching power supply advantages and disadvantages,
First of all from the name can be seen, isolated switching power supply is isolated, that is input and output is not connected (in fact, there is a small capacitor between input and output), even if the power is broken, the input voltage is not Will be added to the output, due to the input and output isolation, the input part of the noise will not be transmitted to the output part (non-switching noise), isolated power supply mostly AC-DC, is AC to DC, can also be used for DC to exchange (such as Inverter), the voltage output is generally fixed or adjustable range is relatively narrow, but the output voltage is very wide, such as the input is 220V AC, the output can be 3V, it can be 30V, it can be 3000V, it can be 30000V Non-isolated switching power supply is generally DC-DC, that is, we often say that the DC to DC, the general non-isolated power supply efficiency than isolated power supply efficiency, but because the input and output are connected between, so there is a total (BUCK) If the switch tube breakdown, the input part of the voltage will pass to the output, the boost type of the type of noise, that is, when the input voltage is noisy, it is easy to pass to the output, (BOOST) If the circuit does not work, the input voltage will go straight to the output, whether it is buck or boost type, adjustable range is wide, step-down type can generally from 0 to the input voltage (due to the circuit Voltage drop, actually less than the input voltage), step-up type can be from the input voltage to several times higher than the input voltage There is also a non-isolated circuit up and down (SEPIC), the input voltage can be higher than the output voltage, but also lower than the output voltage, and the output voltage adjustment range is relatively wide
Q:What is the difference between an open switching power supply and an ordinary switching power
Modern switching power supply there are two: one is the DC switching power supply; the other is the AC switching power supply. Modern switching power supply there are two: one is the DC switching power supply; the other is the AC switching power supply.
Q:Switching power supply OLP and OCP these two are the same concept?
OCP is overcurrent protection, many electronic devices have a rated current, not allowed to exceed the rated current.
Q:Switching power supply isolated design, what is the meaning of isolation?
Isolation is achieved through the transformer, in the design of switching power supply when the use of isolation transformers (primary winding and secondary winding is not connected), so that the output of the power supply and the input power is not common, dual isolation is the switching power supply of two Road output are not common. The advantage of isolation is that the primary side of the transformer or the side of the circuit when there is a short circuit will not burn the other side of the components.
Q:What brand of switching power supply cost-effective?
Sanmim with a few years, with the search on the very good
Q:Switching power supply how to repair
Excluding the switching power supply after the above problems, indicating that most of the fault exists in the oscillation control circuit, sampling feedback circuit or load. At this time, we should first check the oscillation manifold power supply circuit is normal (test point four), the normal voltage should be about 10V (special reminder: because the test voltage should be in the case of power, and the power board has high pressure Electricity, so pay special attention to personal safety, can not try to directly touch the power of any part). If the point of no voltage or voltage is very low, first of all to check the buck resistor is damaged; Second, then check the oscillation manifold and its external power supply circuit is normal. If the external circuit is not found fault, it is recommended to replace the oscillation manifold. Of course, sometimes the power supply can not be normal output voltage may also be due to load short circuit caused by power protection. For this power supply, we only need to remove the output line, check the output voltage is normal (test point five), you can determine the fault location. After the previous troubleshooting, and finally should also check the feedback circuit part, in general, this part of the main focus on the optocoupler and its amplifier circuit, to pay special attention.
Q:Today saw the day of the power principle, 220V mains --- primary and secondary EMI filter --- rectifier bridge --- high voltage filter (high voltage direct current) --- switch (high frequency pulse high voltage direct current) --- transformer (low voltage alternating current) --- Rectifier filter (low voltage DC output) But after I demolished a power supply, the high-voltage filter capacitor is followed by three switching transistor, then the transformer, then there are three switches and three tubes, and finally only the coil and capacitor circuit composed of the filter. The Expert help me explain how the process is achieved. The
Alternating current. AC power through the transformer or AC, transformers and generators, like the use of the principle of electromagnetic induction to achieve the purpose of voltage conversion. But in life, the radio power output is DC, which is because after the transformer buck after the alternating current from the power supply in the rectifier circuit and filter circuit into DC. Generally between 3-9V. Alternating current (alternating ≈lt?r?ne?t) current [k?r?nt, k?r-]), referred to as AC. AC also known as "alternating current", referred to as "exchange". Generally refers to the size and direction of time with the periodic changes in the voltage or current. Its most basic form is sinusoidal current.
Q:I am in Guangzhou, need to purchase switching power supply, would like to know how we look for channels to buy? A lot of come to recommend the manufacturers, there are many outside the electronic market, there are a lot of online, I do not know how to distinguish between good and bad ah .... how to cost higher?
Shenzhen Luyuan Rui Di Electronic Technology Co., Ltd. is a professional design, development, production and sales of switching power supply professional company, the product has a low price, high reliability, high efficiency, low operating temperature Small size, light weight, etc., widely used in industrial control preparation, LED display, instrumentation and other industries, is the traditional control transformer ideal replacement products. Companies with a strong technical force, advanced production technology, improve the detection equipment, well-trained management personnel and scientific and technological personnel, the courage to innovate, forge ahead, the use of advanced technology, the implementation of scientific management. Technology production cast a good Luyuan Rui Di quality, the product through the national center of the rigorous testing. Stable performance, safe and reliable operation, the majority of users by the trust and respected, the best-selling products in major provinces and cities and overseas markets.
Nowadays, our products are exported to numerous countres, like US, Australia, UK, etc. Successful improvements on technical processes and professional customer services have been recognized by more and more new or old customers. We hardly receive any negative feedback from customers. Our products so far have catched up with the consistency with world standard .

1. Manufacturer Overview

Location Zhejiang,China (Mainland)
Year Established 2011
Annual Output Value Below US$1 Million
Main Markets Southern Europe 4.57%
Domestic Market 28.13%
North America 22.50%
South America 12.31%
Eastern Europe 1.76%
Southeast Asia 9.85%
Oceania 0.28%
Mid East 9.00%
Eastern Asia 0.84%
Western Europe 8.65%
Northern Europe 2.11%
Company Certifications gistration of a foreign trade operator; BUSINESS LICENSE; Custom Import & Export licence

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Oakland,Buenos aires,BOGOTA
Export Percentage 51% - 60%
No.of Employees in Trade Department 3-5 People
Language Spoken: English, Chinese
b)Factory Information  
Factory Size: 1,000-3,000 square meters
No. of Production Lines 5
Contract Manufacturing OEM Service Offered Design Service Offered
Product Price Range Average

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