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OHD1

KEMET
Part Number OHD1
Manufacturer KEMET
Description Thermal Guard Sensors
Published May 23, 2018
Detailed Description Thermal Sensors OHD Thermal Guard Overview The OHD Thermal Guard is developed for thermal problem countermeasures and s...
Datasheet PDF File OHD1 PDF File

OHD1
OHD1

Overview
Thermal Sensors OHD Thermal Guard Overview The OHD Thermal Guard is developed for thermal problem countermeasures and safety standard conformity, which are becoming increasingly important for electronic devices in recent years.
Its unique proprietary design features a magnet and a temperature-sensing soft ferromagnetic substance called Thermorite®.
The material’s magnetic flux density decreases as the temperature increases turning it into a paramagnetic substance at the Curie temperature.
Applications Typical applications include atmospheric temperature detection and overheating monitoring of power transistors, power modules, room heaters, hot gas heaters, PPCs, amplifiers, motors, HDDs, FDDs and other general appliances.
Benefits • High reliability for on/off operations • High-speed response • Long operational life • Excellent environmental durability • Compatibility with extremely low (0.
1 mW or lower) signals to high power (6 W) levels • Extremely simple circuit design • Compact, light and easy to handle • Dust, explosion and corrosion-proof • Wide range of operating temperatures available in 5°C increments from +30°C to +130°C • UL, CSA and TÜV approved • RoHS/REACH compliant OHD1 OHD3 OHD5R © KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.
kemet.
com One world.
One KEMET SE0202_OHD • 10/29/2018 1 Thermal Sensors – OHD Thermal Guard Ordering Information OHD Series OHD 1- Maximum Opening/Closing Power (W) 1 = 6W 3 = 6W 5R = 1W 30 = 30°C 35 = 35°C 40 = 40°C 45 = 45°C 50 = 50°C 55 = 55°C 60 = 60°C 50 Operating Temperature (°C) 65 = 65°C 70 = 70°C 75 = 75°C 80 = 80°C 85 = 85°C 90 = 90°C 95 = 95°C 100 = 100°C 105 = 105°C 110 = 110°C 115 = 115°C 120 = 120°C 125 = 125°C 130 = 130°C B Contact Type B = Break M = Make (OHD1 and OHD3 only) Structures and Principles of Operation Thermal Reed Switches (TRSTM) are temperature-sensing switches composed of a magnet and a temperatur...


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