ND06P00682J--

Series:	ND06
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	6.8k
Resistance Tolerance:	±5%
B Value Tolerance:	±2%
B0/50:	--
B25/50:	--
B25/75:	--
B25/85:	4220K
B25/100:	--
Operating Temperature:	-55°C ~ 150°C
Power - Max:	710mW
Length - Lead Wire:	1.38" (35.00mm)
Mounting Type:	Through Hole
Package / Case:	Disc, 6.3mm Dia x 4.0mm W

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Introduction

ND06P00682J is a type of temperature sensing element on the market, belongs to the category of NTC thermistors. It has a variety of application fields and it works in different principle according to different application. In this article, the application fields and working principle of ND06P00682J will be discussed.

Temperature Sensors - NTC Thermistors

NTC thermistors, acronym for Negative Temperature Coefficient thermistors, are temperature sensing elements that possess a wide range of applications. Moreover, with its simple structure and low cost, it is widely used in industries, which has made it the most popular temperature sensors. Typically, NTC thermistors are composed of a sintered ceramic disk of metallized oxide semiconductor material, normally featuring a negative temperature coefficient of resistance, as shown in Figure 1. Its resistance values could be in the range from a few ohms to hundreds of Mega ohms, depending on the materials used in the composition.

Figure 1. Structure of NTC thermistors

Application fields of ND06P00682J

Generally, ND06P00682J can be applied in three main fields:* In-process temperature measurement: ND06P00682J can be used in the control system of the in-process for temperature measuring purpose. Since the stable resistance of the thermistor allows it to measure the temperature more precisely, ND06P00682J can provide an accurate, stable and reliable control performance * Automated home appliances: For automated home appliances, ND06P00682J can be applied in the system to measure the product temperature and adjust the output performance accordingly to ensure a stable output. * HVAC system: In the HVAC system, ND06P00682J can be used as a sensor or a controller. Firstly, it can be used as a sensing element, combined with other elements to measure the temperature and humidity level in the system. Secondly, it can also be used as a controller to adjust the temperature in the room by controlling the output of the air conditioning system.

Working principle of ND06P00682J

The working principle of a ND06P00682J temperature sensor is mainly relying on the negative temperature coefficient of resistance of its material. The resistance of an NTC thermistor decreases with the increase of temperature and vice versa, with the decrease of temperature, resistance value increase.In the system, ND06P00682J is connected with a power source, as shown in Figure 2. When the temperature applied on the thermistor increases, the resistance of the ND06P00682J will reduces, as the decrease of resistance could reduce the power current that flows through it, lower power consumption is obtained. By adjusting the current structure to gain balance, when the temperature changes, the power current will be adjusted to maintain a balanced structure, which allows the system measuring the temperature accurately.

Figure 2. Schematic diagram of ND06P00682J

Conclusion

To sum up, ND06P00682J is a type of NTC thermistor and mainly used in in-process temperature measurement, automated home appliances, HVAC system. In the system, it works by relying on the negative temperature coefficient of resistance of its material, allowing it to measure the temperature accurately.

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