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Switching Power Supply (21)

SP-75-3.3 Single Output LED Power Switching Supply, 220v 3.3v power supply, 220v ac to dc converter power supply

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US $24.49

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Processing Period: Within 7 working days after payment.
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[ Zhejiang, China (Mainland) ]
Business type: Manufacturer, Trading Company
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Quick Details

Place of Origin:
Zhejiang China (Mainland)
Brand Name:
Model Number:
Output Power:
51 - 100W
Output Type:
Input Voltage:
85-264VAC; 120-370VDC
Output Voltage:
Output Frequency:
Output Current:
Overload protection:
105-150% constant current, auto-recovery
Over-voltage protection:
110-135% rayed output voltage
Dimension (L*W*H):
179*99*33 mm
ISO 9001:2000
2 years


1. We have 7 Years Export Experiences
2. 100% full load burn-in test
3. Approved CE certificates
4. 2 years warranty



1. Features 


1. Universal AC input/ full range

2. PF>0.98@115VAC; >0.93@230VAC

3. Protections: short circuit, overload, over-voltage, over temp.

4. Built-in constant current limiting circuit

5. Remote ON/OFF control (option).

6. Cooling by free air convection

7. SP-75 meanwell power supply

8. SP-75  Single Output LED Power Switching Supply 


2. Specification


Model                                OutputTolerance VoltageRipple and NoiseEfficiency
SP-75-3.33.3V, 0-15A± 2%80mvp-p67%
SP-75-55V, 0-15A± 2%80mvp-p72%
SP-75-7.57.5V, 0-10A± 2%80mvp-p74%
SP-75-1212V, 0-6.3A± 2%80mvp-p77%
SP-75-13.513.5V, 0-5.6A± 2%80mvp-p78%
SP-75-1515V, 0-5A± 2%80mvp-p79%
SP-75-2424V, 0-3.2A± 1%100mvp-p80%
SP-75-2727V, 0-2.8A± 1%100mvp-p80%
SP-75-4848V, 0-1.6A± 1%100mvp-p80%


1. AC input voltage range: 85-264VAC; 120-370VDC

2. DC adjustment range: -5-+10% rated output voltage.

3. Over load protection: 105%-150% constant current, auto-recovery.

4. Over voltage protection: 110%-135% rated output voltage.

5. Withstand voltage: I/P-O/P:3KVAC,I/P-FG:1.5KVAC,1minute

6. Working temperature: -10-+60°C (refer to the derating curve)

7. ENC standards: EN 55022 class B, EN61000-3-2,3,EN6100-4,2,3,4,5,6,8,11,EN50204 

8. Connection: 7P/9.5 mm pitch terminl block with cover

9. Dimension (L*W*H): 179*99*33 mm


3. Mechanical Dimension:


4. Certificates:


5. Please Note:


1. The testing condition for the parameter above is: 230VAC input, rated load, 25°C 70%Rh, Humidity.

2. Error, include the setting error, line stability and load stability.

3. Wave test: adopting "A12" double wire for 20MHZ, and 0.1uF&uF capacitor short-circuit for interrupting.

4. Inlet Voltage Stability test: when is over load, the lowest voltage of inler is representative to the highest voltage.

5. Load stability test: the load is from 0% to 100%, others 60%.

6. Total output canbe maximum Current, total load can not exceed the maximum output power. 



Items per Carton: 30 Pieces/Carton
Package Measurements: 46X31X23 cm
Gross Weight: 15.3 kg
Package Type: standard export carton packing

Yueqing Mingwei Electric Co., Ltd. specializes in designing, researching, manufacturing and exporting switching power supply. Our products feature low price, high reliability, high efficiency, low operation temperature, small volume and light weight. These goods are widely used in industrial-control equipment, LED display screen and instrument line. Mingwei can provide ideal upgraded products to traditional controlling transformers.

Our product design meet America VL1012, German TUVEN 60950, ... View detail

Basic Information Indicates information has been verified onsite by a certification specialist

Product/Service (We Sell): Switching power supply (Only overseas sales)  
Number of Employees: 51 - 100 People  

Trade & Market

Main Markets: Western Europe
Eastern Europe
Northern Europe
North America
Southeast Asia
South Asia
Southern Europe
Total Annual Sales Volume: US$10 Million - US$50 Million  
Export Percentage: 31% - 40%  

Factory Information

Factory Size (Sq.meters): 1,000-3,000 square meters  
Factory Location: Office: No. 123, Liuqing North Road, Liushi Town, Yueqing City, Zhejiang Province, China Factory: Gaohou Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province, China  
Number of Production Lines: 2  
Number of R&D Staff: Less than 5 People  
Number of QC Staff: Less than 5 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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