Thermal Interface Products – Mouser United Kingdom

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TPutty™ Gap Fillers

Laird TPutty™ Gap Fillers are soft, low-abrasive silicone-based thermal gap fillers ideal for applications with large or uneven gap tolerances. Gap filler is used to bridge the interface between hot components and a chassis or heat sink assembly when the elimination of mechanical stress or bulk dispensing is a critical design consideration. The material allows for minimal to no pressure transfer between mating parts. With a UL 94V-0 flammability rating, Laird TPutty™ Gap Fillers provide excellent thermal performance and compliance.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Material	Thermal Conductivity	Breakdown Voltage	Color	Minimum Operating Temperature	Maximum Operating Temperature	Length	Width	Thickness	Tensile Strength	Flammability Rating	Series	Packaging
Thermal Interface Products T PUTTY 502 SILICONE CN02572-8 100CC A10548-5 Laird Technologies 1: £110.56 30In Stock	Mfr. Part No. A10548-5 Mouser Part No 739-A10548-5	Laird Technologies	Thermal Interface Products T PUTTY 502 SILICONE CN02572-8 100CC Learn More about Laird Technologies laird tputty gap filler	Datasheet	30In Stock	£110.56 £104.26 £100.60	Min.: 1 Mult.: 1	Thermally Conductive Adhesives	Thermal Pad	Boron Nitride	3 W/m-K		White	- 45 C	+ 200 C				10 psi	UL 94 V-0	Tputty 502	Bulk
Thermal Interface Products TPUTTY 403 SYRINGE 30CC A16872-09 Laird Technologies 1: £65.67 20In Stock	Mfr. Part No. A16872-09 Mouser Part No 739-A16872-09	Laird Technologies	Thermal Interface Products TPUTTY 403 SYRINGE 30CC Learn More about Laird Technologies laird tputty gap filler	Datasheet	20In Stock	£65.67 £55.59 £53.05 £51.41 £51.30	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Silicone Elastomer	2.3 W/m-K	6 kVAC	White	- 45 C	+ 150 C					UL 94 V-0	Tputty 403	Bulk
Thermal Interface Products Tputty 502 80 FG2 9x9" 3W/mK XSoft A10237-21 Laird Technologies 1: £175.57 17In Stock	Mfr. Part No. A10237-21 Mouser Part No 739-A10237-21	Laird Technologies	Thermal Interface Products Tputty 502 80 FG2 9x9" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	17In Stock	£175.57 £160.65 £160.28 View Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Boron Nitride	3 W/m-K	5 kVAC	White	- 45 C	+ 200 C			0.08 in		UL 94 V-0	Tputty 502	Bulk
Thermal Interface Products TPUTTY 506 180cc CARTRIDGE A16412-02 Laird Technologies 1: £151.53 35In Stock 100Expected 04/01/2027	Mfr. Part No. A16412-02 Mouser Part No 739-A16412-02	Laird Technologies	Thermal Interface Products TPUTTY 506 180cc CARTRIDGE Learn More about Laird Technologies laird tputty gap filler		35In Stock 100Expected 04/01/2027	£151.53 £135.93	Min.: 1 Mult.: 1	Thermally Conductive Adhesives	Silicone Putty	Silicone Elastomer	3.5 W/m-K		Turquoise	- 45 C	+ 200 C					UL 94 V-0	Tputty 506	Bulk
Thermal Interface Products Tputty 502 40 FG2 9x9" 3W/mK XSoft A10233-30 Laird Technologies 1: £100.31 2In Stock	Mfr. Part No. A10233-30 Mouser Part No 739-A10233-30	Laird Technologies	Thermal Interface Products Tputty 502 40 FG2 9x9" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	2In Stock	£100.31 £90.02 £88.13 View Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Boron Nitride	3 W/m-K	4 kVAC	White	- 45 C	+ 200 C	229 mm	229 mm	0.04 in		UL 94 V-0	Tputty 502	Bulk
Thermal Interface Products Tputty 502-020 FG2 9" x 9" sheet A10538-17 Laird Technologies 1: £59.99 6In Stock	Mfr. Part No. A10538-17 Mouser Part No 739-A10538-17	Laird Technologies	Thermal Interface Products Tputty 502-020 FG2 9" x 9" sheet Learn More about Laird Technologies laird tputty gap filler	Datasheet	6In Stock	£59.99 £53.09 £51.38 View Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Boron Nitride	3 W/m-K	2 kVAC	White	- 45 C	+ 200 C	229 mm	229 mm	0.51 mm	10 psi	UL 94 V-0	Tputty 502	Bulk
Thermal Interface Products 30CC,NET 30CC A17251-09 Laird Technologies 1: £79.61 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. A17251-09 Mouser Part No 739-A17251-09	Laird Technologies	Thermal Interface Products 30CC,NET 30CC Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 10 Weeks	£79.61 £77.21 £69.60 £65.51 View £63.50 Quote	Min.: 72 Mult.: 18	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Silicone Elastomer	6.4 W/m-K	6 kVAC	Blue	- 40 C	+ 150 C					UL 94 V-0	Tputty 607	Bulk
