Thermal Interface Products

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Tflex™ SF10 Thermal Gap Filler

Laird Tflex™ SF10 Thermal Gap Filler offers 10W/mK thermal conductivity, 0.5mm to 4mm thickness range, and 3.7g/cc density. This filler features silicone-free material with excellent deflection properties, providing minimal pressure on components during deflection. Laird Tflex SF10 Thermal Gap Filler is an environmentally friendly solution that meets regulatory requirements, including RoHS and REACH.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) 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 TFLEX SF10 229X229MM A18213-10 Laird 1: $312.845 92In Stock	Mfr. Part # A18213-10 Mouser Part # 739-A18213-10	Laird	Thermal Interface Products TFLEX SF10 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	92In Stock	$312.845 $286.129 $263.993	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	2.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,0.75 A18213-03 Laird 1: $127.542 314In Stock	Mfr. Part # A18213-03 Mouser Part # 739-A18213-03	Laird	Thermal Interface Products TFLEX SF10,0.75 Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	314In Stock	$127.542 $112.686 View Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	0.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,3.25 229x229mm, A18213-13 Laird 1: $483.463 1In Stock	Mfr. Part # A18213-13 Mouser Part # 739-A18213-13	Laird	Thermal Interface Products Tflex SF10,3.25 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	1In Stock	$483.463 $482.050 $472.082	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	3.25 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,0.50 229X229MM A18213-02 Laird 1: $61.863 1.058In Stock 530Expected 11/30/2026	Mfr. Part # A18213-02 Mouser Part # 739-A18213-02	Laird	Thermal Interface Products TFLEX SF10,0.50 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	1.058In Stock 530Expected 11/30/2026	$61.863 $53.990 $52.532	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	0.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,1.00 229X229MM A18213-04 Laird 1: $128.214 1.476In Stock 3Expected 10/19/2026	Mfr. Part # A18213-04 Mouser Part # 739-A18213-04	Laird	Thermal Interface Products TFLEX SF10,1.00 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	1.476In Stock 3Expected 10/19/2026	$128.214 $113.723	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	1 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,1.50 229X229MM A18213-06 Laird 1: $203.908 766In Stock	Mfr. Part # A18213-06 Mouser Part # 739-A18213-06	Laird	Thermal Interface Products TFLEX SF10,1.50 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	766In Stock	$203.908	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	1.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10 229X229MM A18213-08 Laird 1: $216.348 375In Stock	Mfr. Part # A18213-08 Mouser Part # 739-A18213-08	Laird	Thermal Interface Products TFLEX SF10 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	375In Stock	$216.348 $203.110 $201.094 $199.088	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	2 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,3.00 229X229MM A18213-12 Laird 1: $320.410 168In Stock	Mfr. Part # A18213-12 Mouser Part # 739-A18213-12	Laird	Thermal Interface Products TFLEX SF10,3.00 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	168In Stock	$320.410 $283.452 $269.929 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	3 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10 229X229MM A18213-05 Laird 1: $227.696 33In Stock	Mfr. Part # A18213-05 Mouser Part # 739-A18213-05	Laird	Thermal Interface Products TFLEX SF10 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	33In Stock	$227.696 $221.384 $194.201 $181.920 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	1.25 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,1.75 229x229mm, A18213-07 Laird 1: $298.878 16On Order	Mfr. Part # A18213-07 Mouser Part # 739-A18213-07	Laird	Thermal Interface Products Tflex SF10,1.75 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	16On Order On Order Ship Dates Mfr. #: A18213-07 Stock: 0 On Order: 3 Expected 12/14/2026 13 Expected 12/21/2026 Factory Lead-Time: 10 Weeks	$298.878 $285.263 $274.736 $272.902 View Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	1.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,3.50 A18213-14 Laird 1: $555.511 17On Order	Mfr. Part # A18213-14 Mouser Part # 739-A18213-14	Laird	Thermal Interface Products TFLEX SF10,3.50 Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	17On Order On Order Ship Dates Mfr. #: A18213-14 Stock: 0 On Order: 10 Expected 12/21/2026 7 Expected 12/28/2026 Factory Lead-Time: 10 Weeks	$555.511 $509.006 $494.833	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	3.