PTC Thermistors

Browse available PTC Thermistors part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Resistance @ 25°C	Resistance Tolerance	Operating Temperature	Power - Max	Mounting Type	Grade	Qualification	Supplier Device Package
B59421A0075A062 SENSOR PTC 470OHM 50% 0402 TDK	5,435	1+：$0.44000 5+：$0.38200 10+：$0.36100 25+：$0.33560 50+：$0.31880 100+：$0.30330 500+：$0.27218 1000+：$0.26062 5000+：$0.23741	RFQ	Datasheet	B59421	0402 (1005 Metric)	Tape & Reel (TR)	Active	470 Ohms	±50%	-40°C ~ 125°C	-	Surface Mount	Automotive	AEC-Q200	0402
B59641A0105A062 SENSOR PTC 470OHM 50% 0603 TDK	125,277	1+：$0.38000 5+：$0.33000 10+：$0.31200 25+：$0.29000 50+：$0.27500 100+：$0.26140 500+：$0.23400 1000+：$0.22382	RFQ	Datasheet	B59641	0603 (1608 Metric)	Tape & Reel (TR)	Active	470 Ohms	±50%	-40°C ~ 125°C	-	Surface Mount	Automotive	AEC-Q200	0603
B59721A0100A062 SENSOR PTC 680OHM 50% 0805 TDK	14,331	1+：$0.50000 5+：$0.44000 10+：$0.41600 25+：$0.38800 50+：$0.36880 100+：$0.35110 500+：$0.31562 1000+：$0.30244	RFQ	Datasheet	B59721	0805 (2012 Metric)	Tape & Reel (TR)	Active	680 Ohms	±50%	-40°C ~ 125°C	-	Surface Mount	Automotive	AEC-Q200	0805
B59701A0100A062 SENSOR PTC 680OHM 50% 0805 TDK	5,678	1+：$0.80000 5+：$0.69800 10+：$0.66200 25+：$0.61880 50+：$0.58960 100+：$0.56270 500+：$0.50876 1000+：$0.48872	RFQ	Datasheet	B59701	0805 (2012 Metric)	Tape & Reel (TR)	Active	680 Ohms	±50%	-40°C ~ 125°C	-	Surface Mount	-	-	0805
TFPT0603L1001FM SENSOR PTC 1KOHM 1% 0603 Vishay Dale	26,092	1+：$0.92000 5+：$0.81000 10+：$0.76900 25+：$0.71920 50+：$0.68580 100+：$0.65500 500+：$0.59326 1000+：$0.57032	RFQ	Datasheet	TFPT	0603 (1608 Metric)	Tape & Reel (TR)	Active	1 kOhms	±1%	-55°C ~ 125°C	75 mW	Surface Mount	-	-	0603
TFPT0805L1000FV SENSOR PTC 100OHM 1% 0805 Vishay Dale	4,702	1+：$1.29000 5+：$1.13800 10+：$1.08300 25+：$1.01560 50+：$0.96980 100+：$0.92810 500+：$0.84406	RFQ	Datasheet	TFPT	0805 (2012 Metric)	Tape & Reel (TR)	Active	100 Ohms	±1%	-55°C ~ 125°C	100 mW	Surface Mount	-	-	0805
TFPT0603L1001FV SENSOR PTC 1KOHM 1% 0603 Vishay Dale	32,596	1+：$1.39000 5+：$1.23000 10+：$1.17000 25+：$1.09760 50+：$1.04840 100+：$1.00330 500+：$0.91270	RFQ	Datasheet	TFPT	0603 (1608 Metric)	Tape & Reel (TR)	Active	1 kOhms	±1%	-55°C ~ 125°C	75 mW	Surface Mount	-	-	0603
TFPT1206L1002FV SENSOR PTC 10KOHM 1% 1206 Vishay Dale	30,385	1+：$1.32000 5+：$1.16800 10+：$1.11000 25+：$1.04160 50+：$0.99480 100+：$0.95210 500+：$0.86616	RFQ	Datasheet	TFPT	1206 (3216 Metric)	Tape & Reel (TR)	Active	10 kOhms	±1%	-55°C ~ 125°C	125 mW	Surface Mount	-	-	1206
B59052D1090A040 SENSOR PTC 100OHM RADIAL TDK	4,897	1+：$1.98000 5+：$1.75000 10+：$1.66800 25+：$1.56840 50+：$1.50080 100+：$1.43890 800+：$1.28251 1600+：$1.23884 5600+：$1.16888	RFQ	Datasheet	B59052	Bead with Terminal	Bulk	Active	100 Ohms	-	-	-	Through Hole	-	-	-
