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 (IDR) 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, 3 W/m-K, 76.2x127mm, Blue
Datasheet
72In 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
8In 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, 1mm Thickness, 5 W/m-K, 25.4x25.4mm, Gold
Datasheet
249In 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
26In 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, 1mm Thickness, 6 W/mK, 76.2x127mm, Grey
Datasheet
45In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 6 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, 1mm Thickness, 8 W/mK, 76.2x127mm, Grey
Datasheet
28In Stock
Min.: 1
Mult.: 1

Gap Fillers / Gap Pads / Sheets Thermal Pad Silicone 8 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, 2mm Thickness, 1 W/m-K, 101.6x101.6mm, Grey
Datasheet
19In 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, 2mm Thickness, 5 W/m-K, 25.4x25.4mm, Hyper Soft
Datasheet
247In 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, 1mm Thickness, 1.5 W/mK, 76.2x127mm, Grey
Datasheet
85In 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, 1 W/m-K, 101.6x101.6mm, Grey
Datasheet
181In 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 0.5 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
158In 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, 3 W/m-K, 210x310mm, Blue
Datasheet
49Expected 03/04/2026
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, 0.5mm Thickness, 3 W/m-K, 25.4x25.4mm, Green
Datasheet
149Expected 03/04/2026
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, 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