.hide-partial { max-height: none; } .show-more { display: none; }

TO-18 Heat Sinks

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 17

Applied Filters:

Designed for = TO-18

Product

Mounting Style

Heatsink Material

Fin Style

Thermal Resistance

Length

Height

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 6.35mm OD, 2.03mm Thickness

7717-89DAPG
Aavid
1: £2.36
2,312In Stock

Mfr. Part No.
7717-89DAPG

Mouser Part No
532-7717-89DAPG

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 6.35mm OD, 2.03mm Thickness

Datasheet

2,312In Stock

£2.36

£2.17

£2.12

£2.01

View

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Heat Sinks Semi Mounting Pad for TO-18, Nylon, 4 Leads, 6.35mm OD, 3.18mm Thickness

7717-7NG
Aavid
1: £0.18
20,620In Stock

Mfr. Part No.
7717-7NG

Mouser Part No
532-7717-7N

Aavid

Heat Sinks Semi Mounting Pad for TO-18, Nylon, 4 Leads, 6.35mm OD, 3.18mm Thickness

Datasheet

20,620In Stock

£0.18

£0.158

£0.151

£0.146

View

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Screw

5.08 mm

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 6.35mm OD, 0.97mm Thickness

7717-153DAPG
Aavid
1: £0.586
22,307In Stock
Factory Special Order

Mfr. Part No.
7717-153DAPG

Mouser Part No
532-7717-153DAPG

Factory Special Order

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 6.35mm OD, 0.97mm Thickness

Datasheet

22,307In Stock

£0.586

£0.514

£0.491

£0.478

View

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Screw

0.96 mm

Heat Sinks Push-On Style Heat Sink for TO-18, Vertical, Black Anodized, 12.7x12.7x5.97mm

322400B00000G
Aavid
1: £2.73
2,160In Stock

Mfr. Part No.
322400B00000G

Mouser Part No
532-322400B00

Aavid

Heat Sinks Push-On Style Heat Sink for TO-18, Vertical, Black Anodized, 12.7x12.7x5.97mm

Datasheet

2,160In Stock

£2.73

£2.42

£2.30

£2.19

View

Min.: 1
Mult.: 1

Heat Sinks

TO-18

Snap On

Aluminum

Extruded Radial Fin

100 C/W

5.97 mm

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 5.08mm OD, 2.54mm Thickness

7717-18DAPG
Aavid
1: £2.72
5,765In Stock
Factory Special Order

Mfr. Part No.
7717-18DAPG

Mouser Part No
532-7717-18DAPG

Factory Special Order

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 5.08mm OD, 2.54mm Thickness

Datasheet

5,765In Stock

£2.72

£2.53

£2.46

£2.33

View

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Heat Sinks Semi Mounting Pad for TO-18, Nylon, 4 Leads, 5.72mm OD, 2.54mm Thickness

7717-18NG
Aavid
1: £0.526
2,015In Stock
10,000Expected 31/12/2026

Mfr. Part No.
7717-18NG

Mouser Part No
532-7717-18NG

Aavid

Heat Sinks Semi Mounting Pad for TO-18, Nylon, 4 Leads, 5.72mm OD, 2.54mm Thickness

Datasheet

2,015In Stock

10,000Expected 31/12/2026

£0.526

£0.466

£0.443

£0.431

View

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Screw

2.54 mm

Heat Sinks Semiconductor Mounting Pad for TO-18, Circular

7717-10DAPG
Aavid
1: £0.713
8,572In Stock
Factory Special Order

Mfr. Part No.
7717-10DAPG

Mouser Part No
532-7717-10DAP

Factory Special Order

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18, Circular

8,572In Stock

£0.713

£0.626

£0.608

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 5.08mm OD, 0.51mm Thickness

7717-16DAPG
Aavid
1: £2.36
3,320Expected 01/09/2026

Mfr. Part No.
7717-16DAPG

Mouser Part No
532-7717-16DAPG

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 5.08mm OD, 0.51mm Thickness

Datasheet

3,320Expected 01/09/2026

£2.36

£2.17

£2.12

£2.01

View

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Screw

0.51 mm

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 5.26mm OD, 1.78mm Thickness

7717-108DAPG
Aavid
16,000: £0.507
Non-Stocked Lead-Time 32 Weeks

Mfr. Part No.
7717-108DAPG

Mouser Part No
532-7717-108DAPG

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 5.26mm OD, 1.78mm Thickness

