This kind of product is MF5A series of our company. We aim at provide products of good quality and good service to every customer and supplier.
This series can be customized according to customer's requirements. This kind is customized as blue color and made of epoxy resin.
The item is one NTC thermistor of epoxy coated.
Features:
Epoxy coated,
Miniature designed and high accuracry,
Fast response,
Good stability,
Applications:
Temperature sensor,
Electronic calendar and electronic thermometer,
Temperature compensation.
Temperature measurement
Parameters:
R25°C: 1K-2000K ohms
R25°C precision value: ±1%, ±2%, ±3%, ±5%, ±10%.
B25/50°C: 3270, 3380, 3470, 3550, 3700, 3950,4100,4600, etc.
| Specification |
R25ºC
(KΩ) |
B25/50ºC
(K) |
Disspation constant
(mW/ºC) |
Time constant
(S) |
Operation temperature range
(ºC) |
| MF5A-2 -347-202 |
2 |
3470 |
ln stil air
≥ 2.1 |
ln stil air
≤ 16 |
-30~120 |
| MF5A-2 -327/347-502 |
5 |
3270/3470 |
| MF5A-2-347/390/395-103 |
10 |
3470/3900/3950 |
| MF5A-2-395-473 |
47 |
3950 |
| MF5A-2-395/400-503 |
50 |
3950/4000 |
| MF5A-2-405-104 |
100 |
4050 |
Remark:
R25ºC interchangeability precision
B value precision:±1%
B value among 3000-4500K,and R 25ºC among 0.5KΩ-200KΩ can be custom designed.
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FAQ
Q: What is Thermal Time Constant?
A: Thermal Time Constant simply put, under zero conditions, is the time it takes a thermistor temperature sensor to change 63.2% of
the total difference between the initial and the final body temperature; when subjected to a step function change in temperature. In simple terms, it represents in time, how long it takes a thermistor to recover up to 50% of its initial resistance.
Q: When to use NTC Thermistor Probes and why its necessary?
A: NTC Thermistor probes have been used as far back as 1940 to measure and analyze temperature, but today they are indispensable to everything from home appliances to electric vehicles that require li-ion batteries. They have long been employed to measure liquid levels and temperature in industries that extend from automotive electronics to medical technology to green energy. Their applications are endless, and their purpose is significant.
NTC thermistor temperature sensors come in all types of housings including closed end metal tubing, threaded metal tubing, and housings with a threaded tip and hex screw.
Q: How to select and integrate thermistor probes into different applications like the limitless applications requiring thermistor probes, so too exist the endless methods to mount them, adhere them, and apply them. Some thermistors can get very sophisticated in the ways that they are housed and the methods in which they are mounted.
A: It depends on.
Q: Are NTCs available in a small size?
A: Typical size for an epoxy coated discrete in an OD of 0.95" Max. Miniature glass sensors have a max. OD of 0.15".
Q: How stable are NTC sensors?
A: Different sensor families have different stability ratings, Epoxy coated NTCs are less stable than a hermetically sealed glass NTC sensors.
Q: How to select a resistance value for an application?
A: The rule of thumb to use a low resistance sensor for a low temperature application and a high resistance sensor in a high temperature application. The goal is to have a working resistance value in your temperature range of interest.
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