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PDFs and Datasheets VR Series Heatsink Datasheet

VR Series Datasheet

Heat Sinks For TO-220, TO-247, Ohmite CS10, IXYS I4 & CPC PAK

VR Series product image

 

Ohmite introduces the VR series heatsink (Pat. Pending). This series offers a low profile, large surface area and is configurable using a universal cam clip system. The VR series is degined to accommodate TO-220, TO-247, and high power IXYS packages. The VR series is thru hole soldered onto PCBs and is ideal for compact (1U or 2U) packaging with forced convection cooling.

Specifications

Surface Area (in2 / mm2):

14 / 9,112

Weight (oz / g):

.95 / 27

Length L (in. / mm):

1.06 / 27

Surface Area (in2 / mm2):

28 / 18,224

Weight (oz / g):

1.9 / 54

Length L (in. / mm):

2.17 / 55

 

* Note: Anodized parts are standard; degreased available on request. 

Characteristics

AL6063-T5

Music wire, per ASTM A228 with bright nickel plating

Steel or brass with pure tin plated. RoHS compliant

 

Thermal Performance

VR Series thermal performance chart

Power Dissipation is 10W, for L=27m, single device, 20W for L=55mm, double devices

Heat Load Area 18mm X 23mm, metal tab

Use T-pcm as Thermal Interface Material or other TIMs, but the thickness must be smaller than 0.01"

Ducted Air Flow

VR Series thermal performance graph

Dimensions

VR Series dimensions

Ordering Information

VR Series heatsink info
VR Series clip info

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