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              NTC Thermistor

              MF52 Pearl-Shape Temp Measurement NTC Thermistor series

              • Sealed glass Series NTC
              • Epoxy-Sealed series NTC

              Sealed glass Series NTC Thermistor

               

              Applications:
              Air conditioner (heat and cool) and related equipment.

              Temperature measurement and control and thermal protection circuits in various family appliances, such as air conditioner, refrigerator, electromagnetic oven, bread toaster, bake oven, electric roaster, microwave oven, electric fan, soybean milk maker, electric water heater, rice cooker, sterilizing cabinet, water dispenser and lighting appliances .

              Temperature measurement and control circuit in the equipment for industrial and agricultural, medical, meteorological purpose, environmental protection and food processing.

              Automatic office appliances.

              Temperature compensation circuits such as instrument and coils, automobile circuit, integrated circuit module, transistor amplifying circuit, quartz crystal oscillator and thermocouple.

               

              1、Dimensions and sizes

              2、Features
              ·Glass sealed packaging with firm structure and good heat resistance, applicable in severe environment.
              ·High precision resistance and B values high reliability and stability.
              ·Fast response and high sensitivity.
              ·Good interchangeability, good consistency, high performance/price ratio.
              Small size and light weight, suitable for auto and mass production.
              3、Applications
              Temperature measurement.
              ·Temperature control.
              ? ·Temperature compensation.
              4、 Applications
              ·Battery Pack
              ·Temperature compensation circuits such as instrument and coils, automobile circuit, integrated circuit module, transistor amplifying circuit, quartz crystal oscillator and thermocouple.
              5、Product Types and Specifications
              ??? YYMF 58/-104 J395 F? ?
              ①???? ②? ③????? ④ ⑤?? ⑥? ⑦
              ?①YY —— Abbreviations for company.
               ②MF -—— Negative temperature coefficient of ?thermistor.
              ③58/51 ——Temperature measurement type glass sealed thermistor.
              ④104 ——Nominal resistance of thermistor, e.g. 104 indicates that the nominal resistance of the thermistor is 10 × 104(Ω).
               ⑤J —— Resistance error (precision) of thermistor, e.g. J indicates the nominal resistance error of the thermistor is ± 5%.
              ⑥ 395 ——B25/50 value of thermistor, e.g. 395 indicates the thermistors material factors B25/50 value is 395*10K.
              ⑦F ——B25/50  error (precision) of thermistor, e.g. F indicates the thermistors B25/50 error (precision) is ± 1%.
                Note:R25 precision:F(±1%),G(±2%),H(±3%),J(±5%),K(±10%).
                              ?      B25/50 precision:F(±1%),G(±2%),H(±3%).


              6、Main Technical Parameters

              specification Resistance
              At 25℃
              (KΩ)
              B25/50(K) Thermal
              dissipation
              constant
              (mW/℃)
              Thermal
              time
              constant
              (S)
              Temperature
              Range
              (℃)
              MF58-202F-347F
              2
              3470
              2.5
              17
              -40~300
              MF58-302G-350G
              3
              3500
              MF58-502H-350H
              5
              3500
              MF58-103J-350H
              10
              3550
              MF58-153K-360H
              15
              3600
              MF58-103J-370H
              10
              3700
              MF58-203J-385G
              20
              3850
              MFB-303J-390H
              30
              3900
              MFB-473J-395G
              47
              3950
              MFB-503J-395H
              50
              3950
              MFB-104J-405H
              100
              4050
              MFB-154J-410H
              150
              4100

               

              Parameters Parameter range Test conditions
              R25nominal resistance 500 Ω~1M Ω Constant temperature
              50℃± 0.05 ℃
              Allowed R25 deviation(%) ± 1 、± 2 、± 3 
              ± 5 、± 10
              Constant temperature
              50℃± 0.05 ℃
              B25/50(material coefficient) (thermal sensitive index ) 2500~5000K Constant temperature 
              25 ℃± 0.05 ℃
              Constant temperature
              50℃± 0.05 ℃
              Allowed B25/50deviation(%) ± 0.05 、± 1 、± 2 Constant temperature 
              25 ℃± 0.05 ℃
              Constant temperature
              50℃± 0.05 ℃
              (dissipation factor) ≥ 1.5 mw/ ℃ In still air
              (thermal time constant) ≤ 17S In still air
              TA(working temperature) -55 ℃~+250 ℃  
              PN(rated power) 50 mw In maximum working temperature

               

              Epoxy-Sealed series NTC thermistor

               

