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. 516-7776
BrandRS PRO
MYR4.42
Each
units
- NTC - 56s 25 Ω ±20% Protection - - - - 5mm - 10 (Dia.) x 5mm
RS Stock No. 166-7647
Mfr. Part No.ND03J00681KCC
BrandAVX
MYR1.374
Each (In a Box of 3000)
units
ND03 NTC -3.9%/°C 10s 680 Ω ±10% Compensation, Measurement, Sensing - ±3% - - 3mm - 3.5 (Dia.) x 3mm
RS Stock No. 191-1692
Mfr. Part No.B59008C0080A040
BrandEPCOS
MYR8.26
Each
units
- PTC - 20s 250 Ω - Protection - - - 3mm - - -
RS Stock No. 167-6854
Mfr. Part No.NB21K00103KBB
BrandAVX
MYR0.558
Each (On a Reel of 4000)
units
NB21 NTC -4%/°C 4s 10 kΩ ±10% Control, Protection 0603 (1608M) ±3% - 1.6mm 0.8mm 0.8mm 1.6 x 0.8 x 0.8mm
RS Stock No. 697-6758
Mfr. Part No.NB21J50103JBB
BrandAVX
MYR2.83
Each (In a Pack of 5)
units
NB21 NTC -3.9%/°C 4s 10 kΩ ±5% Control, Protection 0603 (1608M) ±3% - 1.6mm 0.8mm 0.8mm 1.6 x 0.8 x 0.8mm
RS Stock No. 697-4556
Mfr. Part No.NI24NA0103F--
BrandAVX
MYR13.07
Each
units
NI24 NTC -4.6%/°C 8s 10 kΩ ±1% Measurement - ±3% 160mW 2.4mm - - -
RS Stock No. 516-7811
BrandRS PRO
MYR5.41
Each
units
- NTC - 91s 8 Ω ±20% Protection - - - - 6mm - 13 (Dia.) x 6mm
RS Stock No. 191-1771
Mfr. Part No.B59830C0120A070
BrandEPCOS
MYR13.78
Each
units
- PTC - 8s 3.7 Ω ±25% Protection - - - 22mm 5mm 25.5mm 22 x 5 x 25.5mm
RS Stock No. 191-2162
Mfr. Part No.B57045K0472K000
BrandEPCOS
MYR9.24
Each
units
- NTC 4.4%/°C 75s 4.7 kΩ ±10% Compensation, Control, Measurement - ±3% 450mW - 8mm 21mm -
RS Stock No. 167-4215
Mfr. Part No.PTFL04BE222Q2N34B0
BrandMurata
MYR1.77
Each (In a Bag of 400)
units
POSISTOR PRG PTC - - 330 Ω - Automotive, AV Equipment, Communication Equipment, Home Appliance, Information Equipment, Power Supply - - - 5 (Dia.)mm 4mm - 5 (Dia.) x 4mm
RS Stock No. 697-6764
Mfr. Part No.NB21K00103KBB
BrandAVX
MYR1.354
Each (In a Pack of 5)
units
NB21 NTC -4%/°C 4s 10 kΩ ±10% Control, Protection 0603 (1608M) ±3% - 1.6mm 0.8mm 0.8mm 1.6 x 0.8 x 0.8mm
RS Stock No. 619-7740
Mfr. Part No.NCP18XH103J03RB
BrandMurata
MYR0.552
Each (In a Pack of 25)
units
NCP NTC - - 10 kΩ ±5% Compensation, Sensing 0603 (1608M) - 100mW 1.6mm 0.8mm 0.8mm 1.6 x 0.8 x 0.8mm
RS Stock No. 496-2384
Mfr. Part No.B59901D0110A040
BrandEPCOS
MYR10.61
Each (In a Pack of 5)
units
- PTC - - 100 Ω - Sensing - - - 8.5mm 6.5mm 20mm 8.5 x 6.5 x 20mm
RS Stock No. 167-8276
Mfr. Part No.B57237S0150M000
BrandEPCOS
MYR2.794
Each (On a Reel of 1000)
units
- NTC - 90s 15 Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 785-6046
Mfr. Part No.PTGL12AR270M9C01B0
BrandMurata
MYR9.24
Each
units
POSISTOR PTGL PTC - - 27 Ω ±20% Automotive, AV Equipment, Communication Equipment, Home Appliance, Information Equipment, Power Supply - - 2300mW 14 (Dia.)mm 6.5mm - 14 (Dia.) x 6.5mm
RS Stock No. 684-0920
Mfr. Part No.TFPT0603L1001FV
BrandVishay
MYR7.49
Each
units
TFPT Linear PTC 0.41%/°C - 1 kΩ ±1% - 0603 (1608M) - 75mW 1.6mm 0.85mm 0.45mm 1.6 x 0.85 x 0.45mm
RS Stock No. 785-5753
Mfr. Part No.PTFL04BE222Q2N34B0
BrandMurata
MYR3.23
Each (In a Bag of 5)
units
POSISTOR PRG PTC - - 330 Ω - Automotive, AV Equipment, Communication Equipment, Home Appliance, Information Equipment, Power Supply - - - 5 (Dia.)mm 4mm - 5 (Dia.) x 4mm
RS Stock No. 212-0386
Mfr. Part No.B59990C0120A070
BrandEPCOS
MYR4.66
Each
units
- PTC - - 55 Ω ±25% Protection - - - - 3.5mm - 4 (Dia.) x 3.5mm
RS Stock No. 167-8573
Mfr. Part No.B59008C0080A040
BrandEPCOS
MYR3.49
Each (In a Box of 1000)
units
- PTC - 20s 250 Ω - Protection - - - 3mm - - -
RS Stock No. 167-3816
Mfr. Part No.NCP15XV103J03RC
BrandMurata
MYR0.192
Each (On a Reel of 10000)
units
NCP NTC - - 10 kΩ ±5% Temperature Measurement 0402 (1005M) - 100mW 1mm 0.5mm 0.5mm 1 x 0.5 x 0.5mm