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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