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TT-Welwyn
TT Welwyn - WHVL Series is a range of high voltage axial resistors with a non-inductive printed serpentine element .

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Home Design Hardware Solution
LED illuminance solution

In the long term, ultimately, proper and successful implementation of LEDs as the predominant technology in general illumination, will be through the use of fixtures and infrastructure specifically designed to take advantage of the unique properties of LEDs.

Our lighting solution gives us beautiful light that is more efficient and longer lasting than both incandescent and CFLs and contains no toxic mercury.

Product range includes :

  • AC-DC/DC-DC Universal High Brightness LED Driver
  • MR16 (low voltage 12V) and E27, GU10 (Hi-voltage 110V/230V)
  • Thermal Conductive (Aluminum-based) material
  • High-power High Brightness LEDs

AC-DC/DC-DC Universal High Brightness LED Driver

 
 
 

MR16 (input voltage 12V) 

 

E27/GU10 (input voltage 110-230V) 

Description

  • Uses a PWM high-efficiency LED driver control IC.
  • More than 90% Efficiency.
  • Allows universal 110Vac or 220Vac or 230Vac input voltage.
  • Allows efficient operation of high-power LEDs from 8Vdc up to 450Vdc.
  • Controls an external MOSFET at fixed switching frequency up to 300kHz.
  • LED string is driven at constant current, providing constant light output and enhanced reliability.
  • Output current can be programmed between few mA to more than 1A.
  • Control up to 80 high-power LEDs.
  • Schematic wiring as below :

Applications  

  • Street lamps, garden lightings, track lightings, landscape lightings, fish-tank lightings, back lightings, medical lightings.

 Advantages over incandescent/halogen lamps

  • Energy-savings and longer life span.
  • Maintenance free.

MR16 - LED Driver Board (4 x 1W LED at 700mA )
AC input = 12V or 24V (size: diameter 26mm)

LED Driver Board

i/p 12Vac, O/p 7.0V, 700mA

light-up in daylight

light-up in dark area


 
 

E27/GU10 - LED Driver Board (4x1W LED at 700mA)
AC input = 115V or 230V (size: 22mm x 17mm)

 
   
 Different designs are available for different lamp housing – contact our sales Team for details.
  Download our luminance catalogue