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Product Details:
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| Features: | Excellent Moisture Resistance | Application: | Household Appliances |
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| Type: | Thermistor | Working Temperature Range(°C): | -10 To +105c |
| Resistance Value: | 5K,10K,20K,50K,100K | Dissipation Factor(mw/°C): | 1-2 (in Still Air) |
| Highlight: | Durable NTC Thermistor Temperature Sensor,100K NTC Thermistor Temperature Sensor,Household NTC Thermistor High Temperature |
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New Energy Power Supply Battery Pack Special Water Dropper Thermistor 10K 100K 3950 High Precision NTC Thermistor
NTC temperature sensor is a kind of thermistor and probe. Its principle is: the resistance value drops rapidly as the temperature rises. It usually consists of 2 or 3 metal oxides, mixed in a fluid-like clay, and calcined in a high-temperature furnace to form a dense sintered ceramic. Actual size is very flexible, they can be as small as 0.010 inches or very small diameter. There is almost no limit to the maximum size, but usually under half an inch applies.
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Type
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NTC(thermistor) Temperature Sensor
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Temperature range
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-50℃ ~ +300℃；Customized
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Accurancy
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1%；5%；10%
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RT(25℃)
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1K；2K；2.2k；2.7k；3K；5K；7K；8K；12K；15K；20K；25K；30K；40K；47K；50K；60K；70K；100K；200K；230K；250K；470K；500K；1000K；Customized
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B value
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3274；3435；3470；3928；3950；3977；4100；4200；4400；Customized
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Probe Material
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Stainless steel SS304； aluminum；copper；plastic；epoxy；glass
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Installation
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Flanged；Surface；Threaded；Plastic；Straight；Film；Customized
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Wire Material
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Heat shrinkable tube；PVC tube；glass fiber tube； tube
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Connector
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Molex；JST；DuPont；CWB；CJT；U type；Customized
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Waterproof
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IP67；IP68
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►Different NTC thermistor using in the NTC temperature sensors with the following different operating temperature:
Chip or MF52A,MF51E,MF55: temperature resist grade 125℃,actual temperature resist grade 150℃
MF58: temperature resist grade 200℃,actual temperature resist grade 250℃
MF51: temperature resist grade 200℃,actual temperature resist grade 250℃
Special MF51: temperature resist grade 250℃,actual temperature resist grade 300℃
Weldless chip:temperature resist grade 450℃,actual temperature resist grade 500℃
►Operating environment
In the environment of high temperature,high humidty and high corrosion,we suggest to use glass sealed type thermistor as the core element.And MF51 type will be the best NTC thermistor in high humidity environment.
►Design considerations and procedure of temperature sensor:
1. Choose the shape acoording to customer's design or assemble requirements, and confirm the thermistor.
2. Confirm the thermistor element and other materials according to customers' requirement
3. Choose the suitable resistance,B value and tolerance
4. Choose suitable moisture-proof and insulation technology to meet customer's requirement
5. Choose suitable encapsulation structure to meet performance requirements of mechanical shock resistance
6. Meet customer's special requirements.
Working principle of temperature sensor
Using the NTC thermistor under a certain measurement power, the resistance value drops rapidly as the temperature rises. Utilizing this feature, the NTC thermistor can be used to determine the corresponding temperature by measuring its resistance value, so as to achieve the purpose of detecting and controlling the temperature.
Reliability Test
| Test Item | Test Standard | Test method | Performance requirements |
| Zero Power Resistance | IEC 60539-1 | Immerse samples in the constant temperature bath at 25℃±0.005℃,test steady resistance |
Resistance tol ±1%
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| B value | IEC60539-1 | Immerse samples in the constant temperature bath at 25℃,50℃(or 85℃), test steady resistance,and calculate B value |
Resistance tol ±1%
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| Free fall |
IEC60068-2-32
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Fall height: 1.5±0.1m,Surface: Cement , 1 time |
No obvious damage, R25 △R/R≤±1%
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| Insulation |
IEC60539-1
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500V pressure on insulation shell test insulation resistance |
>500MOhm
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| Withstand voltage | IEC60539-1 |
Withstand voltage: 1500V/AC ,Leakage current:2mA Lasting: 60sec
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No obvious damage
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| Tension | IEC60068-2-21 |
Pull uniform speed at the end, F>4.0KG(requested by customer)
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No obvious damage, R25 △R/R≤±1%
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| Vibration | Q/HBm 108-94 | Test frequency: 10~500Hz,swing: 1.2mm acceleration: 30m/s2 Direction X,Y,Z Time:8Hour/direction |
No obvious damage, R25 △R/R≤±1%
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| Steady humidity and heat | IEC60068-2-78 | Temp:40±2℃ Humidity:92-95%RH Time:1000±24Hour |
No obvious damage, R25 △R/R≤±1%
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| Thermal time constant | EC60539-1 | Immerse in 25℃ water,after thermal balance,immerse in 85℃,resistance arrives 63.2%,calculate total time |
<10 sec
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| High temperature storage | IEC60068-2-2 | Temp:125℃±5℃ Time: 1000±24Hour | No obvious damage, R25 △R/R≤±1% |
| Cold and thermal shock | IEC60068-2-14 |
-40℃~+125℃ T1:30min Cycle time:1000
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No obvious damage, R25 △R/R≤±1%
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| Knock experiment | IEC60068-2-77 |
Acceleration:250m/s2 Pulse lasting: 6ms Knock times: 1000 Recovery time: 2 Hour
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No obvious damage, R25 △R/R≤±1%
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| Low temperature storage | IEC60068-2-1 |
Temp: 40±2℃ Time: 1000±24Hour
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No obvious damage, R25 △R/R≤±1%
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| Salt spray | IEC60068-2-11 | Temp: 35±2℃ Collection hour : 1.0mL~2.0mL Time: determine per as actual demand |
No obvious damage, R25 △R/R≤±1%
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Application
Contact Person: Ms. Huang
Tel: 13423305709
