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. 216-1371
Mfr. Part No.B57237S0100M000
BrandEPCOS
$1.62
Each
units
- NTC - 90s 10Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 754-6645
Mfr. Part No.NTCLE100E3103JB0
BrandVishay
$0.788
Each (In a Pack of 5)
units
- NTC - 15s 10kΩ ±5% Sensing & Control, Temperature Compensation in Industrial & Consumer Electronics, Temperature Measurement - - 500mW 3.3mm 3mm 9mm 3.3 x 3 x 9mm
RS Stock No. 754-6648
Mfr. Part No.NTCLE100E3472JB0
BrandVishay
$0.752
Each (In a Pack of 5)
units
- NTC - 15s 4.7kΩ ±5% Sensing & Control, Temperature Compensation in Industrial & Consumer Electronics, Temperature Measurement - - 500mW 3.3mm 3mm 9mm 3.3 x 3 x 9mm
RS Stock No. 191-2257
Mfr. Part No.B57164K0472J000
BrandEPCOS
$1.234
Each (In a Pack of 5)
units
- NTC 4.4%/°C 20s 4.7kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 697-4569
Mfr. Part No.NJ28KA0202HCC
BrandAVX
$2.71
Each
units
NJ28 NTC -4.1%/°C 8s 2kΩ ±3% Measurement - ±1% - 2.8mm - - -
RS Stock No. 167-8273
Mfr. Part No.B57237S0509M000
BrandEPCOS
$1,106.80
1 Reel of 1000
Reel(s)
- NTC - 90s ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 769-1940
Mfr. Part No.B57551G1103F000
BrandEPCOS
$6.256
Each (In a Pack of 5)
units
- NTC - 9s 10kΩ ±1% Measurement - - 32mW - - 45mm 1.8 (Dia.) x 45mm
RS Stock No. 785-5740
Mfr. Part No.PTFL04BB471Q2N34B0
BrandMurata
$0.92
Each (In a Bag of 5)
units
POSISTOR PRG PTC - - 100Ω - Automotive, AV Equipment, Communication Equipment, Home Appliance, Information Equipment, Power Supply - - - 5 (Dia.)mm 4mm - 5 (Dia.) x 4mm
RS Stock No. 166-7655
Mfr. Part No.NI24NA0103F--
BrandAVX
$2.156
Each (In a Bag of 1000)
units
NI24 NTC -4.6%/°C 8s 10kΩ ±1% Measurement - ±3% 160mW 2.4mm - - -
RS Stock No. 167-0533
Mfr. Part No.B57551G1103F000
BrandEPCOS
$2.95
Each (In a Box of 1000)
units
- NTC - 9s 10kΩ ±1% Measurement - - 32mW - - 45mm 1.8 (Dia.) x 45mm
RS Stock No. 538-0755
Mfr. Part No.NTCLE100E3222JB0
$0.584
Each (In a Pack of 5)
units
- NTC -4.38%/°C 15s 2.2kΩ ±5% Compensation, Control, Measurement - ±0.75% - 3.3mm 3mm 9mm 3.3 x 3 x 9mm
RS Stock No. 216-1450
Mfr. Part No.B57237S0509M000
BrandEPCOS
$1.62
Each
units
- NTC - 90s ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 124-2316
Mfr. Part No.KTY81/220,112
BrandNXP
$0.685
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. 167-4211
Mfr. Part No.PTFL04BB471Q2N34B0
BrandMurata
$0.662
Each (In a Bag of 400)
units
POSISTOR PRG PTC - - 100Ω - Automotive, AV Equipment, Communication Equipment, Home Appliance, Information Equipment, Power Supply - - - 5 (Dia.)mm 4mm - 5 (Dia.) x 4mm
RS Stock No. 167-4142
Mfr. Part No.PTGL18AR6R0H8B72B0
BrandMurata
$2.68
Each (In a Bag of 100)
units
POSISTOR� PTGL PTC - - ±25% Automotive, AV Equipment, Communication Equipment, Home Appliance, Information Equipment, Power Supply - - 3700mW 18.5 (Dia.)mm 6mm - 18.5 (Dia.) x 6mm
RS Stock No. 785-6099
Mfr. Part No.PTGL18AR6R0H8B72B0
BrandMurata
$4.57
Each
units
POSISTOR PTGL PTC - - ±25% Automotive, AV Equipment, Communication Equipment, Home Appliance, Information Equipment, Power Supply - - 3700mW 18.5 (Dia.)mm 6mm - 18.5 (Dia.) x 6mm
RS Stock No. 483-6875
Mfr. Part No.KTY81/220,112
BrandNXP
$1.21
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. 191-1686
Mfr. Part No.B59008C0070A040
BrandEPCOS
$1.64
Each
units
- PTC - 20s 250Ω - Protection - - - 3mm - - -
RS Stock No. 697-4556
Mfr. Part No.NI24NA0103F--
BrandAVX
$5.92
Each
units
NI24 NTC -4.6%/°C 8s 10kΩ ±1% Measurement - ±3% 160mW 2.4mm - - -
RS Stock No. 167-8572
Mfr. Part No.B59008C0070A040
BrandEPCOS
$1,150.00
1 Box of 1000
Box(es)
- PTC - 20s 250Ω - Protection - - - 3mm - - -
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