Thermistor ICs

A Thermistor is used in circuits for temperature measurement and current-limiting control. The resistance change of a thermistor depends on the ambient temperature. There are two semiconductor types, based on the temperature coefficient. Negative Temperature Coefficient (NTC) Thermistor: Resistance decreases as temperature rises, Applications in low-temperature measurements of temperature sensors, and inrush current suppression. Positive Temperature Coefficient (PTC) Thermistor: Resistance increases as temperature rises, Applications in overcurrent protection.

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Description Price Series Temperature Coefficient Type Thermal Coefficient Thermal Time Constant Resistance @ 25 °C Tolerance Application Package/Case Accuracy Maximum Power Rating Length Depth Height Dimensions
RS Stock No. 162-0139
Mfr. Part No.B59975C0120A070
BrandEPCOS
$0.964
Each (In a Box of 1000)
units
B599*5 PTC - - 1.8 Ω - Monitoring - - - - 3.5mm - 9 x 3.5mm
RS Stock No. 819-9161
Mfr. Part No.NTCLE305E4202SB
BrandVishay
$2.11
Each
units
NTCLE305E4…SB - - - - - - - - 50mW 1.6mm - - -
RS Stock No. 167-8209
Mfr. Part No.B57045K0472K000
BrandEPCOS
$1.347
Each (In a Box of 1000)
units
B57045K NTC 4.4%/°C 75s 4.7 kΩ ±10% Compensation, Control, Measurement - ±3% 450mW - 8mm 21mm -
RS Stock No. 151-243
BrandRS PRO
$5.13
Each
units
- NTC - 10s 100 kΩ ±1% Compensation, Control, Measurement - - 75mW 63.5mm 2.4mm - 2.4 x 63.5mm
RS Stock No. 167-5690
Mfr. Part No.NCP15XH103F03RC
BrandMurata
$0.06
Each (On a Reel of 10000)
units
NCP NTC - - 10 kΩ ±1% Compensation, Sensing 0402 (1005M) - 100mW 1mm 0.5mm 0.5mm 1 x 0.5 x 0.5mm
RS Stock No. 191-2162
Mfr. Part No.B57045K0472K000
BrandEPCOS
$3.59
Each
units
B57045K NTC 4.4%/°C 75s 4.7 kΩ ±10% Compensation, Control, Measurement - ±3% 450mW - 8mm 21mm -
RS Stock No. 191-1917
Mfr. Part No.B59890C0120A070
BrandEPCOS
$1.87
Each
units
B598 PTC - - 150 Ω ±25% Protection - - - - 5mm 7.5mm 4 x 5 x 7.5mm
RS Stock No. 538-0799
Mfr. Part No.NTCLG100E2103JB
$1.74
Each (In a Pack of 5)
units
NTCLG100E2 NTC -4.38%/K 6s 10 kΩ ±5% Measurement - - 100mW 3.75mm 1.8mm - 3.75 x 1.8mm
RS Stock No. 785-5759
Mfr. Part No.PTFL04BD471Q2N34B0
BrandMurata
$1.218
Each (In a Bag of 5)
units
POSISTOR PRG PTC - - 100 Ω - Automotive, AV Equipment, Communication Equipment, Home Appliance, Information Equipment, Power Supply - - - 5mm 4mm - 5 x 4mm
RS Stock No. 893-7174
Mfr. Part No.GAG10K3976B1
$9.61
Each
units
G10K3976 NTC - 0.5 - ±1% Sensing and Control, Temperature Compensation, Temperature Measurement - - - 65mm 1.5mm - 1.5 x 65mm
RS Stock No. 170-8664
Mfr. Part No.NTCLE305E4202SB
BrandVishay
$1.003
Each (In a Box of 1000)
units
NTCLE305E4…SB - - - - - - - - 50mW 1.6mm - - -
RS Stock No. 173-3426
Mfr. Part No.B57235S0100M000
BrandEPCOS
$0.467
Each (In a Bag of 1000)
units
B57235S0***M0** NTC - 60s 10 Ω ±20% Switching Power Supply - - 1800mW - 6mm - 9.5 x 6mm
RS Stock No. 167-8263
Mfr. Part No.B59890C0120A070
BrandEPCOS
$0.847
Each (In a Box of 1500)
units
B598** PTC - - 150 Ω ±25% Protection - - - - 5mm - 4 x 5mm
RS Stock No. 467-620
Mfr. Part No.B57235S0100M000
BrandEPCOS
$1.02
Each
units
B57235S0 NTC - 60s 10 Ω ±20% Switching Power Supply - - 1800mW - 6mm - 9.5 x 6mm
RS Stock No. 167-8265
Mfr. Part No.B57236S0509M000
BrandEPCOS
$0.627
Each (On a Reel of 1000)
units
B57236S0***M0** NTC - 70s 5 Ω ±20% Switching Power Supply - - 2100mW - 6mm 16mm 11.5 x 6 x 16mm
RS Stock No. 211-7986
Mfr. Part No.B57236S0509M000
BrandEPCOS
$1.57
Each
units
B57236S0 NTC - 70s 5 Ω ±20% Soft Start Motor, Switching Power Supply - - 2100mW - 6mm 16mm 11.5 x 6 x 16mm
RS Stock No. 725-9041
Mfr. Part No.NCP15XH103F03RC
BrandMurata
$0.213
Each (In a Pack of 10)
units
NCP NTC - - 10 kΩ ±1% Compensation, Sensing 0402 (1005M) - 100mW 1mm 0.5mm 0.5mm 1 x 0.5 x 0.5mm
RS Stock No. 169-1868
BrandRS PRO
$2.174
Each (In a Box of 100)
units
- NTC -4%/°C 10s 100 kΩ ±1% Compensation, Control, Measurement - - 75mW 63.5mm - - 2.4 x 63.5mm
RS Stock No. 706-2850
Mfr. Part No.B59975C0120A070
BrandEPCOS
$2.47
Each
units
B599*5 PTC - - 1.8 Ω - Monitoring - - - - 3.5mm - 9 x 3.5mm
RS Stock No. 167-8216
Mfr. Part No.B59965C0120A070
BrandEPCOS
$0.965
Each (In a Box of 1000)
units
B599*5 PTC - 10s 1.2 Ω ±25% Protection - - - 17.5mm 3.5mm 21mm 17.5 x 3.5 x 21mm