Datasheet

Non-Stocked Lead-Time 32 Weeks

£0.507

Min.: 16,000
Mult.: 1,000

Accessories and Hardware

TO-18

Heat Sinks Semiconductor Mounting Pad for TO-18, Nylon, Diameter 6.35mm

7717-149NG
Aavid
6,000: £0.788
Non-Stocked Lead-Time 32 Weeks

Mfr. Part No.
7717-149NG

Mouser Part No
532-7717-149NG

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18, Nylon, Diameter 6.35mm

Datasheet

Non-Stocked Lead-Time 32 Weeks

£0.788

Min.: 6,000
Mult.: 3,000

Accessories and Hardware

TO-18

Heat Sinks Semiconductor Mounting Pad for TO-18, Nylon, 5.08mm OD, 1.14mm Thickness

7717-152NG
Aavid
10,000: £0.348
Non-Stocked Lead-Time 32 Weeks

Mfr. Part No.
7717-152NG

Mouser Part No
532-7717-152NG

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18, Nylon, 5.08mm OD, 1.14mm Thickness

Datasheet

Non-Stocked Lead-Time 32 Weeks

£0.348

Min.: 10,000
Mult.: 1,000

Accessories and Hardware

TO-18

Heat Sinks Semi Mounting Pad for TO-18, Nylon, 4 Leads, 6.35mm OD, 0.97mm Thickness

7717-153NG
Aavid
6,000: £0.737
Non-Stocked Lead-Time 32 Weeks

Mfr. Part No.
7717-153NG

Mouser Part No
532-7717-153N

Aavid

Heat Sinks Semi Mounting Pad for TO-18, Nylon, 4 Leads, 6.35mm OD, 0.97mm Thickness

Datasheet

Non-Stocked Lead-Time 32 Weeks

£0.737

Min.: 6,000
Mult.: 3,000

Accessories and Hardware

TO-18

Heat Sinks Semiconductor Mounting Pad for TO-18, Nylon, 6.10mm OD, 4.57mm Thickness

7717-239NG
Aavid
6,000: £0.641
Non-Stocked Lead-Time 21 Weeks

Mfr. Part No.
7717-239NG

Mouser Part No
532-7717-239NG

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18, Nylon, 6.10mm OD, 4.57mm Thickness

Datasheet

Non-Stocked Lead-Time 21 Weeks

£0.641

Min.: 6,000
Mult.: 2,000

Accessories and Hardware

TO-18

Heat Sinks Semi Mounting Pad for TO-18, Nylon, 4 Leads, 6.35mm OD, 2.03mm Thickness

7717-89NG
Aavid
1: £0.30
Non-Stocked Lead-Time 21 Weeks

Mfr. Part No.
7717-89NG

Mouser Part No
532-7717-89NG

Aavid

Heat Sinks Semi Mounting Pad for TO-18, Nylon, 4 Leads, 6.35mm OD, 2.03mm Thickness

Datasheet

Non-Stocked Lead-Time 21 Weeks

£0.30

£0.293

£0.249

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Heat Sinks Semi Mounting Pad for TO-18, Nylon, 4 Leads, 5.08mm OD, 0.51mm Thickness

7717-16NG
Aavid
Non-Stocked Lead-Time 33 Weeks
Factory Special Order

Mfr. Part No.
7717-16NG

Mouser Part No
532-7717-16NG

Factory Special Order

Aavid

Heat Sinks Semi Mounting Pad for TO-18, Nylon, 4 Leads, 5.08mm OD, 0.51mm Thickness

Datasheet

Non-Stocked Lead-Time 33 Weeks

Quote

Accessories and Hardware

TO-18

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 6.35mm OD, 3.18mm Thickness

7717-7DAPG
Aavid
Non-Stocked Lead-Time 33 Weeks
Factory Special Order

Mfr. Part No.
7717-7DAPG

Mouser Part No
532-7717-7DAPG

Factory Special Order

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18, DAP, 4 Leads, 6.35mm OD, 3.18mm Thickness

Datasheet

Non-Stocked Lead-Time 33 Weeks

Quote

Accessories and Hardware

TO-18

Screw

3.18 mm

Heat Sinks Semiconductor Mounting Pad for TO-18

7717-157MREVB
Aavid
1,000: £1.41
Non-Stocked Lead-Time 32 Weeks

Mfr. Part No.
7717-157MREVB

Mouser Part No
532-7717-157MREVB

Aavid

Heat Sinks Semiconductor Mounting Pad for TO-18

Non-Stocked Lead-Time 32 Weeks

£1.41

Min.: 1,000
Mult.: 1,000

Heat Sinks

TO-18

TO-18 Heat Sinks

Customer Service Office

Company

Resources

Support