GS501D1K

Series:	GS
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	500
Resistance Tolerance:	±10%
B Value Tolerance:	--
B0/50:	--
B25/50:	3170K
B25/75:	--
B25/85:	3218K
B25/100:	--
Operating Temperature:	300°C
Length - Lead Wire:	1.00" (25.40mm)
Mounting Type:	Through Hole
Package / Case:	Bead, Glass

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Temperature Sensors – NTC Thermistors

NTC thermistors are temperature sensors made from semiconductors that are highly sensitive to changes in temperature. When the temperature surrounding a thermistor increases, its resistance also rises. NTC thermistors are an ideal choice of temperature sensor due to their accuracy, fast response, low cost, and reliability. One of the most commonly used NTC thermistors is the GS501D1K, which has a wide range of applications and usage.

GS501D1K Application Field

The GS501D1K NTC thermistor is particularly useful for measuring temperature in industrial and automotive applications. It is resistant to radiation and chemicals, making it suitable for a variety of environments. It can measure temperatures up to 250°C max and has a wide operating temperature range of -55°C to +150°C. As it is only ~3mm in diameter, it is suitable for tight fitting and spaces that require discreet sensors. Some of the common applications of this thermistor include temperature measurements in air conditioners, fan coils, engine heaters, and electronics. As it is highly durable, it is often used in tough industrial and automotive applications such as in-vehicle diagnostics and passenger compartment heating.

GS501D1K Working Principle

The working principle of a GS501D1K NTC thermistor is based on how it changes resistance with temperature change. As the temperature surrounding the thermistor increases, its resistance also increases. Inside the NTC thermistor are semiconductors which turn quickly with any change in temperature. The heat-sensitive elements are embedded in a glass capsule and then wired for connection to an electric circuit. When a voltage is applied to the circuit, the current flows through the thermistor and results in a temperature reading.As the resistance of the NTC thermistor increases as the temperature gets higher, it is suitable for applications such as auto-reset circuits, over-temperature protection devices, and self-refrigerating cooling systems. Additionally, because the NTC thermistor is so highly sensitive to changes in temperature, it can also be used for more general applications such as temperature measurements for air conditioning systems or crop growing.

Conclusion

The GS501D1K NTC thermistor is one of the most widely used and reliable temperature sensors due to its accuracy, speed, and cost. It is resistant to radiation and chemicals, making it suitable for a variety of environments. It is also small in size, making it suitable for tight fits and discreet spaces. Common applications of the thermistor are in automotive and industrial environments for measuring temperature such as in-vehicle diagnostics and fan coils. The working principle of the GS501D1K NTC thermistor depends on its resistance of changing with temperature. As the temperature increases, the resistance increases, making it suitable for applications such as auto-reset circuits, over-temperature protection devices, and self-refrigerating cooling systems.

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