Thermistor ICs | NTC & PTC Thermistors | RS
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    Thermistor ICs

    A Thermistor IC (thermal resistor) is a semiconductor device that is used in a wide range of circuits, including surge protection. Often used for temperature measurement as well as current-limiting control.  Thermistors change their resistance based on the temperature. There are two types NTC and PTC and the resistance will change depending on the temperature. They are used in a variety of applications, such as temperature control, heating control and sensing. RS can offer products from leading manufacturers including EPCOS, Vishay, TE Connectivity, Panasonic, KYOCERA AVX, Molex, Murata and many more.

    There are two semiconductor types, these are both based on the temperature coefficient.

    • Negative Temperature Coefficient (NTC) Thermistor: An NTC thermistor’s resistance decreases as the temperature rises and can be found in applications such as low-temperature measurements of temperature sensors, as well as inrush current limiters.
    • Positive Temperature Coefficient (PTC) Thermistor: A PTC's thermistor resistance increases as the temperature rises and can be found in applications such as overcurrent protection

    A Thermistor is a temperature-sensing device. Available in different formats including disc, bead, and chip either through hole or surface mounted (SMD) usually encapsulated in epoxy resin, paint, glassed or phenolic and can be mounted or fixed into the system needing monitoring. See Sensors-Thermistors

    1229 Products showing for Thermistor ICs

    EPCOS
    B57238S0M0
    NTC
    -
    80s
    10Ω
    ±20%
    -
    -
    -
    3.9W
    16mm
    7mm
    23mm
    16 x 7 x 23mm
    +170°C
    -55°C
    EPCOS
    B59701
    PTC
    -
    -
    -
    -
    -
    0805 (2012M)
    -
    -
    2mm
    1.25mm
    0.8mm
    2 x 1.25 x 0.8mm
    +125°C
    -40°C
    Vishay
    NTCLE101E3
    NTC
    -
    -
    10kΩ
    ±1%
    -
    -
    -
    250mW
    3.5mm
    2.8mm
    8mm
    3.5 x 2.8 x 8mm
    +125°C
    -55°C
    Amphenol Advanced Sensors
    AL03006
    NTC
    -
    7s
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Vishay
    PTCCL
    PTC
    -
    -
    25Ω
    ±20%
    -
    -
    -
    -
    20.5mm
    4mm
    10mm
    5 x 4 x 10mm
    +85°C
    -40°C
    Vishay
    NTCLE100E3
    NTC
    -4.38%/K
    15s
    10kΩ
    ±5%
    -
    -
    -
    500mW
    3.3mm
    3mm
    9mm
    3.3 x 3 x 9mm
    +125°C
    -40°C
    Murata
    POSISTOR PTGL
    PTC
    -
    -
    3.3Ω
    ±30%
    -
    -
    -
    1100mW
    9.5mm
    4mm
    -
    9.5 x 4mm
    +60°C
    -10°C
    Murata
    NCP18
    NTC
    -
    -
    3.3kΩ
    ±5%
    -
    0603 (1608M)
    -
    100mW
    1.6mm
    0.8mm
    0.8mm
    1.6 x 0.8 x 0.8mm
    +125°C
    -40°C
    TDK
    NTC Series
    NTC
    -
    -
    -
    -
    -
    0402 (1005M)
    -
    -
    1mm
    0.5mm
    0.5mm
    1 x 0.5 x 0.5mm
    +125°C
    -40°C
    Molex
    215279
    NTC
    -4.4%/°C
    -
    -
    ±1%
    Sensing
    -
    -
    -
    40mm
    -
    -
    -
    -
    -
    TE Connectivity
    NTC
    NTC
    -
    4s
    150kΩ
    ±5%
    -
    0805 (2012M)
    -
    125mW
    2mm
    1.25mm
    0.5mm
    2 x 1.25 x 0.5mm
    +125°C
    -55°C
    Molex
    215272
    NTC
    -4.4%/°C
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    TE Connectivity
    10K3A1
    NTC
    4.39%/°C
    1s
    -
    ±0.5%
    -
    -
    -
    -
    76mm
    2.4mm
    -
    2.4 x 76mm
    +125°C
    -40°C
    Molex
    215279
    NTC
    -4.4%/°C
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Murata
    NCP
    NTC
    -
    -
    470kΩ
    ±3%
    -
    0603 (1608M)
    -
    -
    1.6mm
    0.8mm
    0.8mm
    1.6 x 0.8 x 0.8mm
    +125°C
    -40°C
    Molex
    215272
    NTC
    -4.4%/°C
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    EPCOS
    B57891M
    NTC
    -
    12s
    4.7kΩ
    ±10%
    -
    -
    -
    200mW
    -
    3.5mm
    3.5mm
    3.5 x 3.5mm
    +125°C
    -40°C
    Vishay
    NTCLE100E3
    NTC
    -
    15s
    1kΩ
    ±5%
    -
    -
    -
    500mW
    3.3mm
    3mm
    9mm
    3.3 x 3 x 9mm
    +125°C
    -40°C
    EPCOS
    B572**V2
    NTC
    4.4%/°C
    3s
    10kΩ
    ±5%
    -
    0402 (1005M)
    -
    150mW
    1mm
    0.5mm
    0.6mm
    1 x 0.5 x 0.6mm
    +125°C
    -55°C
    Amphenol Advanced Sensors
    CL
    NTC
    -
    120s
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
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