Thermal Interface Products Tputty 502 60 FG2 9x9" 3W/mK XSoft A10235-31 Laird Technologies 1: £138.78 154On Order	Mfr. Part No. A10235-31 Mouser Part No 739-A10235-31	Laird Technologies	Thermal Interface Products Tputty 502 60 FG2 9x9" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	154On Order On Order Ship Dates Mfr. No: A10235-31 Stock: 0 On Order: 6 Expected 07/12/2026 106 Expected 25/01/2027 42 Expected 02/02/2027 Factory Lead Time: 12 Weeks	£138.78 £123.19 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Boron Nitride	3 W/m-K	5 kVAC	White	- 45 C	+ 200 C	229 mm		1.52 mm	10 psi	UL 94 V-0	Tputty 502	Bulk
Thermal Interface Products Tputty 502 180 FG2 9x9" 3W/mK XSoft A10247-04 Laird Technologies 1: £370.53 13Expected 14/12/2026	Mfr. Part No. A10247-04 Mouser Part No 739-A10247-04	Laird Technologies	Thermal Interface Products Tputty 502 180 FG2 9x9" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	13Expected 14/12/2026	£370.53 £356.89	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets			3 W/m-K										Tputty 502	Bulk
Thermal Interface Products TPUTTY 403 CARTRIDGE, 180CC A16872-03 Laird Technologies 1: £101.41 18Expected 11/01/2027	Mfr. Part No. A16872-03 Mouser Part No 739-A16872-03	Laird Technologies	Thermal Interface Products TPUTTY 403 CARTRIDGE, 180CC Learn More about Laird Technologies laird tputty gap filler	Datasheet	18Expected 11/01/2027	£101.41 £92.53 £86.33 £85.05 View £84.17 Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Silicone Elastomer			White	- 45 C	+ 150 C					UL 94 V-0	Tputty 403	Bulk
Thermal Interface Products TPUTTY 403 CARTRIDGE A16872-04 Laird Technologies 1: £165.25 36Expected 09/11/2026	Mfr. Part No. A16872-04 Mouser Part No 739-A16872-04	Laird Technologies	Thermal Interface Products TPUTTY 403 CARTRIDGE Learn More about Laird Technologies laird tputty gap filler	Datasheet	36Expected 09/11/2026	£165.25 £150.65 £141.07 £140.16 View Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Silicone Elastomer			White	- 45 C	+ 150 C					UL 94 V-0	Tputty 403	Bulk
Thermal Interface Products Tputty 502 60 FG2 18x18" 3W/mK XSoft A10235-36 Laird Technologies 1: £503.85 2Expected 21/12/2026	Mfr. Part No. A10235-36 Mouser Part No 739-A10235-36	Laird Technologies	Thermal Interface Products Tputty 502 60 FG2 18x18" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	2Expected 21/12/2026	£503.85 £492.57	Min.: 1 Mult.: 1	Thermally Conductive Adhesives		Boron Nitride	3 W/m-K	5 kVAC	White	- 45 C	+ 200 C	457 mm	457 mm	2.03 mm		UL 94 HB	Tputty 502	Bulk
Thermal Interface Products Tputty 502,FG2,100 9" x 9" A10239-09 Laird Technologies 1: £218.64 1Expected 25/01/2027	Mfr. Part No. A10239-09 Mouser Part No 739-A10239-09	Laird Technologies	Thermal Interface Products Tputty 502,FG2,100 9" x 9" Learn More about Laird Technologies laird tputty gap filler	Datasheet	1Expected 25/01/2027	£218.64 £200.08	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Boron Nitride	3 W/m-K	5 kVAC	White	- 45 C	+ 200 C	229 mm	229 mm	2.54 mm	10 psi	UL 94 V-0	Tputty 502	Bulk
Thermal Interface Products Tputty 502 500cc bulk A10548-6 Laird Technologies 1: £450.98 1Expected 30/11/2026	Mfr. Part No. A10548-6 Mouser Part No 739-A10548-6	Laird Technologies	Thermal Interface Products Tputty 502 500cc bulk Learn More about Laird Technologies laird tputty gap filler	Datasheet	1Expected 30/11/2026	£450.98 £412.66	Min.: 1 Mult.: 1	Thermally Conductive Adhesives		Boron Nitride			White	- 45 C	+ 200 C						Tputty 502	Bulk
Thermal Interface Products TPUTTY 508 CARTRIDGE 360CC A17170-03 Laird Technologies 9: £182.54 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. A17170-03 Mouser Part No 739-A17170-03	Laird Technologies	Thermal Interface Products TPUTTY 508 CARTRIDGE 360CC Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 10 Weeks	£182.54	Min.: 9 Mult.: 9	Gap Fillers / Gap Pads / Sheets					Green		+ 150 C					UL 94 V-0	Tputty 508	Bulk
Thermal Interface Products Tputty 502 40 FG2 18x18" 3W/mK XSoft A10233-31 Laird Technologies 4: £376.52 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. A10233-31 Mouser Part No 739-A10233-31	Laird Technologies	Thermal Interface Products Tputty 502 40 FG2 18x18" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 12 Weeks	£376.52 £362.66	Min.: 4 Mult.: 1	Thermally Conductive Adhesives		Boron Nitride	3 W/m-K	4 kVAC	White	- 45 C	+ 200 C			1.02 mm			Tputty 502	Bulk
