.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: 15

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

322400B00000G
Aavid
1: $3.95
2,567In 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

2,567In Stock

$3.95

$3.81

$3.59

$3.45

View

Min.: 1
Mult.: 1

Heat Sinks

TO-18

Snap On

Aluminum

Extruded Radial Fin

100 C/W

5.97 mm

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

7717-18NG
Aavid
1: $1.13
6,762In Stock

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

6,762In Stock

$1.13

$1.12

$1.11

$0.887

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Screw

2.54 mm

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

7717-7NG
Aavid
1: $1.77
8,870In 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

8,870In Stock

$1.77

$1.63

$1.58

$1.54

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, 5.08mm OD, 2.54mm Thickness

7717-18DAPG
Aavid
1: $5.03
5,882In 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

5,882In Stock

$5.03

$4.67

$4.55

$4.30

View

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Heat Sinks Semiconductor Mounting Pad for TO-18, Circular

7717-10DAPG
Aavid
1: $1.32
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

$1.32

$1.18

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
1: $1.38
5,000In Stock
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

5,000In Stock

$1.38

$1.26

$1.24

$1.06

Min.: 1
Mult.: 1

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
1: $2.35
5,183In Stock
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

5,183In Stock

$2.35

$2.03

$1.90

$1.82

View

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Screw

3.18 mm

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

7717-153DAPG
Aavid
1: $0.89
22,132Expected 20/5/2026
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

22,132Expected 20/5/2026

$0.89

$0.783

$0.749

$0.731

View

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Screw

0.96 mm

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

7717-108DAPG
Aavid
16,000: $0.94
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

$0.94

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: $1.31
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

$1.31

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: $0.645
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

$0.645

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: $1.01
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

$1.01

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
1: $1.75
Non-Stocked Lead-Time 16 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 16 Weeks

$1.75

$1.67

$1.65

$1.64

View

Min.: 1
Mult.: 1

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: $1.24
Non-Stocked Lead-Time 16 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 16 Weeks

$1.24

$1.23

$1.05

Min.: 1
Mult.: 1

Accessories and Hardware

TO-18

Heat Sinks Semiconductor Mounting Pad for TO-18

7717-157MREVB
Aavid
1,000: $2.47
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

$2.47

$2.36

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

Heat Sinks

TO-18

TO-18 Heat Sinks

Customer Service Office

Company

Resources

Support