20w 24v LED power supply circuit diagram, LED power supply enclosure LED TV, power supply

FOB Reference Price:Get Latest Price
US $3-4.66 / Piece | 1 Piece/Pieces (Min. Order)
Supply Ability:
60000 Piece/Pieces per Month
Shanghai or Ningbo port
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
Output Power:
1 - 50W
Output Type:
Input Voltage:
Output Voltage:
Output Frequency:
Output Current:
2 Years
Case material:
160*30*20mm (L*W*H)
IP67 / Constant Voltage
LED Light,CCTV Control,Electrical Appliances
Packaging & Delivery
Packaging Details
it is packed by vacuum plastic bag to provent moisture and then put into the inner box, 50pcs to a neutral carton.
Delivery Time

Welcome,my friend! If you have any questions, please don't hesitate to ask us!

  1. If you want to buy sample or few  , here is our aliexpress store : steadypower.aliexpress.com
  2. Product order will be shipped as soon as possible, please be patient.
  3. if you have any needs please communicate with us .
  4. our catalog in the home page, pls check , our website : www.steady-power.com

Product Description


• Constant voltage design

• Universal AC input / Full range
• Protections: Short circuit / Overload / Over temp
• Cooling by free air convection

• Small and compact size

• Fully encapsulated with IP67 level

• Fully isolated plastic case


• Suitable for LED lighting and moving sign applications  

• 100% full load burn-in test

• Low cost, high reliability

• 2 years warranty


Model SFS-15-5SFS-15-12SFS-15-15SFS-15-24
OutputDC Voltage5V12V15V24V
Rated Current3A1.25A1A0.625A
Current Range0~3A0~1.25A0~1A0~0.625A
Rated Power15W15W15W15W
Ripple & Noise (max.) 80mVp-p120mVp-p120mVp-p150mVp-p
Voltage Tolerance ±5.0%±5.0%±5.0%±5.0%
Line Regulation±1.0%±1.0%±1.0%±1.0%
Load Regulation±2.0%±2.0%±2.0%±2.0%
Setup,Rise time500ms, 20ms / 230VAC    500ms, 20ms / 115VAC at full load
Hold time (Typ.)50ms/230VAC          16ms/115VAC at full load
InputVoltage Range90 ~ 264VAC 127 ~ 370VDC
Frequency Range47~63HZ
AC Current(Typ.)0.55A/115VAC     0.35A/230VAC
Inrush Current (max.)COLD START 70A(twidth=215£g   s measured at 50% Ipeak) at 230VAC
Leakage Current0.25mA / 240VAC
ProtectionOver Load110 ~ 150% rated output power
Protection type : Hiccup mode, recovers automatically after fault condition is removed

Over Voltage  

5.75 ~ 6.75V  13.8 ~ 16.2V  17.5 ~ 21V  28 ~ 32V  
Protection type : Shut off o/p voltage, clamping by zener diode   
EnvironmentWorking Temperature-30 ~ +70°c (Refer to "Derating Curve" )
Working Humidity20~90% RH  Non-condensing
Storage temp.& Humidity-40~+80°C, 10~95%RH
Temp. coefficient±0.03%/°C (0~50°C)
Vibration10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
OthersMTBF786.5Khrs min.      MIL-HDBK-217F (25°c)
Dimension160*30*20mm (L*W*H)
Packing0.20Kg; 50pcs/16Kg/0.62CUFT

Important Notice

* These products are Constant Voltage LED Drivers. For dimming purpose, please equip with compatible low voltage dimmer switches and arrange your circuit in the following sequence:

Mains – LED Driver – Low Voltage Dimmer – Low Voltage LEDs

• Power tools series: Electric Saw, Drilling Machine, Ginder, Sand blast Machine, Puching Machine,Weeding Machine,Air Compressor etc.
• Office series: Computer,Printer,LCD Monitor,Scanning Machine etc.
• Household Appliance series: Dust Collector,Fan Lamp or LED ,Sewing Machine etc.
• Kitchen Appliance series: Microwave Oven, Fridge, Freezr, Coffemarker etc.
• Industrial Equipemnt series: shipping,vehicle,metalhalide lamp,solar system,wind power generation ect.
• Electrical filed series: TV,VCRS,Radio ect.

Company Information


Packaging & Shipping


Our Services

1. Any inquiries will be replied within 24 hours;
2. Professional manufacturer , welcome to visit our website;
3. OEM/ODM available:
    a) Print logo on our products
    b) Customized specification
    c) Customized color package box
    d) Any your idea on our products,we can help you to design and put it into production
4. High qulity,fashion design,reasonable&competitive price,fast lead time
5. After-sale service:
    a) All products will have been strictly quality checked in test house before packing
    b) All products will be well packed before shipping
    c) All products have 1-2 years warranty, and we sure the products will be free from maintenance
within warranty period
6. Faster delivery: Sample order in stock, and 3-7 days for bulk production
7. Payment term: L/C T/T open account transaction,westion union & paypal
8. Shipping: We have strong cooperation with DHL,TNT, UPS, FEDEX, EMS, china post air mail,
you also can choose your own shipping forwarder.
9. How to contact us:
    a) Tel: 400-077-8088
    b) Tel: 0577-62713666
    c) Website: http://www.steady-power.com

contact us now !

Linsa  (sale maneger)
what spp : +86 18106556566
skype : cnsteady
email : admin@ cnsteady.com