PTCSL20T121DBE

Series:	--
Packaging:	Bulk
Part Status:	Last Time Buy
Resistance @ 25°C:	100 Ohms
Resistance Tolerance:	--
Operating Temperature:	25°C ~ 150°C
Mounting Type:	PCB, Through Hole
Package / Case:	Radial
Supplier Device Package:	--

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PTCSL20T121DBE is a temperature sensor that belongs to the PTC thermistor category. PTC thermistors are temperature sensors that monitor thermal changes in the environment in order to accurately regulate the temperature. The PTCSL20T121DBE is made of a ceramic material that is used to contain a positive temperature coefficient (PTC) material along with a given resistance that will change based on the temperature of the sensor.The PTCSL20T121DBE sensor is typically used in applications such as in motors, power supplies, industrial appliances, and consumer devices. This sensor is a good choice for electronic devices that may be subject to permanent changes in temperature. As a one-time exposure rating, it has a maximum surge current of 3A. When in operation, the operating temperature range of this device is from -20°C to 125°C. The housing of this component is small and compact, it measures at 7 mm x 11 mm x 4 mm. It also has a response time of 75 milliseconds.The working principle of the PTCSL20T121DBE sensor is based on the fact that the PTC material within the ceramic housing becomes more resistant to electrical current when the temperature increases. This is because temperature increases cause a corresponding increase in the positive temperature coefficient of the material. To put it simply, the material in the ceramic housing increases its electrical resistance with increases in temperature. The device works through a simple circuit with two main components; a resistor and the PTCSL20T121DBE. When the PTCSL20T121DBE senses changes in temperature, the internal material’s resistance changes accordingly. Since the current flow is based on the resistance of the material, the current will change due to the resistance change. The amount of current that is passed is regulated by the voltage of the resistor. The voltage supplied by the resistor is the main determining factor in how the PTCSL20T121DBE measures changes in temperature. The higher the voltage that is applied to the resistor, the more the current will flow through the PTCSL20T121DBE. The greater the current flow, the more the resistance of the material will increase - and the greater the amount of temperature change that it can detect.PTCSL20T121DBE is an efficient temperature sensor with the ability to accurately measure subtle changes in temperature. This temperature sensor is ideal for applications such as motors, power supplies, and industrial appliances that may be exposed to temperature fluctuations. This device is compact yet robust, it operates efficiently at temperatures ranging from -20°C to 125°C and has a response time of 75ms. Moreover, the working principles of this device enable it to accurately measure the smallest changes in temperature due to the voltage supplied by the resistor.

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