Thermal Interface Products

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Tflex™ HP34 Thermal Gap Filler

Laird Technologies Tflex™ HP34 Thermal Gap Filler is a silicone-free, high-performance gap filler made of aligned graphite fibers that provide an alternative to messy grease gap fillers. The graphite fibers are aligned to provide high bulk thermal conductivity of 34W/mK. In addition, the Tflex HP34 series is designed to maintain its thermal performance within an application under increased pressure. The ideal performance will occur in the lower pressure range of 10psi to 30psi. Laird Technologies Tflex HP34 Thermal Gap Filler also offers low contact resistance to the mating surfaces.

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Part #

Thermal Interface Products 1.00 127x76mm

A18330-04
Laird Technologies
1: $57.00
658In Stock
501Expected 2026-06-10

Mfr. Part #
A18330-04

Mouser Part #
739-A18330-04

Laird Technologies

Thermal Interface Products 1.00 127x76mm

Learn More

Datasheet

658In Stock

501Expected 2026-06-10

$57.00

$56.03

$55.47

$54.89

$54.35

Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

1 mm

UL 94 V-0

HP34

Bulk

Thermal Interface Products 2.00 127x76mm

A18330-08
Laird Technologies
1: $143.12
385In Stock
404On Order

Mfr. Part #
A18330-08

Mouser Part #
739-A18330-08

Laird Technologies

Thermal Interface Products 2.00 127x76mm

Learn More

Datasheet

385In Stock

404On Order

$143.12

$126.65

$120.61

$111.25

Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

2 mm

UL 94 V-0

HP34

Bulk

Thermal Interface Products 3.00 127x76mm

A18330-12
Laird Technologies
1: $220.42
139In Stock

Mfr. Part #
A18330-12

Mouser Part #
739-A18330-12

Laird Technologies

Thermal Interface Products 3.00 127x76mm

Learn More

Datasheet

139In Stock

$220.42

$199.35

$186.64

$179.76

View

Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

3 mm

UL 94 V-0

HP34

Bulk

Thermal Interface Products 1.25 127x76mm

A18330-05
Laird Technologies
1: $100.30
39In Stock
28Expected 2026-08-24

Mfr. Part #
A18330-05

Mouser Part #
739-A18330-05

Laird Technologies

Thermal Interface Products 1.25 127x76mm

Learn More

Datasheet

39In Stock

28Expected 2026-08-24

$100.30

$88.59

$86.41

$74.61

View

Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

1.25 mm

UL 94 V-0

HP34

Bulk

Thermal Interface Products 1.50 127x76mm

A18330-06
Laird Technologies
1: $109.07
96In Stock
85Expected 2026-07-20

Mfr. Part #
A18330-06

Mouser Part #
739-A18330-06

Laird Technologies

Thermal Interface Products 1.50 127x76mm

Learn More

Datasheet

96In Stock

85Expected 2026-07-20

$109.07

$96.54

$96.42

View

Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

1.5 mm

UL 94 V-0

HP34

Bulk

Thermal Interface Products 2.50 127x76mm

A18330-10
Laird Technologies
1: $186.02
10In Stock

Mfr. Part #
A18330-10

Mouser Part #
739-A18330-10

Laird Technologies

Thermal Interface Products 2.50 127x76mm

Learn More

Datasheet

10In Stock

$186.02

$172.81

$161.28

$155.52

View

Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

2.5 mm

UL 94 V-0

HP34

Bulk

Thermal Interface Products 1.75 127x76mm

A18330-07
Laird Technologies
1: $132.83
4In Stock

Mfr. Part #
A18330-07

Mouser Part #
739-A18330-07

Laird Technologies

Thermal Interface Products 1.75 127x76mm

Learn More

Datasheet

4In Stock

$132.83

$120.93

$112.87

$108.84

$104.80

Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

1.75 mm

UL 94 V-0

HP34

Bulk

Thermal Interface Products 4.00 127x76mm

A18330-16
Laird Technologies
1: $275.36
5Expected 2026-07-13

Mfr. Part #
A18330-16

Mouser Part #
739-A18330-16

Laird Technologies

Thermal Interface Products 4.00 127x76mm

Learn More

Datasheet

5Expected 2026-07-13

$275.36

$247.25

$243.35

$237.70

View

Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

4 mm

UL 94 V-0

HP34

Bulk

Thermal Interface Products 2.25 127x76mm

A18330-09
Laird Technologies
8: $167.36
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
A18330-09

