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 (CLP) 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, 1mm Thickness, 10 W/mK, 76.2x127mm, Grey
Datasheet
50In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 10 W/m-K 5 kVAC Gray - 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, 0.5mm Thickness, 5 W/m-K, 25.4x25.4mm, Gold
Datasheet
514In 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, 1mm Thickness, 5 W/m-K, 25.4x25.4mm, Gold
Datasheet
235In 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 1 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 5 W/m-K, 76.2x127mm, Brown
Datasheet
95In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 5 W/m-K 5 kVAC Brown - 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, 2mm Thickness, 1 W/m-K, 101.6x101.6mm, Grey
Datasheet
15In 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 2 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 1.5 W/mK, 76.2x127mm, Grey
Datasheet
50In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 1.5 W/m-K 5 kVAC Gray - 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, 0.5mm Thickness, 5 W/m-K, 101.6x101.6mm, Gold
Datasheet
106In 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, 1mm Thickness, 2 W/mK, 210x310mm, Grey
Datasheet
49Expected 9/21/2026
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, 6 W/mK, 76x127mm, Grey
Datasheet
90Expected 10/2/2026
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
50Expected 10/20/2026
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, 0.5mm Thickness, 3 W/m-K, 25.4x25.4mm, Green
Datasheet
139Expected 9/14/2026
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, 1 W/m-K, 101.6x101.6mm, Grey
Datasheet
249Expected 12/21/2026
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 0.5 mm UL 94 V-0 PL
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 5 W/m-K, 25.4x25.4mm, Hyper Soft
Datasheet
Non-Stocked Lead-Time 8 Weeks
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 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, Gold
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 250
Mult.: 250

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-Free, 1mm Thickness, 1 W/m-K, 210x310mm, White
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 50
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone-Free 1 W/m-K 8 kV White - 40 C + 130 C 310 mm 210 mm 1 mm 75 psi UL 94 V-0 PLF
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone-Free, 1mm Thickness, 3 W/m-K, 210x310mm, White
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 50
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone-Free 3 W/m-K 8 kV White - 40 C + 130 C 310 mm 210 mm 1 mm 55 psi UL 94 V-0 PLF
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone-Free, 1mm Thickness, 8 W/mK, 210x310mm, Grey
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 50
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone-Free 8 W/m-K 8 kV Gray - 40 C + 120 C 310 mm 210 mm 1 mm 30 psi UL 94 V-0 PLF
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 1.5 W/mK, 76x127mm, White
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 300
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 1.5 W/m-K 8 kV White - 50 C + 200 C 127 mm 76 mm 1 mm 40 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 10 W/mK, 210x310mm, Grey
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 50
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 10 W/m-K 6 kV Gray - 50 C + 150 C 310 mm 210 mm 1 mm 10 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 10 W/mK, 76x127mm, Grey
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 50
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 10 W/m-K 6 kV Gray - 50 C + 150 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, 12 W/mK, 210x310mm, Grey
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 50
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 12 W/m-K 5 kV Gray - 50 C + 120 C 310 mm 210 mm 1 mm 10 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 2 W/mK, 76x127mm, Grey
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 250
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 2 W/m-K 8 kV Gray - 50 C + 200 C 127 mm 76 mm 1 mm 40 psi UL 94 V-0 PLX
Wakefield Thermal Thermal Interface Products ulTIMiFlux Gap Pad, Silicone, 1mm Thickness, 3 W/m-K, 76x127mm, Blue
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 150
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 3 W/m-K 8 kV Blue - 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, 5 W/m-K, 76x127mm, Grey
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 100
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 5 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, 6 W/mK, 210x310mm, Grey
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 50
Mult.: 50

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 6 W/m-K 8 kV Gray - 50 C + 200 C 310 mm 210 mm 1 mm 30 psi UL 94 V-0 PLX