Specification Brand : uxcell BulletPoint1 : Package Content: 1 x Heatsink;Protduct Name: Heatsink; BulletPoint2 : Fit For: Solid State Relay; Net Weight: 91g BulletPoint3 : Size: 80 x 50 x 50mm/3.1" x 2" x 2"(L*W*H) BulletPoint4 : Material: Aluminum; Main Color: Silver Tone BulletPoint5 : Mounting Hole Dia: 5.5mm/0.22" 3.3mm/0.13"; Mounting Hole Center Distance: 70mm/2.75" 48mm/1.89" Color : Copper 1-pack 4mm CompatibleDevices : Desktop CoolingMethod : Air CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 6091022468583 ExternallyAssignedProductIdentifier1 : 0690551006967 ExternallyAssignedProductIdentifier2 : 690551006967 ItemName : uxcell Aluminium Heat Dissipation Heatsink Cooling Fin for Solid State Relay ItemPackageDimensions_Height : 13.5 centimeters ItemPackageDimensions_Length : 7.2 centimeters ItemPackageDimensions_Width : 12.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : desktop-computer-heatsinks Manufacturer : uxcell Material : Acrylonitrile Butadiene Styrene (ABS) MaximumRotationalSpeed : 1500 rpm ModelNumber : a16060300ux0245 MountingType : Panel Mount PartNumber : a16060300ux0245 Pattern : Redrive PowerConnectorType : 3-Pin ProductDescription : 1. Aluminum heatsink are generally used in the heat treatment and the solid state relay. 2. The fins increase the area of the board and thus provide for greater heat transfer. 3. Highly reliable and easy installation.