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Aluminum Heat Sink for Raspberry Pi 3 or 4 - 15 x 15 x 15mm : ID 3082 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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TO-220 Clip-On Heatsink : ID 977 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: VRM Heatsink Voltage Regulator Thermal N1C1D ON1C1D for Dell Alienware Aurora R11 R12 Desktop Computer Thermal Bracket Heat Sink : Electronics
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Amazon.com: 4PCS Heat Sink Kit 40mmx40mmx20mm Aluminium Heatsink Cooler for Cooling VRM GPU Stepper Driver 3D Printers Stepper Motor NEMA 17, TEC1-12706 Thermoelectric Peltier Led : Electronics
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Aluminum SMT Heat Sinks 10 Pack - 0.25x0.25 x 0.15 tall : ID 1515 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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