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,2.25 229x229mm, A18213-09 Laird 1: $368.328 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # A18213-09 Mouser Part # 739-A18213-09	Laird	Thermal Interface Products Tflex SF10,2.25 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 10 Weeks	$368.328 $352.264 $338.821	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	2.25 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,2.75 229x229mm, A18213-11 Laird 4: $438.348 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # A18213-11 Mouser Part # 739-A18213-11	Laird	Thermal Interface Products Tflex SF10,2.75 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 10 Weeks	$438.348 $419.242 $403.235	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	2.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,3.75 229x229mm, A18213-15 Laird 4: $574.377 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # A18213-15 Mouser Part # 739-A18213-15	Laird	Thermal Interface Products Tflex SF10,3.75 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 10 Weeks	$574.377 $553.244	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	3.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products TFLEX SF10,4.00 229X229MM A18213-16 Laird 1: $614.742 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # A18213-16 Mouser Part # 739-A18213-16	Laird	Thermal Interface Products TFLEX SF10,4.00 229X229MM Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 10 Weeks	$614.742	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	4 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.25 229x229mm, A18213-17 Laird 1: $641.013 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # A18213-17 Mouser Part # 739-A18213-17	Laird	Thermal Interface Products Tflex SF10,4.25 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 7 Weeks	$641.013 $598.234	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	4.25 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.50 229x229mm, A18213-18 Laird 4: $692.292 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # A18213-18 Mouser Part # 739-A18213-18	Laird	Thermal Interface Products Tflex SF10,4.50 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 7 Weeks	$692.292 $646.095	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	4.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.75 229x229mm, A18213-19 Laird 4: $739.914 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # A18213-19 Mouser Part # 739-A18213-19	Laird	Thermal Interface Products Tflex SF10,4.75 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 7 Weeks	$739.914 $715.420	Min.: 4 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	4.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,5.00 229x229mm, A18213-20 Laird 1: $795.909 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # A18213-20 Mouser Part # 739-A18213-20	Laird	Thermal Interface Products Tflex SF10,5.00 229x229mm, Learn More about Laird tflex sf10 thermal gap fillers	Datasheet	Non-Stocked Lead-Time 7 Weeks	$795.909 $745.736	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets	Thermal Pad	Non-standard	Ceramic Filled Silicone-Free Thermoplastic	10 W/m-K	Gray	- 40 C	+ 125 C	229 mm	229 mm	5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.25 457x457mm Laird A18212-17 A18212-17 Laird 1: $1.953.539 Non-Stocked	Mfr. Part # A18212-17 Mouser Part # 739-A18212-17	Laird	Thermal Interface Products Tflex SF10,4.25 457x457mm	Datasheet	Non-Stocked	$1.953.539 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Non-standard	Thermoplastic (TP)	10 W/m-K	Gray	- 40 C	+ 125 C	457 mm	457 mm	4.25 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.50 457x457mm Laird A18212-18 A18212-18 Laird 1: $2.059.059 Non-Stocked	Mfr. Part # A18212-18 Mouser Part # 739-A18212-18	Laird	Thermal Interface Products Tflex SF10,4.50 457x457mm	Datasheet	Non-Stocked	$2.059.059 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Non-standard	Thermoplastic (TP)	10 W/m-K	Gray	- 40 C	+ 125 C	457 mm	457 mm	4.5 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,4.75 457x457mm Laird A18212-19 A18212-19 Laird 1: $2.164.601 Non-Stocked	Mfr. Part # A18212-19 Mouser Part # 739-A18212-19	Laird	Thermal Interface Products Tflex SF10,4.75 457x457mm	Datasheet	Non-Stocked	$2.164.601 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Non-standard	Thermoplastic (TP)	10 W/m-K	Gray	- 40 C	+ 125 C	457 mm	457 mm	4.75 mm	UL 94 V-0	Tflex SF10	Bulk
Thermal Interface Products Tflex SF10,5.00 457x457mm Laird A18212-20 A18212-20 Laird 1: $2.270.041 Non-Stocked	Mfr. Part # A18212-20 Mouser Part # 739-A18212-20	Laird	Thermal Interface Products Tflex SF10,5.00 457x457mm	Datasheet	Non-Stocked	$2.270.041 Quote Quote	Min.: 1 Mult.: 1	Gap Fillers / Gap Pads / Sheets		Non-standard	Thermoplastic (TP)	10 W/m-K	Gray	- 40 C	+ 125 C	457 mm	457 mm	5 mm	UL 94 V-0	Tflex SF10	Bulk

Tflex™ SF10 Thermal Gap Filler

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