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Copper & Aluminum Skived Fin Heat Sink


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Skived Fin heat sinks can be an alternative to extruded heat sinks when looking for a fin density which can’t be achieved by extrusion technology. Skived heat sinks can be manufactured from either copper or aluminum and usually have 0.5 (0.020”) thick fins.

Skived heat sinks are produced using a series of sharp knives that, as they pass over the material, curl up a small thickness of metal which is then bent vertically to form the fin. Skived fins are produced from a bar of material which is approximately 16 feet in length and then cut to length as required by the final application.

The final heat sink can be machined using normal fabrication techniques. Because of the thin fins, care must be taken in handling to prevent damage. It is suggested that a shroud be placed over the fins to help prevent damage. Wakefield- Vette SKV Series offers standard off the shelf solutions for customer applications in addition to custom solutions utilizing a plastic pin attachment.

Features:

•Plastic push pin attachment for easy insertion
•Plastic pins ensure integrity of the PCB Board
•High fin densities in comparison to extrusion
•No interface between fins and base
•Minimal tooling cost for non-standards

•Improved thermal performance

WKV Part Number

Description

Attachment Method

Length

Width

Height Off Base (Height of Fin)

Thermal Resistance @ Forced Air Flow

Thermal Resistance @ Natural

Material

SKV38538514-CU

COPPER HEATSINK 38.5X37.6X14MM

Plastic Push Pin

1.480" (37.59mm)

1.516" (38.50mm)

0.551" (14.00mm)

2.60°C/W @ 200 LFM

15.90°C/W

Copper

SKV38538514-AL

ALUMINUM HEATSINK 38.5X37.6X14MM

Plastic Push Pin

1.480" (37.59mm)

1.516" (38.50mm)

0.551" (14.00mm)

2.70°C/W @ 200 LFM

17.20°C/W

Aluminum

SKV4545225-CU

COPPER HEATSINK 45X44X22.5MM

Plastic Push Pin

1.732" (44.00mm)

1.772" (45.00mm)

0.886" (22.50mm)

1.65°C/W @ 200 LFM

8.00°C/W

Copper

SKV4545225-AL

ALUMINUM HEATSINK 45X44X22.5MM

Plastic Push Pin

1.732" (44.00mm)

1.772" (45.00mm)

0.886" (22.50mm)

1.75°C/W @ 200 LFM

8.70°C/W

Aluminum

SKV505014-CU

COPPER HEATSINK 50X50X14MM

Plastic Push Pin

1.969" (50.00mm)

1.969" (50.00mm)

0.551" (14.00mm)

2.10°C/W @ 200 LFM

8.90°C/W

Copper

SKV505014-AL

ALUMINUM HEATSINK 50X50X14MM

Plastic Push Pin

1.969" (50.00mm)

1.969" (50.00mm)

0.551" (14.00mm)

2.20°C/W @ 200 LFM

9.90°C/W

Aluminum

SKV585811-CU

COPPER HEATSINK 57.9X59X11MM

Plastic Push Pin

2.323" (59.00mm)

2.280" (57.91mm)

0.433" (11.00mm)

1.90°C/W @ 200 LFM

7.70°C/W

Copper

SKV585811-AL

ALUMINUM HEATSINK 57.9X59X11MM

Plastic Push Pin

2.323" (59.00mm)

2.280" (57.91mm)

0.433" (11.00mm)

2.00°C/W @ 200 LFM

8.40°C/W

Aluminum

SKV606014-CU

COPPER HEATSINK 60X60X14MM

Plastic Push Pin

2.362" (60.00mm)

2.362" (60.00mm)

0.551" (14.00mm)

1.70°C/W @ 200 LFM

7.00°C/W

Copper

SKV606014-AL

ALUMINUM HEATSINK 60X60X14MM

Plastic Push Pin

2.362" (60.00mm)

2.362" (60.00mm)

0.551" (14.00mm)

1.80°C/W @ 200 LFM

7.60°C/W

Aluminum

SKV606021-CU

COPPER HEATSINK 60X60X21MM

Plastic Push Pin

2.362" (60.00mm)

2.362" (60.00mm)

0.866" (21.00mm)

0.80°C/W @ 300 LFM

7.20°C/W

Copper

SKV606021-AL

ALUMINUM HEATSINK 60X60X21MM

Plastic Push Pin

2.362" (60.00mm)

2.362" (60.00mm)

0.866" (21.00mm)

0.90°C/W @ 200 LFM

7.90°C/W

Aluminum

SKV707014-CU

COPPER HEATSINK 70X70X14MM

Plastic Push Pin

2.717" (69.00mm)

2.756" (70.00mm)

0.551" (14.00mm)

1.40°C/W @ 200 LFM

5.60°C/W

Copper

SKV707014_AL

ALUMINUM HEATSINK 70X70X14MM

Plastic Push Pin

2.717" (69.00mm)

2.756" (70.00mm)

0.551" (14.00mm)

1.50°C/W @ 200 LFM

6.30°C/W

Aluminum

SKV808012-CU

COPPER HEATSINK 80X80X12MM

Plastic Push Pin

3.150" (80.00mm)

3.150" (80.00mm)

0.472" (12.00mm)

1.20°C/W @ 200 LFM

5.10°C/W

Copper

SKV808012-AL

ALUMINUM HEATSINK 80X80X12MM

Plastic Push Pin

3.150" (80.00mm)

3.150" (80.00mm)

0.472" (12.00mm)

1.30°C/W @ 200 LFM

5.70°C/W

Aluminum

SKV909010-CU

COPPER HEATSINK 90X90X10MM

Plastic Push Pin

3.543" (90.00mm)

3.543" (90.00mm)

0.394" (10.00mm)

1.30°C/W @ 200 LFM

4.50°C/W

Copper

SKV909010-AL

ALUMINUM HEATSINK 90X90X10MM

Plastic Push Pin

3.543" (90.00mm)

3.543" (90.00mm)

0.394" (10.00mm)

1.40°C/W @ 200 LFM

5.00°C/W

Aluminum




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