Thermal Interface Products Tputty 502 50 FG2 9x9" 3W/mK XSoft A10234-31 Laird Technologies 1: £120.14 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. A10234-31 Mouser Part No 739-A10234-31	Laird Technologies	Thermal Interface Products Tputty 502 50 FG2 9x9" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 12 Weeks	£120.14 £105.89 £105.83 View Quote	Min.: 1 Mult.: 1	Thermally Conductive Adhesives	Thermal Pad	Boron Nitride	3 W/m-K	5 kVAC	White	- 45 C	+ 200 C	229 mm	229 mm	1.27 mm	10 psi	UL 94 V-0	Tputty 502	Bulk
Thermal Interface Products Tputty 502 50 FG2 18x18" 3W/mK XSoft A10234-38 Laird Technologies 4: £429.73 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. A10234-38 Mouser Part No 739-A10234-38	Laird Technologies	Thermal Interface Products Tputty 502 50 FG2 18x18" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 12 Weeks	£429.73 £423.27	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets			3 W/m-K										Tputty 502	Bulk
Thermal Interface Products Tputty 502 70 FG2 9x9" 3W/mK XSoft A10236-04 Laird Technologies 1: £156.58 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. A10236-04 Mouser Part No 739-A10236-04	Laird Technologies	Thermal Interface Products Tputty 502 70 FG2 9x9" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 12 Weeks	£156.58 £140.67 Quote Quote	Min.: 1 Mult.: 1	Thermally Conductive Adhesives		Boron Nitride	3 W/m-K		White	- 45 C	+ 200 C			0.5 mm to 5 mm			Tputty 502	Bulk
Thermal Interface Products Tputty 502 70 FG2 18x18" 3W/mK XSoft A10236-05 Laird Technologies 4: £590.52 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. A10236-05 Mouser Part No 739-A10236-05	Laird Technologies	Thermal Interface Products Tputty 502 70 FG2 18x18" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 12 Weeks	£590.52 £568.07	Min.: 4 Mult.: 1	Thermally Conductive Adhesives		Boron Nitride	3 W/m-K	5 kVAC	White	- 45 C	+ 200 C	457 mm	457 mm	1.778 mm		UL 94 HB	Tputty 502	Bulk
Thermal Interface Products Tputty 502 80 FG2 18x18" 3W/mK XSoft A10237-22 Laird Technologies 1: £670.23 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. A10237-22 Mouser Part No 739-A10237-22	Laird Technologies	Thermal Interface Products Tputty 502 80 FG2 18x18" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 12 Weeks	£670.23 £644.54	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets			3 W/m-K										Tputty 502	Bulk
Thermal Interface Products Tputty 502 90 FG2 18x18" 3W/mK XSoft A10238-08 Laird Technologies 4: £756.86 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. A10238-08 Mouser Part No 739-A10238-08	Laird Technologies	Thermal Interface Products Tputty 502 90 FG2 18x18" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 10 Weeks	£756.86 £729.02	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets			3 W/m-K										Tputty 502	Bulk
Thermal Interface Products Tputty 502 90 FG2 9x9" 3W/mK XSoft A10238-09 Laird Technologies 1: £195.26 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. A10238-09 Mouser Part No 739-A10238-09	Laird Technologies	Thermal Interface Products Tputty 502 90 FG2 9x9" 3W/mK XSoft Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 12 Weeks	£195.26 £177.13 Quote Quote	Min.: 1 Mult.: 1	Thermally Conductive Adhesives	Thermal Pad	Boron Nitride	3 W/m-K	5 kVAC	White	- 45 C	+ 200 C	229 mm	229 mm	2.28 mm	10 psi	UL 94 V-0	Tputty 502	Bulk
Thermal Interface Products Tputty 502,FG2,110 9" x 9" A10240-05 Laird Technologies 4: £230.89 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. A10240-05 Mouser Part No 739-A10240-05	Laird Technologies	Thermal Interface Products Tputty 502,FG2,110 9" x 9" Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 12 Weeks	£230.89 £220.39 £214.20	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Boron Nitride	3 W/m-K		White	- 45 C	+ 200 C	229 mm	229 mm	2.79 mm	10 psi	UL 94 V-0	Tputty 502	Bulk
Thermal Interface Products Tputty 502 FG2 120 9" x 9" A10241-09 Laird Technologies 4: £249.74 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. A10241-09 Mouser Part No 739-A10241-09	Laird Technologies	Thermal Interface Products Tputty 502 FG2 120 9" x 9" Learn More about Laird Technologies laird tputty gap filler	Datasheet	Non-Stocked Lead-Time 12 Weeks	£249.74 £236.34 £232.86	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Boron Nitride	3 W/m-K	5 kVAC	White	- 45 C	+ 200 C	229 mm	229 mm	0.12 in		UL 94 V-0	Tputty 502	Bulk

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