Home > PRODUCTS > Tempe sensor > Thermistor sensor > PTC temperature sensor for overheat protection-MZ5 series

  • Functional characteristics
  • Temperature Sensor Product Introduction:
    MZ5 series PTC temperature sensor are used as temperature sensors, which have the advantages of small size and low heat capacity, and can effectively display the overheating condition of power components in switching power supplies. Taking advantage of the sudden rise in resistance of PTC sensor above the Curie temperature,When the ambient temperature rises abnormally, the protection circuit equipped with PTC thermal sensor is switched on or off by changing the resistance value to achieve the purpose of protecting the component.
    PTC sensor Application:
    1. Switching power supply,
    2. Automatic lathes, motors, electric oven, ball mills and other continuous operation of all kinds of mechanical and electrical equipment,
    3. Transformer,
    4. Power devices,
    5. Fire detection equipment,
    Temperature sensor Working principle:
    As shown in the figure, at the normal ambient temperature, the thermistor sensor resistance value Rp is less than Rs, and the output voltage is low. When the ambient temperature exceeds the set temperature, the PTC thermistor resistance value Rp rapidly rises beyond Rs, resulting in V0 increasing to a high enough voltage to operate
    Figure 1- PTC temperature sensor for overheat protection MZ5 series resistance temperature characteristic table :
    PTC temperature sensor for overheating protection MZ5 series resistance temperature characteristic table
    PTC sensor Advantages:
    1. Small size, easy installation,
    2. Good stability,
    3. Large protection temperature range,
    4. Quick action time, quick response,
    5. No need to set after overheat protection,
    6. Products are widely used,
    7. Comply with RoHS requirements.
    PTC temperature sensor for overheat protection MZ5 Series Specification Size (unit: mm):
    thermistor sensor MZ5 dimension

    PTC temperature sensor for overheating protection MZ5 Series Resistance Temperature Model Description :

    PTC thermistor sensor for protection MZ5 series part number
    1. Series: Temperature sensor for overheating protection,PTC thermistor
    2. Nominal resistance R25: 101R< 100Ω. 330 Ω
    3. Protection temperature Ts: T100-100℃
    4. Type: A- lead type B- surface mount type
    PTC temperature sensor for overheat protection MZ5 series Product model summary table :

    Item Part No. Max. voltage
    V max (V)
    Max. current
    I max (mA)
    Protection
    temperature
    T S(℃)
    Resistance @ protection
    temperature
    R S (Ω) min
    Rated Resistance  R 25  (Ω) max Resistance @ T S  -15℃
    R S-15 (Ω)max
    1 MZ5-331RT130 30 100 130 2200 330 1500
    2 MZ5-331RT120 30 100 120 2200 330 1500
    3 MZ5-331RT110 30 100 110 2200 330 1500
    4 MZ5-331RT100 30 100 100 2200 330 1500
    5 MZ5-331RT90 30 100 90 2200 330 1500
    6 MZ5-331RT80 30 100 80 2200 330 1500
    7 MZ5-331RT70 30 100 70 2200 330 1500
    8 MZ5-331RT60 30 100 60 2200 330 1500
    9 MZ5-101RT130 30 100 130 470 100 330
    10 MZ5-101RT120 30 100 120 470 100 330
    11 MZ5-101RT110 30 100 110 470 100 330
    12 MZ5-101RT100 30 100 100 470 100 330
    13 MZ5-101RT90 30 100 90 470 100 330
    14 MZ5-101RT80 30 100 80 470 100 330
    15 MZ5-101RT70 30 100 70 470 100 330
    16 MZ5-101RT60 30 100 60 470 100 330

    Note:
    1. R 25 resistance tolerance can be selected per customer’s requirement.
    2. Encapsulation mode can be made per customer’s requirement.
    3. Wire shape kinked form can be selected.
    4. Part No. listed above just for your reference only,please kindly consult our company for more choice.
    5.PTC sensor can be custom-made per customer’s requirement.

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