Single Output Switching Power Supply with PFC - 1U 480 Watt

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 1 Piece pc

Supply Capability:: 200,000 Pieces per Day pc/month

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Output Power: 401 - 500W
Output Type: Single
Input Voltage: 85 - 264VAC
Output Voltage: 3.3 - 48V all available
Output Current: 11 - 85A all available
Dimensions: 278 x 127 x 43(mm)

Specificatons

Universal input

PF>0.98@115VAC;>0.94@230VAC

All 105C capacitors

Japanese brand for key components

Built in fan cooling

Features

1) High reliability

2) Universal AC input/ full range

3) PF>0.98@115VAC; PF>0.94@230VAC

4) Protection: overload/ over voltage/ over temperature/ short circuit

5) Built in remote sense (optional)

6) Built in fan cooling

7) 5 years limited warranty

8) Dimensions: 278 x 127 x 43mm

Q: What is the output voltage of the no-load? What is the load output voltage?: Power supply test As a source of personal computer power, but also with the progress of personal computers and change. From the previous 100W AT power supply to today's 450W or even higher ATX power supply, not only the power in continuous climb, the output current is also increasing, +5 V output current has more than 30 amps. Since the announcement of the ATX2.01 power supply standard in January 1998, after the production of power are compatible with this standard, but the output voltage of each voltage is increasing. We use the ATX switching power supply, the output voltage of + 12V, -12V, +5 V, -5V, +3.3 V and several different voltage. Under normal circumstances, the above-mentioned several kinds of voltage output range allows the error is generally within 5%, as shown in the table below, can not have too much range of fluctuations, or prone to crash data loss situation. Standard voltage value Wire color Minimum voltage Maximum voltage value + 5V red 4.75 5.25 -5V white -4.75 -5.25 + 12V Yellow 11.4 12.6 -12V blue -11.4 -12.6 + 3.3V Orange 3.135 3.465 Power plug on the motherboard ATX power output connector ATX power supply 20-pin output voltage and function definition table Pin Name Color Description 1 3.3V orange +3.3 VDC 2 3.3V orange +3.3 VDC 3 COM black Ground 4 5V red +5 VDC 5 COM black Ground 6 5V red +5 VDC 7 COM black Ground 8 PWR_OK Gray Power Ok (+ 5V & + 3.3V is ok) 9 5VSB Purple +5 VDC Standby Voltage (max 10mA) 10 12V Yellow +12 VDC 11 3.3V Orange +3.3 VDC 12 -12V blue -12 VDC 13 COM Blue Ground 14 / PS_ON green Power Supply On (active low) 15 COM black Ground 16 COM black Ground 17 COM black Ground 18 -5V white -5 VDC 19 5V red +5 VDC 20 5V red +5 VDC

Q: Switching power supply: Switching power supply is usually divided into AC / DC, DC / DC, DC / AC and other types. Popular is to convert a voltage into a specific voltage for the needs of electrical equipment. Such as car switching power supply is the car's 12V DC voltage into 5V or other voltage for the use of equipment. Commonly used mobile phone charger (also switching power supply), computer power and so are switching power supply.

Q: Teacher asked, I said that can improve power efficiency, there are small size and high efficiency characteristics. What else does it mean? For example, in the control of the characteristics of: High-frequency switching power supply of strong penetration, good adhesion, can effectively improve the deposition rate of the coating; flexible use, simple operation; protection function is complete;

Q: Switching power supply, starting resistor is very hot, no output. What is the reason.: If it is the circuit, to check the chip's operating point has not met the requirements, but also to check the over-sampling voltage is not high, Vref voltage is wrong, RtCt circuit is no problem.

Q: How to quickly analyze the switching power supply failure and timely repair: 1 simple by PFC type to points: active PFC-type power supply and passive PFC-type power supply. 2 active PFC power supply maintenance focus is to seize: the power of the main control IC, such as the CM6800 and its series of types of IC pin function, almost all of the faults are around the master IC pin function to carry out the analysis of. 3 passive PFC is relatively simple, only need to understand such as AZ7500, LM494, and other IC pulse width modulation signal process and the pin function, and understand the working principle of the comparator, such as the common AS339, LM339 4 Moreover, maintenance analysis depends on the individual's understanding of the knowledge of electronic circuits, power principles of understanding, Specific analysis you can cite an example.

Q: Four-way monitoring switching power supply is not just a camera circuit can all the way? Or is there a problem with the equipment or line? The camera will appear short-term flash, shaking, black screen phenomenon. Now is the four cameras are connected to the positive and negative, the power is 12V6.3A, plus a small 12V1A power alone access to a camera, the results of a separate shine, the last black screen. The original problem of the camera or a problem, no problem or no problem. And the fault is short, I suspect that the camera problem, but the manufacturers that no problem. Depressed ah! Which a master to help one.: Power supply is insufficient, four of the best choice of five or more switching power supply!

Q: What is the impact of the refrigerator on the refrigerator?: This may not seem to control the refrigerator to open the machine, will inevitably cause some food to reach the required temperature, that is, the refrigerator did not reach 5 degrees, the man-made downtime.

Q: Switching power supply OLP and OCP these two are the same concept?: OLP is overload protection, to prevent the main power lines due to overload caused by overheating protection and installation of overload protection equipment.

Q: Switch power jumper do not know which one which then do?: Motherboard if it is old-fashioned 9-pin is the left side of the HDD LED left and then the left is the POWER LED lower right is restart the rester right power Not the old 9-pin, then the board marked on the plug can be a If it is green black line green line red line red line red line is red line is red!

Q: Switching power supply, constant current power supply, resistance to the power supply where the benefits?: Capacitive power supply is a constant current power supply, the principle of its buck is the principle of "series circuit resistance divider law", the advantage is very low cost, the circuit is very simple, high efficiency in the case of constant load. It is more shortcomings, the first is the power supply circuit and its output is not isolated from the output, followed by the value of the voltage divider and the load current, not suitable for large changes in the load of the circuit (changes in efficiency will be reduced), not afraid Short circuit but fear of open circuit, and the power supply may be an instantaneous surge current, the surge current will flow through the load, it must be protected. The power factor of the circuit itself is very low.

We have various advanced equipment, such as wave soldering and reflow soldering machine, RoHS testing, environmental testing system, etc. Only top international brand components are adopted for our key parts to ensure long lifetime and high reliability. Each unit is given full load burn-in test.

1. Manufacturer Overview

Location	Shanghai,China (Mainland)
Year Established	1995
Annual Output Value
Main Markets	North America 10% South America 3% Eastern Europe 5% Southeast Asia 8% Africa 2% Oceania 2% Mid East 1% Eastern Asia 2% Western Europe 15% Northern Europe 10% Southern Europe 1% South Asia 2% Domestic Market 39%
Company Certifications	CE/LVD Certificate; TUV Certificate; Hengfu Logo Registration Certificate; RoHS Certificate

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Shanghai
Export Percentage	31% - 40%
No.of Employees in Trade Department
Language Spoken:	English, Chinese
b) Factory Information
Factory Size:	10,000-30,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	Design Service Offered Buyer Label Offered
Product Price Range