AA77A10

Series:	Komatsulite™, AA
Part Status:	Not For New Designs
Circuit:	SPST-NC
Switching Temperature:	170°F (77°C)
Reset Temperature:	104°F (40°C)
Current Rating - AC:	--
Current Rating - DC:	35A (9V)
Tolerance:	±9°F (±5°C)
Switching Cycles:	1K
Termination Style:	Solder Pad
Mounting Type:	Weld Tab
Package / Case:	2-SMD

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Temperature Sensors - Thermostats - Mechanical

The AA77A10 mechanical thermostat is a temperature sensor designed for use in both residential and industrial applications. It is designed to sense and control internal temperatures with very high accuracy and reliability.The AA77A10 is a bi-metal disc type thermostat. It utilizes a combination of two metals, usually comprising of two metal sheets of different types. Specifically, the two metals used are Beryllium Copper and Nickel/Chromium. This combination provides an excellent response time with minimal hysteresis for accurate temperature control.The response time of the AA77A10 is enhanced by its unique design. This unique design includes a single piece construction, which eliminates the need for multiple parts, thereby reducing the mechanical complexity and cost of the device. In addition, the device utilizes a snap action design which is highly reliable. The snap action design ensures a consistent response temperature for durable service.When the device is put to use, it is mounted onto a surface which contacts the air or liquid to be measured. It utilizes a temperature sensitive bi-metal disc that detects and changes its electrical resistance as the temperature changes. The device then uses this resistance change to send an electrical signal to the control system. If the temperature detected is higher than the set temperature, the control system is signaled to start the cooling cycle and vice versa.The AA77A10 mechanical thermostat can be used in a wide variety of applications such as water heaters, central air conditioning systems, freezers, refrigerators, forced air systems, chillers, and other similar applications. This temperature sensor is also ideal for controlling the temperatures of aquariums and groundwater systems. It is available in both standard and customized configurations, making it easy to find the right fit for any particular application.In summary, the AA77A10 is a reliable, accurate and economical mechanical thermostat temperature sensor. It is easy to install and is suitable for both residential and industrial applications. Its snap action design and low parts-count ensure durability and low cost, making it an ideal choice for various temperature sensing requirements.

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