Mouser Part #
739-A18330-09

Laird Technologies

Thermal Interface Products 2.25 127x76mm

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$167.36

$155.49

$145.11

$139.92

$134.76

Min.: 8
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

2.25 mm

UL 94 V-0

HP34

Bulk

Thermal Interface Products 2.75 127x76mm

A18330-11
Laird Technologies
7: $203.37
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
A18330-11

Mouser Part #
739-A18330-11

Laird Technologies

Thermal Interface Products 2.75 127x76mm

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$203.37

$182.72

$171.37

$165.14

Min.: 7
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Non-standard

127 mm

76 mm

2.75 mm

HP34

Bulk

Thermal Interface Products 3.25 127x76mm

A18330-13
Laird Technologies
6: $237.12
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
A18330-13

Mouser Part #
739-A18330-13

Laird Technologies

Thermal Interface Products 3.25 127x76mm

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$237.12

$209.79

$199.81

$192.60

Min.: 6
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Non-standard

127 mm

76 mm

3.25 mm

HP34

Bulk

Thermal Interface Products 3.50 127x76mm

A18330-14
Laird Technologies
5: $255.37
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
A18330-14

Mouser Part #
739-A18330-14

Laird Technologies

Thermal Interface Products 3.50 127x76mm

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$255.37

$225.92

$215.18

$207.40

Min.: 5
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

3.5 mm

UL 94 V-0

HP34

Bulk

Thermal Interface Products 3.75 127x76mm

A18330-15
Laird Technologies
5: $273.60
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
A18330-15

Mouser Part #
739-A18330-15

Laird Technologies

Thermal Interface Products 3.75 127x76mm

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$273.60

$242.06

$230.54

$222.22

Min.: 5
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Non-standard

127 mm

76 mm

3.75 mm

HP34

Bulk

Thermal Interface Products 4.25 127x76mm

A18330-17
Laird Technologies
5: $305.65
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
A18330-17

Mouser Part #
739-A18330-17

Laird Technologies

Thermal Interface Products 4.25 127x76mm

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$305.65

$274.19

$257.52

$251.86

Min.: 5
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Non-standard

127 mm

76 mm

4.25 mm

HP34

Bulk

Thermal Interface Products 4.50 127x76mm

A18330-18
Laird Technologies
4: $323.64
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
A18330-18

Mouser Part #
739-A18330-18

Laird Technologies

Thermal Interface Products 4.50 127x76mm

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$323.64

$290.33

$272.68

$266.69

Min.: 4
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Non-standard

127 mm

76 mm

4.5 mm

HP34

Bulk

Thermal Interface Products 4.75 127x76mm

A18330-19
Laird Technologies
4: $338.63
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
A18330-19

Mouser Part #
739-A18330-19

Laird Technologies

Thermal Interface Products 4.75 127x76mm

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$338.63

$306.46

$285.28

$281.51

Min.: 4
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Non-standard

127 mm

76 mm

4.75 mm

HP34

Bulk

Thermal Interface Products 5.00 127x76mm

A18330-20
Laird Technologies
4: $356.44
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
A18330-20

Mouser Part #
739-A18330-20

Laird Technologies

Thermal Interface Products 5.00 127x76mm

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$356.44

$322.59

$300.30

$296.31

Min.: 4
Mult.: 1

Gap Fillers / Gap Pads / Sheets

Thermal Pad

Non-standard

Graphite

34 W/m-K

Gray

- 40 C

+ 125 C

127 mm

76 mm

5 mm

UL 94 V-0

HP34

Bulk

Tflex™ HP34 Thermal Gap Filler

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