Compact Heatsinks Are Thermally Efficient

Said to offer superior thermal efficiency and management, the HS10 and HS20 series of heatsinks are smaller than most competitive natural convection heatsinks. Designed to be used with the company's industrial solid-state relays, the heatsinks offer options of mounting holes for standard hockey-puck relay packages and for DIN rail clips.
Rated at 1.2°C/W, the HS10 series of devices weigh 405g and measure 3.18" x 2.25". The HS20 series, rated at 0.84°C/W, weighs 730g and measures 4.1" x 3.18". Price is from $13.64 to $21.30 each/500.