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12W 12V constant voltage triac dimmable led driver for MR16

Basic Info

Model No.: SMT-012-012VT

Product Description

12W 12V constant voltage Triac Dimmable LED Driver


Product Description



  • Output constant voltage 
  • Input range :90-135VAC / 170-265VAC
  • Built-in PFC function
  • Efficiency > 85%
  • Protections:Short circuit/over Voltage
  • Fully isolated  plastic cover 
  • Easy installation
  • Cooling by free air convection
  • Work with leading edge and trailing edge TRIAC dimmers
  • Strong compatibility, flicker-free dimming
  • Suitable for LED lighting and moving sign applications
  • Compliance to worldwide safety regulations for lighting
  • CE,UL/cUL, RoHS approval
  • 3 years warranty (We promise to replace new ones to you if there is any defective happen during the warranty period) 


1.Dimming mode: triac dimmable
2. triac dimmable constant voltage 12v

3.AC-DC Triac Dimmable LED Driver

4.I/P:90-135Vac, 170-265VAC,  50/60Hz

5.Ambient temp.:-20 degree~40 degree full load

6. Efficiency> 85%
7. PFC > 0.95

8. size: 140*45*28mm

9. overload,over heat, over voltage, short circuit protection

10. CE, UL/cUL, RoHS approval


Triac dimmable 12v / 24V constant voltage led driver
input Channel leading edage and tailing eadge dimmers
  SMT-012-012VT SMT-024-012VT         
Single Output features Constantvoltage 12vDC  24vDC 
output current 1Amp 0.5Amp          
output power 12watt 12watt           
Ripple & Noise 250mV
Current Regulation ±3%
Starting time 1000mS/230Vac, 3000mS/110Vac
Input Voltage range 90Vac-135Vac, 170-265Vac
Frequency range 47Hz-63Hz
Power factor PF>0.90/220Vac,PF>0.91/110Vac
Efficiency 87%/110Vac , 88%/230Vac
Inrush Current 20A/110Vac, 40A/220Vac
Leakage Current <1mA/240Vac
Protection short circuit
Protection mode:Single Protection,Hiccup ,recovery after the fault removed.   
   Protection mode:Limit highest voltage, recovery after the fault removed.
physical size:


Over temperature 105oC±5 oC ( Internal radiator's temperature)
Protection mode:Closed Output voltage,recovery after temperature automatic recovery  

Our products are widely used in various industries, such as
indoor/outdoor LED illuminating lights, 
LED Neon, 
LED urban Decoration
LED Lighting Advertising, 
LED Display, 
Safety Protection Apparatus, 
Vehicle Lights, Controller Panels, etc.

12W 12V constant voltage triac dimmable led driver 


Related Products


constant voltage power driver SMT-012-020VW


constant current power supply  700mA triac dimmable 


Dali dimming class 2 constant voltagae power supply



Packaging & Shipping
 Net weight (g) Gross Weight/ctn  Qty/ctn  Carton size(mm)
160g 8.5kg 50pcs 324*298*176mm

Company Information

Quanzhou Smarts Electronic & Technology Co.,Ltd (SMARTS INDUSTRIAL (HOLDING) CO LTD) was founded in 1998. The company is located in a developed economy, abundant resources, beautiful scenery of Quanzhou city Licheng district town pontoon, the company has an area of 2000 square meters, production workshop, warehouse, office, living facilities complete with. With the development of society, human increasing awareness of "green energy, environmental protection, save energy" becomes... View detail   website: 


our team:



CE, UL/CUL, ROHS approval.


factory & equipments view:

Our Services

why choose us??                                                                                                                                          



1.   We are UL/cUL audited LED drivers/power supplies enterprise in China. 

2.   Alibaba assessed 6 years Gold supplier and more than 10 years led industry experience. it will guarantee your

order 100% safe!
3.   Price is negotiable if you have large quantity demand.
4.   100% QC inspection Before Shipping.
5.   Best Quality & Best Service with Competitive price.
6.   Shipping will be the most economical for you and freight cost is informed in advance for your consideration decision for the shipping terms will be made according to your requirements.

7.   We have our engineer team, if you have any question about your LED applications, let us know freely, we will give you the best solution.

8.   Our trade manager is online 12 hours. and we will reply your inquiry within 8 hours.

9.   OEM design & OEM packing welcome.

10.  Samples will be ready within 7 working days.





Q1:  What's type power supply do you have?
         Answer: We specialized in  0~10v/triac/DALI dimmable led drivers, constant voltage & current LED                                        drivers,  enclosure power suppliers, power adapters. 

Q2:  What's the MOQ?

         Answer: Our MOQ is 500pcs, but we accept your trail order/small order, no problem.

Q3.  what's shipping mode can we choose?
         Answer: 1.FedEx/DHL/UPS/TNT/Express for samples
                           2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;
                           3. Customers specifying freight forwarders or negotiable shipping methods!

Q4: what's the payment do you have??

          Answer:To assure you the maximum comfort and satisfaction, Currently, you can pay via T/T, L/C,                                        WESTERN UNION, PAYPAL, More payment options will be added in the near future. 

Q5:  How about the protection of product?

          Answer:Most of our products have protection of short-circuit, overload, over voltage, over current and                            reserve polarity. About the specific product, please consult our sales stuff.

Q6:  How about the transportation?

         Answer:For small order,express will be best. And for bulk order,sea ship way is best but take much time.                          For urgent orders,we suggest via air to airport plus our ship partner send to your door.

                         We will cooperate with your choice.

Q7:  What can you do if the product is broken?

          Answer: We promise to replace new ones to you if there is any defective happen during 

                            the warranty period, but we need pictures or video to prove the defective comes 

                            from our quality problem.




                        Quanzhou Smarts Electronic & Technology Co.,Ltd


7th floor Hengxin building No. 9 Chifeng road, Licheng District, Quanzhou,Fujian, China


Tel.:+86 (595) 2286 3721 / Fax:+86 (595) 2246 5526




WhatsApp: +86 15880775263


Skype: Roy zheng

Product Categories : Triac Dimmable LED Driver > Triac Dimmable Constant Voltage LED Driver

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