Thermal Extrusions Cut to Length

Aluminum Flatback

• Dimensions: Inches

• Thermal Resistance based on 3 Inch Length in Natural Convection Setting

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

125460

10.78" Wide x 12" Flatback Heatsink

xx4559

10.78

3.77

12

0.5

125461

10.78" Wide x 36" Flatback Heatsink

xx4559

10.78

3.77

36

0.5

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

125577

10.827" Wide x 12" Flatback Heatsink

19572

10.827 1.221

12

0.83

125578

10.827" Wide x 36" Flatback Heatsink

19572

10.827 1.221

36

0.83

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

122261

11.00" Wide x 12" Flatback Heatsink

19584

11

1.375

12

1.43

125653

11.00" Wide x 36" Flatback Heatsink

19584

11

1.375

36

1.43

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

125625

11.811" Wide x 12" Flatback Heatsink

19740

11.811 3.287

12

0.46

125626

11.811" Wide x 36" Flatback Heatsink

19740

11.811 3.287

36

0.46

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

125619

11.875" Wide x 12" Flatback Heatsink

17099

11.875 2.594

12

0.4

125620

11.875" Wide x 36" Flatback Heatsink

17099

11.875 2.594

36

0.4

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

122262

12.25" Wide x 12" Flatback Heatsink

19152 xx4471

12.25

1

12

1.3

125655

12.25" Wide x 36" Flatback Heatsink

19152 xx4471

12.25

1

36

1.3