              Application
              ·Electric thermo meter, electric calendar, electric clock temperature presentation and electric gifts.
              ·Cooling and heating equipment, electric heating constant appliances.
              ·Automobile electric temperature measurement and control circuit.
              ·Temperature sensor and temperature instrument.
              ·Medical electrical equipment and electric toilet facilities.
              Detail:
              1、Appearance and Dimensions(Unit:mm)

              specification T(Max) L(Min) d±0.03
              02D 2.0 25 0.25
              03D 3.5 25 0.45

               

              2、Features
              ·Epoxy enclosed, small in volume, with quick response time and high sensitivity.
              ·Stable in working, high in reliability and precision.
              ·Consistent and easy to interchange.
              3、Purpose
              ·Precision temperature measurement.
              ·Temperature compensation for electric circuits.
              ·Temperature measurement and control circuit.
              4、Application
              ·Electric thermo meter, electric calendar, electric clock temperature presentation and electric gifts.
              ·Cooling and heating equipment, electric heating constant appliances.
              ·Automobile electric temperature measurement and control circuit.
              ·Temperature sensor and temperature instrument.
              ·Medical electrical equipment and electric toilet facilities.
              5、Description of Product Types and Specifications
              YYMF 5A/-104 J395 F? ?
              ①???? ②? ③????? ④ ⑤?? ⑥? ⑦
              ①YY ——Abbreviations for company.

               ②MF -—— Indicates negative temperature (NTC) coefficient thermistor.
              ③5A —— Temperature measurement type epoxy enclosed thermistor.
              ④104 —— Nominal resistance of thermistor, e.g. 103 indicates that the nominal resistance of the thermistor is 10 * 103 (Ω). 
              ⑤J —— Resistance error (precision), e.g. G indicates the error (precision) of the thermistors is ± 2%.
              ⑥ 395 —— Material factor B25/50 value of thermistor, e.g.395 indicates the material factor B25/50 value of the thermistor is 395*10K.
              ⑦F —— B25/50 error (precision), e.g. F indicates the B25/50 error (precision) of the thermistor is ±1% .
                Note :R25 precision :F(±1%),G(±2%),H(±3%),J(±5%),K(±10%).
                            ??     B25/50 precision :F(±1%),G(±2%),H(±3%).    
               6、Main Technical Parameters:

              Part NO
              Resistance
              At 25℃
              (KΩ)
              B 25/50
              value
              (K)
              Thermal
              dissipation
              constant
              (mW/℃)
              Thermal
              time
              constant
              (S)
              Temperature 
              Range
              (℃)
              MF5A 02D502-327
              5
              3270
              2.5
              16
              -55~125
              MF5A 02D103-338
              10
              3380
              MF5A 02D502-347
              5
              3470
              MF5A 02D103-347
              10
              3470
              MF5A 02D202-392
              2
              3920
              MF5A 02D502-395
              5
              3950
              MF5A 02D503-395
              50
              3950
              MF5A 02D473-395
              47
              3950
              MF5A 02D104-410
              100
              4100

               

              Part NO
              Resistance
              At 25℃
              (KΩ)
              B 25/50
              value
              (K)
              Thermal
              dissipation
              constant
              (mW/℃)
              Thermal
              time
              constant
              (S)
              Temperature 
              Range
              (℃)
              MF5A 03D101-305
              100
              3050
              2.5
              16
              -55~125
              MF5A 03D502-327
              5K
              3270
              MF5A 03D103-338
              10K
              3380
              MF5A 03D502-347
              5K
              3470
              MF5A 03D103-347
              10K
              3470
              MF5A 03D202-392
              2K
              3920
              MF5A 03D502-395
              5K
              3950
              MF5A 03D503-395
              50K
              3950
              MF5A 03D473-395
              47K
              3950
              MF5A 03D104-410
              100K
              4100

               

              Parameters
              Parameter range
              Test conditions
              R25(nominal resistance) 500 Ω~ 200K Ω Constant temperature 
              25 ℃± 0.05 ℃
              Allowed R25 deviation (%) ± 1 、± 2 、± 3 、
              ± 5 、± 10
              Constant temperature 
              25 ℃± 0.05 ℃
              B25/50(material coefficient)
              (thermal sensitive index)
              3000 ~ 5000K Constant temperature 
              25 ℃± 0.05 ℃
              Constant temperature  
              50 ℃± 0.05 ℃
              Allowed B25/50deviation(%) ± 1 、± 2 、± 3 Constant temperature 
              25, ℃± 0.05 ℃
              Constant temperature 
              50 ℃± 0.05 ℃
              δ(dissipation factor) ≥ 0.7mw/ ℃ In still air
              τ(thermal time constant) ≤ 3.4S In still air
              TA(working temperature) -40 ℃ ~ +125 ℃  
              PN(rated power) 50 mw In maximum working temperature