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272-AB Heatsink Wakefield TO-220
US$0.55
Package Cooled: TO-220, TO-202. Attachment Method: Bolt On and PC Pin. Shape: Rectangular, Fins. Length: 1.450" (36.83mm). Width: 1.750" (44.45mm). Diameter: -. Height Off Base (Height of Fin): 0.375" (9.52mm). Power Dissipation @ Temperature Rise: 4W @ 42°C. Thermal Resistance @ Forced Air Flow: 3.6°C/W @ 400 LFM.
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AD0412UB-C72GP Fan 12VDC 10.6 CFM 40x40x20 mm Ball Bearing 3-12" Leads Locked Rotor
US$12.53
AD0412UB-C72GP Fan 12VDC 10.6 CFM 40x40x20 mm Ball Bearing 3-12" Leads Locked Rotor   Specification Value Voltage (VDC) 12...
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HS-PI 3 piece Heat Sink Cooler Kit for Raspberry Pi
US$1.92
This Heat Sink Cooler Kit For Cooling your Raspberry Pi includes 3 aluminum heat sinks with adhesive backing.Each set contains:1 x 14mm(L) x 14mm(W) x 5mm(H) Heatsink for Soc 1 x 9mm(L) x 9mm(W) x 4mm(H) Heatsink for Voltage Regulator 1 x 9mm(L) x 9mm(W) x 4mm(H) Heatsink for LAN9512
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5298B Heat Sink TO-218
US$2.14

This is a heat sink with large radial fins. Thermal Resistance: 3.7° C/W. Material: Black Anodized. Mounting Style: Bolt-On. Dimension: 41.91 x 25.4 x 38.1 mm. 

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8616-25ML Super Thermal Grease II
US$26.16
This is low thermal resistance grease with a synthetic oil base that is electrically insulating and non-corrosive.
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8616-1P Super Thermal Grease II 1 pint (454 mL)
US$144.79
This is low thermal resistance grease with a synthetic oil base that is electrically insulating and non-corrosive. It is used to improve the thermal interface contact conductivity between heat sinks, LEDs, motors, and heat-generating electronic components such as CPUs, GPU chipsets, power components, and so on.
Delivery within 2-3 weeks
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8616-3ML Super Thermal Grease II 8.2 g (0.3 oz) Syringe
8616-3ML Super Thermal Grease II 8.2 g (0.3 oz) Syringe
US$13.08
This is low thermal resistance grease with a synthetic oil base that is electrically insulating and non-corrosive. It is use to improve the thermal interface contact conductivity between heat sinks, LEDs, motors, and heat-generating electronic components such as CPUs, GPU chipsets, power components, and so on. 
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1515-ADA Aluminum SMT Heat Sinks- 10 Pack
1515-ADA Aluminum SMT Heat Sinks- 10 Pack
US$7.62
The heat sink is a 0.25" x 0.25" (6.5mm x 6.5mm) square with 9 little 'fins' sticking out the top. The total height is 0.15" (3.65mm) so it will fit in any case or enclosure. They even come with a bit of thermal tape already on the bottom! Ideal for medium flat BGAs, TSSOPs, QFNs, etc!
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FAN-320 24VDC Fan - 4.71" sq. X 1"
FAN-320 24VDC Fan - 4.71" sq. X 1" , 0.23A
US$14.99
The Fan-320 is a 24 volt DC cooling fan.  Order#         Dimensions             FAN-320  4.71"sq. x 1"
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Aluminum SMT Heat Sink - 0.26"x0.26" square - 0.39" tall
US$2.02
The heat sink is a 0.26" x 0.26" (6.75mm x 6.75mm) square with 3 tall 'fins' sticking out the top. The total height is 0.39" (10mm) but you can easily file it down if you need a shorter heat sink to fit in a case).
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1331-ADA Peltier Thermo-Electric Cooler Module - 5V 1A
1331-ADA Peltier Thermo-Electric Cooler Module - 5V 1A
US$26.17
This module is a 5V module, and is rated for 5W max (5V/1A) but when we plugged them in they seemed to draw more like 1.5A so we suggest our 5V/2A power adapter for use.
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1335-ADA Peltier Thermo-Electric Cooler Module+Heatsink Assembly - 12V 5A
1335-ADA Peltier Thermo-Electric Cooler Module+Heatsink Assembly - 12V 5A
US$61.17
The 12V Peltier module is mounted onto a 12V heatsink and fan assembly with thermal paste and an aluminum clamp. Simply connect to 12V 5A+ power supply and you will see frost appear on the aluminum plate within a minute.
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977 TO-220 Clip-On Heatsink
977 TO-220 Clip-On Heatsink
US$1.32
977 Adafruit TO-220 Clip-On Heatsink Get the most out of your regulators, transistors and other TO-220 packaged chips by clipping on a heat-sink. Your...
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SP101A-1123HBT AC Cooling Fan - 120 x 120 x 38mm (Ball Bearing)
SP101A-1123HBT AC Cooling Fan - 120 x 120 x 38mm (Ball Bearing)
US$31.85

Features: Bearing Type: Ball. Rated Voltage: 115VAC. Current: 180mA. Power: 18 Watts. Air Flow: 107 CFM. Noise: 50 dBA. Size: 120 x 120 x 38mm. Connection: Terminals. Agency Approvals: UL/CUL/CE. 

Delivery within 2-3 weeks
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FAN-805G 60mm (2.36") Square Metal Fan Guard
FAN-805G 60mm (2.36") Square Metal Fan Guard
US$1.39
This is a fan guard that fits all 60mm (2.36") fans.
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