Hefei Jingpu Sensor Technology Co., Ltd. is one of the leading manufacturers and suppliers of 10k 3950 ntc thermistor in China, featured by quality products and low price. If you're going to buy discount 10k 3950 ntc thermistor made in China, welcome to get quotation from our factory. We also accept customized orders.
Brief Instruction：
MF58 series glass bead temperature sensor, as a kind of NTC thermistor sensor, glass coated NTC thermistor is made of glass beads, thin dumet wire. Its notable advantage is its resistance to high temperature. Glass coated NTC thermistors are widely used in automotive electronics, household appliances, industrial equipment and other fields.
Features：
Glass encapsulation
High temperature resistant
Operating temperature range: -40℃~250℃
R25=10KΩ±1%，B25/50=3950±1%
Application：
Home appliance
Part Number Code：
For example: B8103F3435BF: MF58 series NTC thermistor, R25℃=10kΩ±1%, B25/85=3435k±1%;
Structure and Dimensions：
Product pictures/images：
Standard packing (inner packing): 500pcs/polybag
Operation Notice
1.The current through the NTC thermistor is controlled within the Pmax range to avoid measurement errors due to element self-heating.
2.To avoid excessive heat shock, blow the probe at least 30mm with hot air in case heat shrink protection tubes need to be installed.
Technical parameters
Thermal time constant: Maximum is 12 seconds. The time required for the temperature of the thermistor to change by 63.2% OF THE INITIAL and final temperature difference when the temperature changes at zero power.
Dissipation coefficient: (5MW/℃) Sensor temperature in stationary air at room temperature
Insulation resistance: more than 100Mohm. Put on 500V DC in water and measure insulation resistance
Voltage test: power on for 2 seconds, no damage. AC1800V, action current 1MA, power on for 2 seconds
Operating temperature: -40~250℃
Mechanical properties
Tensile test: appearance without deformation, without damage. Load 9.8N (1KGF) for 1 min
Landing test: same as above. At a height of one meter, let the product do a free fall motion and fall to the 10mm thick oak board five times.
Reliability test
Temperature cycle test: under the condition of -20℃, placed for 10 minutes, under the condition of 25℃, placed for 2 minutes; At 80℃, let sit for 10 minutes a cycle, 500 cycles
High temperature test: Place the sample at an environment of 80 for 1000 hours
Low temperature test: Place the sample at -20℃. 1000 hours.
Humidity test: Place the sample in an environment of 65±1℃, 90% to 95% humidity for 1000 hours
After four tests, the change rate of resistance and B value should be within 2%, without any change in appearance. Therefore, the insulation resistance and voltage, but also meet the requirements.
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