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"

125373

4.375" Wide x 12" Flatback heatsink

16296 xx1527

4.375

1.29

12

1.4

125374

4.375" Wide x 36" Flatback heatsink

16296 xx1527

4.375

1.29

36

1.4

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

125397

5.00" Wide x 12" Flatback Heatsink

16338 xx2065

5

1.75

12

1.6

125398

5.00" Wide x 36" Flatback Heatsink

16338 xx2065

5

1.75

36

1.6

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

125403

5.375" x 12" Flatback Heatsink 6037

xx5045

5.375

1.312

12

1.8

125404

5.375" x 36" Flatback Heatsink 6037

xx5045

5.375

1.312

36

1.8

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

125409

5.50" x 12" Flatback Heatsink 13760

xx2199

5.5

2

12

1.2

125410

5.50" x 36" Flatback Heatsink 13760

xx2199

5.5

2

36

1.2

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

125415

6.50" x 12" Flatback Heatsink 6664

xx4509

6.5

1.6

12

1.3

125416

6.50" x 36" Flatback Heatsink 6664

xx4509

6.5

1.6

36

1.3

WKV Part

Number

Description

Width Height Length

Thermal

Resistance

°C/w/3"

125421

6.624" Wide x 12" Flatback heatsink

16524 xx7031

6.624

1.312

12

1.3

125422

6.624" Wide x 36" Flatback heatsink

16524 xx7031

6.624

1.312

36

1.3