PTC Thermistors

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of 98

Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Resistance @ 25°C	Resistance Tolerance	Operating Temperature	Power - Max	Mounting Type	Grade	Qualification	Package / Case	Supplier Device Package
PRF18BC471QS5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	7,980 In Stock	1 : £0.38000 Cut Tape (CT) 4,000 : £0.21324 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 120°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BG471QB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	12,246 In Stock	1 : £0.14000 Cut Tape (CT) 4,000 : £0.07320 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 90°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BF471QB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	4,141 In Stock	1 : £0.14000 Cut Tape (CT) 4,000 : £0.07316 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 100°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BC471QB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	21,019 In Stock	1 : £0.17000 Cut Tape (CT) 4,000 : £0.08620 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 130°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BA471QB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	9,006 In Stock	1 : £0.17000 Cut Tape (CT) 4,000 : £0.08620 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-40°C ~ 150°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BD471QS5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	2,300 In Stock	1 : £0.20000 Cut Tape (CT) 4,000 : £0.10541 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 120°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF15BB103RB6RC SENSOR PTC 10KOHM 50% 0402 Murata Electronics	9,140 In Stock	1 : £0.23000 Cut Tape (CT) 10,000 : £0.05164 Tape & Reel (TR)	Posistor®	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	10 kOhms	±50%	-20°C ~ 140°C	-	Surface Mount	-	-	0402 (1005 Metric)	0402 (1005 Metric)
PRF18BB471QS5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	3,845 In Stock	1 : £0.38000 Cut Tape (CT) 4,000 : £0.21324 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 140°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF15BD102RB6RC SENSOR PTC 1KOHM 50% 0402 Murata Electronics	8,760 In Stock	1 : £0.11000 Cut Tape (CT) 10,000 : £0.05660 Tape & Reel (TR)	Posistor®	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	1 kOhms	±50%	-40°C ~ 120°C	-	Surface Mount	-	-	0402 (1005 Metric)	0402 (1005 Metric)
PRF15BC102RB6RC SENSOR PTC 1KOHM 50% 0402 Murata Electronics	9,423 In Stock	1 : £0.15000 Cut Tape (CT) 10,000 : £0.05660 Tape & Reel (TR)	Posistor®	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	1 kOhms	±50%	-40°C ~ 130°C	-	Surface Mount	-	-	0402 (1005 Metric)	0402 (1005 Metric)
PRF18AR471QB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	6,410 In Stock	1 : £0.17000 Cut Tape (CT) 4,000 : £0.08620 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 160°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BA471QS5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	3,020 In Stock	1 : £0.20000 Cut Tape (CT) 4,000 : £0.10541 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-40°C ~ 150°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BB471QB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	9,052 In Stock	1 : £0.29000 Cut Tape (CT) 4,000 : £0.15471 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 140°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF21BA471QB5RA SENSOR PTC 470OHM 50% 0805 Murata Electronics	10,767 In Stock	1 : £0.29000 Cut Tape (CT) 4,000 : £0.16131 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 140°C	-	Surface Mount	-	-	0805 (2012 Metric)	0805 (2012 Metric)
PRF18BC471RB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	11,975 In Stock	1 : £0.34000 Cut Tape (CT) 4,000 : £0.18809 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 130°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BD471RB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	5,085 In Stock	1 : £0.34000 Cut Tape (CT) 4,000 : £0.18809 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 120°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BE471RB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	3,503 In Stock	1 : £0.34000 Cut Tape (CT) 4,000 : £0.18809 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 110°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BF471RB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	2,913 In Stock	1 : £0.34000 Cut Tape (CT) 4,000 : £0.18809 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 100°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF21BC471QB5RA SENSOR PTC 470OHM 50% 0805 Murata Electronics	3,076 In Stock	1 : £0.38000 Cut Tape (CT) 4,000 : £0.16131 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 120°C	-	Surface Mount	-	-	0805 (2012 Metric)	0805 (2012 Metric)
PRF18BB471RB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	7,965 In Stock	1 : £0.19000 Cut Tape (CT) 4,000 : £0.09905 Tape & Reel (TR)	Posistor®	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 140°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF18BE471QS5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	3,960 In Stock	1 : £0.20000 Cut Tape (CT) 4,000 : £0.10541 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 110°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)
PRF21BB471QB5RA SENSOR PTC 470OHM 50% 0805 Murata Electronics	1,580 In Stock	1 : £0.29000 Cut Tape (CT) 4,000 : £0.16131 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 130°C	-	Surface Mount	-	-	0805 (2012 Metric)	0805
PRF21BE471QB5RA SENSOR PTC 470OHM 50% 0805 Murata Electronics	10,523 In Stock	1 : £0.32000 Cut Tape (CT) 4,000 : £0.17555 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 100°C	-	Surface Mount	-	-	0805 (2012 Metric)	0805 (2012 Metric)
PRF21BD471QB5RA SENSOR PTC 470OHM 50% 0805 Murata Electronics	3,869 In Stock	1 : £0.38000 Cut Tape (CT) 4,000 : £0.16131 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 110°C	-	Surface Mount	-	-	0805 (2012 Metric)	0805 (2012 Metric)
PRF18AS471QB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	3,980 In Stock	1 : £0.17000 Cut Tape (CT) 4,000 : £0.06761 Tape & Reel (TR)	POSISTOR® PRF18/21	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	470 Ohms	±50%	-20°C ~ 120°C	-	Surface Mount	-	-	0603 (1608 Metric)	0603 (1608 Metric)

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Positive Temperature Coefficient (PTC) thermistor temperature sensors are devices that exhibit an increase in resistance in response to an increase in temperature. Thermistors produce an output signal that is relatively large and easy to measure compared to many other temperature sensor types, though their characteristics tend to be less stable and less suitable for precise temperature measurements. PTC thermistors in particular are often adapted for over-temperature detection applications, and often exhibit a distinctly nonlinear temperature-resistance relationship that makes them useful for detection of an imprecise "high" temperature condition, though poor for making accurate measurements.

PTC Thermistors

PTC Thermistors

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