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Phoenix Metal Co., Ltd
Professional metal fabrication manufacturer and exporter
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OEM anodizing finned aluminum heat sinks

Phoenix Metal Co., Ltd

OEM anodizing finned aluminum heat sinks

Place of Origin : China

Brand Name : Phoenix

Certification : ISO

Model Number : CN-058

MOQ : 2000

Price : negotiation

Packaging Details : standard export packing

Delivery Time : 10-25 days

Payment Terms : T/T

Supply Ability : 3000/week

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OEM anodizing finned aluminum heat sinks

All the products show on our website for reference only and there is not stock. Thanks

Folded fin heat sinks are produced by a progressive stamping method, and then bonded to the heat

sink base. An advantage of folded fin heat sinks is the ability to combine aluminum and copper to tailor

the performance of the heat sink to the particular application. If the heat must be spread over a large

heat sink base, copper can be used for its high conductivity, yet the heat sink fins can be produced from

aluminum, due to its low weight and cost. On the other hand, copper heat sink fins may be advantageous

due to its higher fin efficiency, and aluminum may be used in the heat sink base

Advantage:

· Lightest weight of all heat sink manufacturing methods

· Allows the thinnest fins (down to 0.1 mm thick)

· Allows more fins per inch of width

· Minimized mounting base thickness

· Maximum surface area per cubic volume for heat dissipation

· Very high aspect ratios

· Fins and base can be made out of different metals (copper base, aluminum fins)

Disadvantage:

· Requires joints which reduce thermal conductivity (diffusion bonded folded fin heatsinks offer much improved conductivity)

· More costly than skived fins or extrusion

· Some materials (aluminum) require nickel plating to allow soldering

Heat sink comparison for different process:

Comparison

Die casting

Extrusion

Stacked fin

Folded fin

Skived fin

Cost

medium to low

low

high

medium

low

Tooling Lead-Time

long

short

long

long

medium

Weight

medium

heavy

light

light

medium

Performance

high

limited

best

medium

limited


China OEM anodizing finned aluminum heat sinks wholesale

OEM anodizing finned aluminum heat sinks Images

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