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6W LED Cold Forging Cob Downlight 36*30mm heatsink

6W LED Cold Forging Cob Downlight 36*30mm heatsink

cob led heatsink
Brand Name
Model Number
Place of Origin
Shenzhen, China (Mainland)
Paper carton with wooden pallet
led Down Light
T/T,L/C,Western Union,Paypal
Delivery Time
Shipped in 15days after payment
Quality Guarantee
1 year
Place of Origin:Shenzhen, China (Mainland)OEM:Yes
Process:Cold ForgingCooling typePassive
Material: AL 1070Shape:Round
Packing:Paper carton with wooden pallet

Surface Treatment Options:


COB LED  Down Light 

Total Dissipated Power (W):

6 w
Model Number:


Fin Heigh:36 mm

Anodized Black

Weight:43 g
Extra process:CNC Machining



Product environmental complianceRoHS and REACH compliant
Product Description
Cold forged heatsink

LED Cold Forging Cob Downlight 36*30mm heatsink 

A. The cold forging heatsink is made of 1070 pure aluminum with a thermal conductivity of 226m. K, and the blade can be 0.8 thick to increase the heat radiation surface area of the product. The integrated heat sink with the same volume and shape can be used for the heat dissipation of larger power products, and it is lighter in weight and saves more transportation costs

B. The thermal conductivity of the same integrated die-casting product material is only 96m. K, and the blade should not be too thin to increase the weight of the product. The surface of die-casting products can not be anodized, but can only be painted, which will affect the heat emission 

C. The thermal conductivity coefficient of automotive aluminum profiles is only 136-196m. K, and the heatsink of aluminum profiles is split, and the joint has a great influence on the heat conduction, which is only about 60% of the same type of integrated products. Two cold extruded one-piece heat sinks of the same volume shape and conventional aluminum car heat sinks are used on products with the same power. The one-piece heat sink temperatures are about 5-6 degrees lower, which can greatly extend product life.

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