Thermal Interface Products

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Tflex™ HP34 Thermal Gap Filler

Laird 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 Tflex HP34 Thermal Gap Filler also offers low contact resistance to the mating surfaces.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Package/Case	Material	Thermal Conductivity	Color	Minimum Operating Temperature	Maximum Operating Temperature	Length	Width	Thickness	Flammability Rating	Series	Packaging
Thermal Interface Products 1.00 127x76mm A18330-04 Laird 1: 36,83 € 559In Stock 818On Order	Mfr. Part No. A18330-04 Mouser Part No 739-A18330-04	Laird	Thermal Interface Products 1.00 127x76mm Learn More about Laird tflex hp34	Datasheet	559In Stock 818On Order On Order Ship Dates Mfr. No: A18330-04 Stock: 559 Can Dispatch Immediately On Order: 798 Expected 05/10/2026 20 TBD Factory Lead Time: 14 Weeks	36,83 € 33,47 € 33,46 € 33,13 € View 32,78 € 32,46 € Quote	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 1: 85,48 € 547In Stock 333Expected 23/11/2026	Mfr. Part No. A18330-08 Mouser Part No 739-A18330-08	Laird	Thermal Interface Products 2.00 127x76mm Learn More about Laird tflex hp34	Datasheet	547In Stock 333Expected 23/11/2026	85,48 € 79,21 € 72,15 € 67,51 €	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 1.25 127x76mm A18330-05 Laird 1: 58,56 € 44In Stock	Mfr. Part No. A18330-05 Mouser Part No 739-A18330-05	Laird	Thermal Interface Products 1.25 127x76mm Learn More about Laird tflex hp34	Datasheet	44In Stock	58,56 € 51,87 € 51,62 € 46,60 € View 44,94 € 44,92 € Quote	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 3.00 127x76mm A18330-12 Laird 1: 131,25 € 105In Stock	Mfr. Part No. A18330-12 Mouser Part No 739-A18330-12	Laird	Thermal Interface Products 3.00 127x76mm Learn More about Laird tflex hp34	Datasheet	105In Stock	131,25 € 118,55 € 111,46 € 109,49 € 108,47 €	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 2.50 127x76mm A18330-10 Laird 1: 110,50 € 7In Stock	Mfr. Part No. A18330-10 Mouser Part No 739-A18330-10	Laird	Thermal Interface Products 2.50 127x76mm Learn More about Laird tflex hp34	Datasheet	7In Stock	110,50 € 103,21 € 97,55 € 95,67 € View 93,87 € Quote	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 4.00 127x76mm A18330-16 Laird 1: 172,02 € 4In Stock	Mfr. Part No. A18330-16 Mouser Part No 739-A18330-16	Laird	Thermal Interface Products 4.00 127x76mm Learn More about Laird tflex hp34	Datasheet	4In Stock	172,02 € 156,11 € 151,15 € 149,61 € View Quote	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 1.50 127x76mm A18330-06 Laird 1: 68,23 € 874On Order	Mfr. Part No. A18330-06 Mouser Part No 739-A18330-06	Laird	Thermal Interface Products 1.50 127x76mm Learn More about Laird tflex hp34	Datasheet	874On Order On Order Ship Dates Mfr. No: A18330-06 Stock: 0 On Order: 237 Expected 02/11/2026 137 Expected 16/11/2026 500 Expected 23/11/2026 Factory Lead Time: 14 Weeks	68,23 € 60,37 € 57,78 € 56,12 €	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 1.75 127x76mm A18330-07 Laird 10: 72,76 € Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. A18330-07 Mouser Part No 739-A18330-07	Laird	Thermal Interface Products 1.75 127x76mm Learn More about Laird tflex hp34	Datasheet	Non-Stocked Lead-Time 14 Weeks	72,76 € 69,84 € 68,50 € 67,19 € View Quote	Min.: 10 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 2.25 127x76mm A18330-09 Laird 8: 94,41 € Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. A18330-09 Mouser Part No 739-A18330-09	Laird	Thermal Interface Products 2.25 127x76mm Learn More about Laird tflex hp34	Datasheet	Non-Stocked Lead-Time 14 Weeks	94,41 € 93,54 € 90,10 € 88,38 € View 86,70 € Quote	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 7: 115,41 € Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. A18330-11 Mouser Part No 739-A18330-11	Laird	Thermal Interface Products 2.75 127x76mm Learn More about Laird tflex hp34	Datasheet	Non-Stocked Lead-Time 14 Weeks	115,41 € 112,26 € 108,88 € 107,05 € View 107,03 € Quote	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 6: 136,40 € Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. A18330-13 Mouser Part No 739-A18330-13	Laird	Thermal Interface Products 3.25 127x76mm Learn More about Laird tflex hp34	Datasheet	Non-Stocked Lead-Time 14 Weeks	136,40 € 130,84 € 127,86 € 125,73 € View Quote	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 5: 146,90 € Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. A18330-14 Mouser Part No 739-A18330-14	Laird	Thermal Interface Products 3.50 127x76mm Learn More about Laird tflex hp34	Datasheet	Non-Stocked Lead-Time 14 Weeks	146,90 € 140,24 € 136,68 € 134,13 € View Quote	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 5: 157,38 € Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. A18330-15 Mouser Part No 739-A18330-15	Laird	Thermal Interface Products 3.75 127x76mm Learn More about Laird tflex hp34	Datasheet	Non-Stocked Lead-Time 14 Weeks	157,38 € 150,96 € 147,53 € 145,06 € View Quote	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 5: 178,37 € Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. A18330-17 Mouser Part No 739-A18330-17	Laird	Thermal Interface Products 4.25 127x76mm Learn More about Laird tflex hp34	Datasheet	Non-Stocked Lead-Time 14 Weeks	178,37 € 170,25 € 164,72 € 162,88 € View Quote	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 4: 188,87 € Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. A18330-18 Mouser Part No 739-A18330-18	Laird	Thermal Interface Products 4.50 127x76mm Learn More about Laird tflex hp34	Datasheet	Non-Stocked Lead-Time 14 Weeks	188,87 € 180,27 € 174,42 € 172,46 € View Quote	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 4: 199,37 € Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. A18330-19 Mouser Part No 739-A18330-19	Laird	Thermal Interface Products 4.75 127x76mm Learn More about Laird tflex hp34	Datasheet	Non-Stocked Lead-Time 14 Weeks	199,37 € 190,28 € 183,26 € 182,04 € View Quote	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 4: 212,55 € Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. A18330-20 Mouser Part No 739-A18330-20	Laird	Thermal Interface Products 5.00 127x76mm Learn More about Laird tflex hp34	Datasheet	Non-Stocked Lead-Time 14 Weeks	212,55 € 194,84 € 187,45 € 186,17 € View Quote	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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