Pearl Sensor Water Temperature Thermal Resistor Thermistor CWF1 103F3950 10K 50K Probe Sensor
Product name: Epoxy resin encapsulated NTC temperature sensor
Standard resistance (according to customer requirements): R25℃=10KΩ±5% B25/50=3950K±1%
Working temperature: -30~125℃
Features: Ambient temperature measurement/sensitive response/small size/good consistency
Applicable to: heaters, air conditioners, refrigerators, wine cabinets, motors, lithium batteries, street lights, charging piles, etc.
Features of Epoxy Coating NTC Thermistor Sensor
1. MF52 series products are coaxial lead epoxy resin coating type
2. Wide resistance range: 500KΩmax
3. High accuracy of resistance and B value
4. Moisture proof, good insulation, high reliability, small time constant
5. Small volume, fast reflection speed
6. Can work steadily for a long time, good consistency
7. Wide range of operating temperature
Application Of Epoxy Resin Thermistor NTC Sensor
NTC sensor is widely used in temperature measurement for induction cooker, rice cooker, microwave oven, water machine, electric kettle, heater, air conditioner, refrigerator, water dispenser, disinfection cabinet, washing machine, coffee maker and so on household appliances. Besides, the sensors are applicable to automobile, Internet of things,medical temperature measurement, industrial temperature measurement, garden temperature control and breeding industry etc.
A:(Tin. nickle Cu or Cp wire)
Normal dimension table
| Code | Dmax | L1max | L2min | d ±0.05 | F ±0.5 |
| A1 | 2.5 | 4 | 25 | 0.3 | 1.7 |
| A2 | 3 | 4.5 | 25 | 0.45 | 2.2 |
B:(Enamelled cu wire)
Normal dimension table
| Code | Dmax | L1max | L2min | L3 ±1 | d±0.05 |
| B1 | 2 | 3.5 | by user determine | 3 | 0.2 |
| B2 | 3 | 4 | by user determine | 3 | 0.3 |
C:(High-temperature wire)
Normal dimension table
| Code | Dmax | L1max | L2min | L3 ±1 | Wire AWG |
| C1 | 3 | 7.5 | by user determine | 5 | 30# |
| C2 | 4 | 7.5 | by user determine | 5 | 28# |
D:(Normal temperature wire)
Normal dimension table
| Code | Dmax | L1max | L2min | L3 ±1 | Wire AWG |
| D1 | 3 | 7.5 | by user determine | 5 | 30# |
| D2 | 4 | 7.5 | by user determine | 5 | 28# |
E:Lead and head are all special specification)
Normal dimension table
| Code | Dmax | L1max | L2min | L3 ±1 | Wire AWG |
| E1 | by user determine | by user determine | by user determine | 5 | by user determine |
| E2 | by user determine | by user determine | by user determine | 5 | by user determine |
DE:(Cp Lead Coated with epoxy resin)
Normal dimension table
| Code | Dmax | L1max | L21max | L3 | d±0.05 | F±0.05 |
| DE1 | 3 | 6.0 | 55 | By user determine | 0.3 | / |
| DE2 | 4 | 7.5 | 35 | by user determine | 0.45 | / |
F:(Tinned steel wire)
Normal dimension table
| Code | Dmax | L1max | L2±1.5 | d±0.01 | f±0.05 | T max |
| F | 3.8 | 9.5 | 17 | 0.6 | 2.5 | 3.5 |
Series Data Of The NTC Thermistor Temperature Sensor
| Part No. | Rated Resistance R25(KΩ ) | B Value(25/50°KΩ) | Rated Power (mw) | Dissi. Coef. (mw/°C) | Thermal time Constant(S) | Operating Temp. (°C) |
| MF52 3100 | 0.1 ~20 | 3100 | ≤50 | ≥2.0 In Still Air | ≤12 In Still Air | -40~+125°C |
| MF52 3270 | 0.2 ~20 | 3270 |
| MF52 3380 | 0.5 ~50 | 3380 |
| MF52 3470 | 0.5 ~50 | 3470 |
| MF52 3600 | 1 ~100 | 3600 |
| MF52 3950 | 5 ~100 | 3950 |
| MF52 4000 | 5 ~100 | 4000 |
| MF52 4050 | 5 ~200 | 4050 |
| MF52 4150 | 10 ~250 | 4150 |
| MF52 4300 | 20 ~1000 | 4300 |
| MF52 4500 | 20 ~1000 | 4500 |
Temperature Measurement With Thermistor Sensor
The thermistor sensor, which is used to measure temperature, is simple in structure and low in price.
Thermistors without external protective layers can only be used in dry areas; sealed thermistors are resistant to moisture and can be used in harsh environments.
Because the resistance value of thermistor sensor is relatively large, the resistance and contact resistance of its connecting wires can be ignored.
Therefore, thermistor sensor can be applied in long-distance temperature measurement up to several thousand meters, and the measurement circuit mostly adopts bridge.
The principle can also be used for other temperature measurement, temperature control circuit.
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