ulTIMiFlux Thermal Gap Filling Pads

Wakefield Thermal ulTIMiFlux Thermal Gap Filling Pads are designed to fill large voids between a device and the heat sink.  A variety of sizes, thicknesses, conductivities, and durometers are available to configure a custom thermal solution. These pads from Wakefield Thermal are halogen free and RoHS compliant.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Material
Thermal Conductivity
Breakdown Voltage
Color
Minimum Operating Temperature
Maximum Operating Temperature
Length
Width
Thickness
Tensile Strength
Flammability Rating
Series
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 0.5mm Thick, 5 W/m-K, 101.6x101.6mm, Hyper Soft
Datasheet
418In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 5 W/m-K 5 kVAC Gold - 60 C + 200 C 101.6 mm 101.6 mm 0.5 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone-Free, 1mm Thickness, 8 W/mK, 76.2x127mm, Grey
Datasheet
21In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone-Free 8 W/m-K 8 kV Gray - 50 C + 200 C 127 mm 76.2 mm 1 mm UL 94 V-0 PLF
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 2mm Thickness, 3 W/m-K, 101.6x101.6mm, Hyper Soft
Datasheet
351In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 3 W/m-K 5 kVAC Green - 60 C + 200 C 101.6 mm 101.6 mm 2 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 0.5mm Thickness, 3 W/m-K, 25.4x25.4mm, Hyper Soft
Datasheet
241In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 3 W/m-K 5 kVAC Green - 60 C + 200 C 25.4 mm 25.4 mm 0.5 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 0.5mm Thickness, 5 W/m-K, 25.4x25.4mm, Hyper Soft
Datasheet
68In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 5 W/m-K 5 kVAC Gold - 60 C + 200 C 25.4 mm 25.4 mm 0.5 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 0.5mm Thickness, 3 W/m-K, 25.4x25.4mm, Green
Datasheet
149In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 3 W/m-K 5 kVAC Green - 60 C + 200 C 25.4 mm 25.4 mm 0.5 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 2mm Thickness, 3 W/m-K, 25.4x25.4mm, Hyper Soft
Datasheet
88In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 3 W/m-K 5 kVAC Green - 60 C + 200 C 25.4 mm 25.4 mm 2 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 2mm Thickness, 5 W/m-K, 25.4x25.4mm, Gold
Datasheet
154In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 5 W/m-K 5 kVAC Gold - 60 C + 200 C 25.4 mm 25.4 mm 2 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 2mm Thickness, 5 W/m-K, 25.4x25.4mm, Hyper Soft
Datasheet
207In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 5 W/m-K 5 kVAC Gold - 60 C + 200 C 25.4 mm 25.4 mm 2 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 2mm Thickness, 1 W/m-K, 25.4x25.4mm, Grey
Datasheet
355In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 1 W/m-K 5 kVAC Gray - 60 C + 200 C 25.4 mm 25.4 mm 2 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 0.5mm Thick, 3 W/m-K, 101.6x101.6mm, Hyper Soft
Datasheet
181In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 3 W/m-K 5 kVAC Green - 60 C + 200 C 101.6 mm 101.6 mm 0.5 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 12 W/mK, 76x127mm, Grey
Datasheet
38In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 12 W/m-K 5 kV Gray - 50 C + 120 C 127 mm 76 mm 1 mm 10 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 3 W/m-K, 210x310mm, Blue
Datasheet
49In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 3 W/m-K 8 kV Blue - 50 C + 200 C 310 mm 210 mm 1 mm 30 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone-Free, 1mm Thickness, 1 W/m-K, 76x127mm, White
Datasheet
24In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone-Free 1 W/m-K 8 kV White - 40 C + 130 C 127 mm 76 mm 1 mm 75 psi UL 94 V-0 PLF
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 1.5 W/mK, 210x310mm, White
Datasheet
21In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 1.5 W/m-K 8 kV White - 50 C + 200 C 310 mm 210 mm 1 mm 40 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 2 W/mK, 210x310mm, Grey
Datasheet
23In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 2 W/m-K 8 kV Gray - 50 C + 200 C 310 mm 210 mm 1 mm 40 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 5 W/m-K, 210x310mm, Grey
Datasheet
14In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 5 W/m-K 8 kV Gray - 50 C + 200 C 310 mm 210 mm 1 mm 30 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 6 W/mK, 76x127mm, Grey
Datasheet
38In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 6 W/m-K 8 kV Gray - 50 C + 200 C 127 mm 76 mm 1 mm 30 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 8 W/mK, 76x127mm, Grey
Datasheet
13In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 8 W/m-K 6 kV Gray - 50 C + 200 C 127 mm 76 mm 1 mm 20 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 5 W/m-K, 101.6x101.6mm, Hyper Soft
Datasheet
795In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 5 W/m-K 5 kVAC Gold - 60 C + 200 C 101.6 mm 101.6 mm 1 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 2mm Thickness, 5 W/m-K, 101.6x101.6mm, Hyper Soft
Datasheet
290In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 5 W/m-K 5 kVAC Gold - 60 C + 200 C 101.6 mm 101.6 mm 2 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 1 W/m-K, 101.6x101.6mm, Grey
Datasheet
542In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 1 W/m-K 5 kVAC Gray - 60 C + 200 C 101.6 mm 101.6 mm 1 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 0.5mm Thickness, 5 W/m-K, 25.4x25.4mm, Gold
Datasheet
15In Stock
750Expected 6/17/2026
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 5 W/m-K 5 kVAC Gold - 60 C + 200 C 25.4 mm 25.4 mm 0.5 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 3 W/m-K, 76.2x127mm, Blue
Datasheet
45In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 3 W/m-K 5 kVAC Blue - 50 C + 200 C 127 mm 76.2 mm 1 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 5 W/m-K, 101.6x101.6mm, Gold
Datasheet
5In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone Elastomer 5 W/m-K 5 kVAC Gold - 60 C + 200 C 101.6 mm 101.6 mm 1 mm UL 94 V-0 PL