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. 483-7991
Mfr. Part No.KTY81/210,112
BrandNXP
MYR6.514
Each (In a Pack of 5)
units
KTY PTC - 3 (Flowing Liquid) s, 30 (Air) s, 5 (Still Liquid) s 2.02kΩ - Control, Measurement SOD70 - - 5.2mm 4.2mm 4.8mm 5.2 x 4.2 x 4.8mm
RS Stock No. 124-2315
Mfr. Part No.KTY81/210,112
BrandNXP
MYR3.012
Each (In a Bag of 500)
units
KTY PTC - 3 (Flowing Liquid) s, 30 (Air) s, 5 (Still Liquid) s 2.02kΩ - Control, Measurement SOD70 - - 5.2mm 4.2mm 4.8mm 5.2 x 4.2 x 4.8mm
RS Stock No. 103-8133
Mfr. Part No.KTY81/110,112
BrandNXP
MYR2.94
Each (In a Bag of 500)
units
KTY81 PTC - 3 (Flowing Liquid) s, 30 (Air) s, 5 (Still Liquid) s 1.01kΩ - Control, Measurement SOD70 - - 5.2mm 4.2mm 4.8mm 5.2 x 4.2 x 4.8mm
RS Stock No. 165-9830
Mfr. Part No.KTY82/110,215
BrandNXP
MYR2.19
Each (On a Reel of 3000)
units
KTY82 PTC - 0.5 (Flowing Liquid) s, 1 (Still Liquid) s, 7 (Air) s 1.01kΩ - Control, Measurement SOT23 - - 3mm 1.4mm 0.95mm 3 x 1.4 x 0.95mm
RS Stock No. 169-7289
Mfr. Part No.KTY82/120,215
BrandNXP
MYR1.574
Each (On a Reel of 3000)
units
- - - - - - - - - - - - - -
RS Stock No. 803-0728
Mfr. Part No.KTY82/110,215
BrandNXP
MYR4.31
Each (In a Pack of 10)
units
KTY82 PTC - 0.5 (Flowing Liquid) s, 1 (Still Liquid) s, 7 (Air) s 1.01kΩ - Control, Measurement SOT23 - - 3mm 1.4mm 0.95mm 3 x 1.4 x 0.95mm
RS Stock No. 124-2316
Mfr. Part No.KTY81/220,112
BrandNXP
MYR1.94
Each (In a Bag of 500)
units
KTY82 PTC - 3 (Flowing Liquid) s, 30 (Air) s, 5 (Still Liquid) s 2.04kΩ - Control, Measurement SOD70 - - 5.2mm 4.2mm 4.8mm 5.2 x 4.2 x 4.8mm
RS Stock No. 816-0504
Mfr. Part No.KTY82/120,215
BrandNXP
MYR2.819
Each (In a Pack of 15)
units
- - - - - - - - - - - - - -
RS Stock No. 483-6875
Mfr. Part No.KTY81/220,112
BrandNXP
MYR3.528
Each (In a Pack of 5)
units
KTY81 PTC - 3 (Flowing Liquid) s, 30 (Air) s, 5 (Still Liquid) s 2.04kΩ - Control, Measurement SOD70 - - 5.2mm 4.2mm 4.8mm 5.2 x 4.2 x 4.8mm
RS Stock No. 803-0715
Mfr. Part No.KTY81/110,112
BrandNXP
MYR5.17
Each (In a Pack of 10)
units
KTY81 PTC - 3 (Flowing Liquid) s, 30 (Air) s, 5 (Still Liquid) s 1.01kΩ - Control, Measurement SOD70 - - 5.2mm 4.2mm 4.8mm 5.2 x 4.2 x 4.8mm