102PS1G SENSOR PTC 1KOHM 2% DO35 Littelfuse Inc.	5,348	1+：$2.45000 5+：$2.17400 10+：$2.07300 25+：$1.95280 50+：$1.87080 250+：$1.70584 500+：$1.64442 1000+：$1.58814 5000+：$1.47479	RFQ	Datasheet	PTC	Axial	Bulk	Active	1 kOhms	±2%	-50°C ~ 150°C	-	Through Hole	-	-	DO-35
B59100M1100A070 SENSOR PTC 100OHM TDK	4,535	1+：$4.57000 5+：$4.09400 10+：$3.91900 25+：$3.70880 50+：$3.56540 400+：$3.20300 800+：$3.10169 1200+：$3.04635	RFQ	Datasheet	B59100	Bead with Terminal	Bulk	Active	100 Ohms	-	90°C ~ 160°C	-	Free Hanging	-	-	-
STS110003CHIP SENSOR PTC 1KOHM 3% AXIAL Cantherm	9,666	1+：$3.90000 5+：$3.49000 10+：$3.33700 25+：$3.15440 50+：$3.03020 100+：$2.91610 500+：$2.68672 1000+：$2.60129	RFQ	Datasheet	STS1	Axial	Bulk	Active	-	±3%	-40°C ~ 170°C	10 mW	Through Hole	-	-	-
TMP6131DECR SENSOR PTC 10KOHM 1% X1SON Texas Instruments	7,118	-	RFQ	Datasheet	Commercial	0402 (1006 Metric)	Tape & Reel (TR)	Active	10 kOhms	±1%	-40°C ~ 125°C (TA)	-	Surface Mount	-	-	2-X1SON (1x0.6)
PRF15BB102RB6RC SENSOR PTC 1KOHM 50% 0402 Murata Electronics	4,275	-	RFQ	Datasheet	Posistor®	0402 (1005 Metric)	Tape & Reel (TR)	Active	1 kOhms	±50%	-40°C ~ 140°C	-	Surface Mount	-	-	0402 (1005 Metric)
TMP6431DECR SENSOR PTC 47KOHM 1% X1SON Texas Instruments	60,574	-	RFQ	Datasheet	-	0402 (1006 Metric)	Tape & Reel (TR)	Active	47 kOhms	±1%	-40°C ~ 125°C	-	Surface Mount	-	-	2-X1SON (1x0.6)
PRF18BG471QB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	12,826	-	RFQ	Datasheet	POSISTOR® PRF18/21	0603 (1608 Metric)	Tape & Reel (TR)	Active	470 Ohms	±50%	-20°C ~ 90°C	-	Surface Mount	-	-	0603 (1608 Metric)
PRF18BF471QB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	4,194	-	RFQ	Datasheet	POSISTOR® PRF18/21	0603 (1608 Metric)	Tape & Reel (TR)	Active	470 Ohms	±50%	-20°C ~ 100°C	-	Surface Mount	-	-	0603 (1608 Metric)
PRF18BE471QB5RB SENSOR PTC 470OHM 50% 0603 Murata Electronics	2,587	-	RFQ	Datasheet	POSISTOR® PRF18/21	0603 (1608 Metric)	Tape & Reel (TR)	Active	470 Ohms	±50%	-20°C ~ 110°C	-	Surface Mount	-	-	0603 (1608 Metric)
TMP6131QDECRQ1 SENSOR PTC 10KOHM 1% X1SON Texas Instruments	6,708	-	RFQ	Datasheet	-	0402 (1006 Metric)	Tape & Reel (TR)	Active	10 kOhms	±1%	-40°C ~ 125°C (TA)	-	Surface Mount	Automotive	AEC-Q100	2-X1SON (1x0.6)
TMP6331QDECRQ1 SENSOR PTC 100KOHM 1% X1SON Texas Instruments	19,840	-	RFQ	Datasheet	-	0402 (1006 Metric)	Tape & Reel (TR)	Active	100 kOhms	±1%	-40°C ~ 125°C (TA)	-	Surface Mount	Automotive	AEC-Q100	2-X1SON (1x0.6)

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FREQUENTLY ASKED QUESTIONS

PTC Thermistors FAQ

Common questions about selecting, comparing and sourcing PTC Thermistors components through Winsun (HK) Electronics.

What should I check when selecting PTC Thermistors components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific PTC Thermistors part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find PTC Thermistors parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for PTC Thermistors components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.