Customized PCBA assembly board 5v 12v 15v 20v 24v 36v 48v 24w 30w 40w 50w 60w 100w 120w 150w 200w Switching power supply pc smps

100-999 Pieces
1000-9999 Pieces
>=10000 Pieces
Min. Order
100 Pieces
Note: Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.
Company Information

Shenzhen Topow Electronics Co., Ltd.

CN Manufacturer
Response Time
Response Rate:
1 Year Paid Supplier Supplier Trade Assurance
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Quick Details

Output Voltage Accuracy: 5 percent
Warranty: 2 years
Place of Origin: China
Output Power: 301 - 400W
Output Type: Multiple
Product Name: Open Frame Power Supply
Output Current: 8,2A
Input Voltage: 110V/220V
Model Number: POW3501
Brand Name: Topow
Input: 90 ~ 264VAC
Efficiency: 0.734
Output voltage: 5V
Package: DIMENSION 430*370*325mm (L*W*H) PACKING 0.23Kg; 60pcs/14.8Kg
Protection: OCP,SCP,OVP
Application: Audio video and IT equipment
Output Voltage: 36V
Output Frequency: 47 ~ 63Hz
Packaging Detail: PE bag
Selling Units: Single item
Single package size: 45X42X21 cm
Single gross weight: 7.0 KG
Package Preview:,
Product Description
high quality led light pcba manufacturer customized switching power supply smps 350w
Brand NameTOPOW
Product namePower amplifier power supply
Model Number POW3051
Pin typebare board
Output Power350W
Output Type multigroup
Input Voltage110V/220V
Input Frequency47 ~ 63Hz
Output Voltage/ Current5.25V/2.5A 9V/1A FAN10V/0.2A 41.5V/8.5A
Output Voltage Accuracy5%
MTBFAt least 100,000 hours
PROTECTIONoverpower protection
INRUSH CURRENTCold start 100A/115VAC 60A/230VAC
Supply Ability10000 Unit/Units per Month
Packaging DetailsDIMENSION
450*420*210mm (L*W*H)
ApplicationAudio video equipment
SpecificationAccording to the company standard
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Packaging & Shipping
Our Services


1.Free sample available!(welcome to send enquiry and check our sample policy)

2.Sign"quality warranty" and" on -time delivery warranty" to clients!

3.Logo customized

4.OEM/ODM Support

Company Information

 As one of the three strategic network and communication power supply partners of the top IT brand in China, Shenzhen Topow Electronics Co.,Ltd. was founded in October, 2003, and locates in Fuyong Town, Bao’an District, Shenzhen City. Only 12KM to Shenzhen airport, it enjoys a good production and operation environment. 
With more than 30,000 squre meters area, there are 1,200 employees work in Topow, and the annual turnover reaches to 350 million RMB in 2018. 
Topow is a National High Tech company, which specializes in the development, manufacturing and sales of customized power supply, communication power supply, SMPS and adapters. Topow manufactures adapter from 5W to 65W, SMPS within 7000W, multifunction power supply for IPAD, speaker, communication and LED backlight etc. 
Topow has fully certified product models which indicates the high reliability of its products and commitment to satisfied customer services. There are 5 senior engineers with 10 years experiences, and 16 engineers with 6 years experiences works in R&D center, and a patent for invention, 19 patents for utility models, a patent for appearance, 12 software copyrights. 
Topow has full range production line which includes transformer, plastic case, hardware, SMT, DIP, burn-in etc, keeps good quality but competitive cost to the utmost.   
Topow owns international standard certification ISO9001, ISO14001, QC080000, and integration of informationization and industrialization management system of Guangdong. 

Thanks to its above performances, Topow has established business relationship with worldwide network, acoustic and communication brands. Topow receives Quality Excellence Award and Preferred Supplier Award from customers. 


Sincerity makes quality, innovation leads future, we are continually improving to become a leading company in the power supply industry and provide customers with satisfied products and services.


Create value for customers, provide chance for employees.  









Q1: Are you factory or trade company?

A1: We are factory with 1,200 employees, locates at Bao'an District, ShenZhen, only 2 stations to ShenZhen International Airport by Shenzhen Metro Line 11.

Q2: What is the warranty of your products?
A2: There are 2 years warranty for our standard models.

Q3: Does your factory provide OEM&ODM service?
A3: Yes, we focus on customized power supply solution, especially for communication use. 


Q4: Why we have interest for your products ?

A4: Nearly a decade cooperation with the top communication brand makes us a very strong R&D and strict process control, we provide high reliability products and satisfied service for customers. 


Q5: Can you offer samples firstly ? 

A5:  Yes, for our standard products, sample-making lead time is a week; if it is a customized product, firstly we evaluate the feasibility of customer's requirement, then decide.


Q6: How can we contact you ?

A6: Our alibaba TM is online within 24hours every day.


Q7: What is your MOQ ?

A7: That depends. Our trail MOQ can be 300-500pcs, after that, say 1,000 pcs. 


Q8: What is your delivery time ?

A8: Normal lead time is 20-25days after payment except important holiday like National Day, Chinese New Year.


  A9:  We accept the payment method including the TT, Alipay, western union, moneygram etc. all order must be paid ahead,all goods/items would be dispatched in 1-3 working days

A10: Attention:we would choose the DHL, UPS,TNT, Fedex, SF express,EMS etc, as your consigned.all the shipping time not controlled by us. Please contact the logistical with the right tracking number.

Q11:Taxes & Charges:
A11: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. 
Please check with your country's customs office to determine what these additional costs will be prior to bidding /buying
We can revise the Invoice price as you requested for any taxes issue.
A12: Once you have received your item, please leave positive feedback for us as this will inform us that you have received your items. If you are dissatisfied with your purchase, in any way, please contact us first prior to leaving feedback. We always work out problems to our buyers full satisfaction. Trust us all the issues could be resolved via communication. And we care our customers,we love happy customers .if you have any doubt or issue with the order, please feel free to contact us ,we are here to assist you!

A13:  We can promise that all our products are original with its brand. 3years warranty for you.
We stand behind every item we sell. If you are not satisf