CoolZorb Hybrid Thermal EMI Absorbers

Laird CoolZorb is a traditional thermal interface material between a heat source, such as an IC, and a heat sink, another heat transfer device, or a metal chassis. Laird CoolZorb suppresses unwanted energy coupling, resonances, or surface currents, causing board-level EMI issues. The hybrid absorber/thermal management material of the CoolZorb series is designed using a silicone gel binder that imparts inherent tack, typical of standard thermal gap fillers. The filler particle composition imparts thermal conductivity and EMI suppression in the microwave frequency range with high attenuation performance at or above 3GHz. CoolZorb passes UL 94V-0 requirements and is RoHS and REACH compliant.

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Qty. RoHS ECAD Model Product
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Minimum Operating Temperature
Maximum Operating Temperature
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Width
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Laird Thermal Interface Products COOLZORB-600
Datasheet
12In Stock
Min.: 1
Mult.: 1

Thermal and EMI Absorbers Absorbing Sheet Non-standard 3 W/m-K Gray - 40 C + 175 C 457.2 mm 457.2 mm 3.17 mm 50 psi UL 94 V-0 COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-400,0.125in
Datasheet
37In Stock
Min.: 1
Mult.: 1

Thermal and EMI Absorbers Absorbing Sheet Non-standard 2 W/m-K Gray - 40 C + 175 C 457.2 mm 457.2 mm 3.17 mm UL 94 V-0 COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-600 0.040in 18.0x18.0in
Datasheet
23In Stock
Min.: 1
Mult.: 1

Thermal and EMI Absorbers Absorbing Sheet Non-standard 3 W/m-K Gray - 40 C + 175 C 457.2 mm 457.2 mm 1 mm 50 psi UL 94 V-0 COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-400,0.040in
Datasheet
4In Stock
Min.: 1
Mult.: 1

Thermal and EMI Absorbers Absorbing Sheet Non-standard 2 W/m-K Gray - 40 C + 175 C 457.2 mm 457.2 mm 1.02 mm UL 94 V-0 COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-500
Datasheet
1In Stock
Min.: 1
Mult.: 1

Thermal and EMI Absorbers Non-standard 12 in 12 in 0.08 in COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-600
Datasheet
8Expected 2026/11/02
Min.: 1
Mult.: 1

Thermal and EMI Absorbers Absorbing Sheet Non-standard 3 W/m-K Gray - 40 C + 175 C 457.2 mm 457.2 mm 0.5 mm 50 psi UL 94 V-0 COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-500 0.040in 18.0x18.0in
Datasheet
3Expected 2026/09/30
Min.: 1
Mult.: 1

Thermal and EMI Absorbers Absorbing Sheet Non-standard 4 W/m-K Gray - 40 C + 175 C 457.2 mm 457.2 mm 1.02 mm 17.3 psi UL 94 V-0 COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-400,0.060in
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 5
Mult.: 1

Thermal and EMI Absorbers Non-standard 1.5 ft 1.5 ft 0.06 in COOLZORB Bulk
Laird Thermal Interface Products COOLZORB - 400 0.08 x 18 x 18in
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

Thermal and EMI Absorbers Non-standard 1.5 ft 1.5 ft 0.08 in COOLZORB Bulk
Laird Thermal Interface Products COOLZORB - 400 0.1 X 18 X 18IN
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 3
Mult.: 1

Thermal and EMI Absorbers Non-standard 1.5 ft 1.5 ft 0.1 in COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-600
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 4
Mult.: 1

Thermal and EMI Absorbers Non-standard 12 in 12 in 0.06 in COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-600
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 3
Mult.: 1

Thermal and EMI Absorbers Non-standard 12 in 12 in 0.08 in COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-600
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 3
Mult.: 1

Thermal and EMI Absorbers Non-standard 12 in 12 in 0.1 in COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-500
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 8
Mult.: 1

Thermal and EMI Absorbers Absorbing Sheet Non-standard 4 W/m-K Gray - 40 C + 175 C 457.2 mm 457.2 mm 0.5 mm 17.3 psi UL 94 V-0 COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-500
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 4
Mult.: 1

Thermal and EMI Absorbers Non-standard 12 in 12 in 0.06 in COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-500,0.100in 18x18in
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 3
Mult.: 1

Thermal and EMI Absorbers Non-standard 4 W/m-K Gray - 40 C + 175 C 1.5 ft 1.5 ft 0.1 in 45 psi UL 94 V-0 COOLZORB Bulk
Laird Thermal Interface Products COOLZORB-500 0.125in 18.0x18.0in
Datasheet
Non-Stocked
Min.: 2
Mult.: 2
Thermal and EMI Absorbers Non-standard 4 W/m-K Gray - 40 C + 175 C 1.5 ft 1.5 ft 0.125 in 45 psi UL 94 V-0 COOLZORB