Allicdata Part #: | 317-1486-2-ND |
Manufacturer Part#: |
CMFB4000473JNT |
Price: | $ 0.08 |
Product Category: | Sensors, Transducers |
Manufacturer: | Cantherm |
Short Description: | THERMISTOR NTC 47KOHM 4000K 0805 |
More Detail: | NTC Thermistor 47k 0805 (2012 Metric) |
DataSheet: | CMFB4000473JNT Datasheet/PDF |
Quantity: | 1000 |
4000 +: | $ 0.07064 |
8000 +: | $ 0.06233 |
12000 +: | $ 0.06025 |
20000 +: | $ 0.05921 |
28000 +: | $ 0.05817 |
Series: | CMF |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Resistance in Ohms @ 25°C: | 47k |
Resistance Tolerance: | ±5% |
B Value Tolerance: | -- |
B0/50: | -- |
B25/50: | 4000K |
B25/75: | -- |
B25/85: | -- |
B25/100: | -- |
Operating Temperature: | -40°C ~ 125°C |
Power - Max: | 200mW |
Length - Lead Wire: | -- |
Mounting Type: | Surface Mount |
Package / Case: | 0805 (2012 Metric) |
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NTC thermistors are temperature sensing elements that consist of a chip of sintered semiconductor material. The key property of thermistors is that their electrical resistance varies with temperature and the CMFB4000473JNT is no exception. This thermistor is designed for a wide range of applications including air conditioning systems, rangehoods, water heaters, electric commutators and heaters.
The CMFB4000473JNT may be used as an ambient temperature sensor, remotely reading temperature values that may then be processed and acted upon by an AC or DC electrical circuit. Depending on desired sensitivity, the thermistor can be conveniently programmed to provide multiple temperature readings which can be utilized to trigger malfunctions, alarms or send signals back to the main control unit.
Aside from environmental temperature control, this thermistor is also used in refrigeration and freezer applications. In these scenarios, the thermistor is connected to a temperature-control circuit for both temperature sensing and activating/deactivating the cooling system. The electrical output from the thermistor can be used to trigger the compressor of the cooling system, turning on or off when needed. This helps maintain the optimum temperature by reducing the amount of energy consumed.
When it comes to sensing the temperature of desired objects, the CMFB4000473JNT can be used in conjunction with other circuitry to trigger a relay and detection system. To cite an example, this thermistor can be used to measure the temperature of a heated food container or beverage. By connecting the thermistor to a circuit, it will send signals back to a CPU which then trigger the cooling system to regulate the temperature in the container.
With regards to working principle, the CMFB4000473JNT is based on the negative temperature coefficient (NTC) of materials, which indicates that the resistance of the thermistor decreases when temperature increases. This thermistor is composed of a mix of metal oxides with an optimally designed porous sintered structure. As the temperature changes, its electrical resistance changes correspondingly according to the mathematical equation of the thermistor.
In conclusion, the CMFB4000473JNT is a versatile temperature-sensing element specifically designed for a range of applications. Its working principle is based on the NTC of metal oxide material, and its electrical output can be utilized to trigger an AC or DC circuit to maintain a desirable environmental temperature.
The specific data is subject to PDF, and the above content is for reference
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