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Superior SMD PTC Thermistors

TDK Superior SMD PTC thermistors for limit temperature measurement are available in case sizes 0805, 0603, and 0402. Compared to the standard series, TDK Superior thermistors employ a more homogeneous ceramic material that enables them to exhibit excellent performance in reliability tests and be reflow and wave-soldered at temperatures of up to +280°C. These TDK SMD PTC thermistors are qualified based on AEC-Q200 Rev-C and satisfy the rigorous requirements for use in automotive applications involving frequent and rapid temperature changes. The B59721A in case size 0805 has response temperatures from +70° to +130°C in steps of 10K and a 680Ω rated resistance. The response temperatures of the B59641A (0603) and B59421A (0402) are from +75° to +145°C and +75° to +135°C respectively, also in steps of 10K and feature a rated resistance of 470Ω.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor B59641A0085A062 TDK 1: CHF 0.306 139’083In Stock	Mfr. Part No. B59641A0085A062 Mouser Part No 871-B59641A0085A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	139’083In Stock	Cut Tape CHF 0.306 CHF 0.279 CHF 0.241 CHF 0.198 Reel CHF 0.155 View CHF 0.175 CHF 0.168 CHF 0.146 CHF 0.14 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor B59601A0085A062 TDK 1: CHF 0.418 6’569In Stock	Mfr. Part No. B59601A0085A062 Mouser Part No 871-B59601A0085A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	6’569In Stock	Cut Tape CHF 0.418 CHF 0.393 CHF 0.367 CHF 0.348 View Reel CHF 0.23 CHF 0.332 CHF 0.30 CHF 0.254 CHF 0.23 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 95C Temperature Sensor B59601A0095A062 TDK 1: CHF 0.418 6’174In Stock	Mfr. Part No. B59601A0095A062 Mouser Part No 871-B59601A0095A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 95C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	6’174In Stock	Cut Tape CHF 0.418 CHF 0.393 CHF 0.367 CHF 0.348 View Reel CHF 0.238 CHF 0.332 CHF 0.30 CHF 0.284 CHF 0.238 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 135C Temperature Sensor B59421A0135A062 TDK 1: CHF 0.362 9’438In Stock	Mfr. Part No. B59421A0135A062 Mouser Part No 871-B59421A0135A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 135C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	9’438In Stock	Cut Tape CHF 0.362 CHF 0.338 CHF 0.314 CHF 0.30 View Reel CHF 0.202 CHF 0.285 CHF 0.256 CHF 0.24 CHF 0.202 CHF 0.202 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 110C Temperature Sensor B59701A0110A062 TDK 1: CHF 0.563 6’520In Stock	Mfr. Part No. B59701A0110A062 Mouser Part No 871-B59701A0110A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 110C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	6’520In Stock	Cut Tape CHF 0.563 CHF 0.533 CHF 0.498 CHF 0.475 View Reel CHF 0.299 CHF 0.453 CHF 0.403 CHF 0.319 CHF 0.299 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors T=5K 110deg C B59008C0110A040 TDK 1: CHF 1.17 8’726In Stock	Mfr. Part No. B59008C0110A040 Mouser Part No 871-B59008C110A40	TDK	PTC (Positive Temperature Coefficient) Thermistors T=5K 110deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	8’726In Stock	CHF 1.17 CHF 1.12 CHF 1.05 CHF 1.01 View CHF 0.955 CHF 0.877 CHF 0.785 CHF 0.769	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 90C Temperature Sensor B59701A0090A062 TDK 1: CHF 0.563 4’294In Stock	Mfr. Part No. B59701A0090A062 Mouser Part No 871-B59701A0090A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 90C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	4’294In Stock	Cut Tape CHF 0.563 CHF 0.533 CHF 0.498 CHF 0.475 View Reel CHF 0.347 CHF 0.453 CHF 0.403 CHF 0.379 CHF 0.347 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 115C Temperature Sensor B59421A0115A062 TDK 1: CHF 0.362 14’471In Stock	Mfr. Part No. B59421A0115A062 Mouser Part No 871-B59421A0115A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 115C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	14’471In Stock	Cut Tape CHF 0.362 CHF 0.338 CHF 0.315 CHF 0.30 View Reel CHF 0.198 CHF 0.285 CHF 0.256 CHF 0.212 CHF 0.198 CHF 0.198 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 70C Temperature Sensor B59701A0070A062 TDK 1: CHF 0.563 5’960In Stock	Mfr. Part No. B59701A0070A062 Mouser Part No 871-B59701A0070A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 70C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	5’960In Stock	Cut Tape CHF 0.563 CHF 0.533 CHF 0.498 CHF 0.475 View Reel CHF 0.347 CHF 0.453 CHF 0.403 CHF 0.379 CHF 0.347 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors T=5K 160deg C B59008C0160A040 TDK 1: CHF 1.75 222In Stock	Mfr. Part No. B59008C0160A040 Mouser Part No 871-B59008C160A40	TDK	PTC (Positive Temperature Coefficient) Thermistors T=5K 160deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	222In Stock	CHF 1.75 CHF 1.36 CHF 1.13 CHF 1.11 View CHF 1.01 CHF 0.885 CHF 0.791 CHF 0.765	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors T=5K 150deg C B59008C0150A040 TDK 1: CHF 1.17 854In Stock	Mfr. Part No. B59008C0150A040 Mouser Part No 871-B59008C150A40	TDK	PTC (Positive Temperature Coefficient) Thermistors T=5K 150deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	854In Stock	CHF 1.17 CHF 1.12 CHF 1.05 CHF 1.01 View CHF 0.955 CHF 0.877 CHF 0.813 CHF 0.779	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 75C Temperature Sensor B59641A0075A062 TDK 1: CHF 0.306 95’183In Stock	Mfr. Part No. B59641A0075A062 Mouser Part No 871-B59641A75A62	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 75C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	95’183In Stock	Cut Tape CHF 0.306 CHF 0.284 CHF 0.251 CHF 0.229 Reel CHF 0.184 View CHF 0.204 CHF 0.193 CHF 0.176 CHF 0.173 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 95C Temperature Sensor B59641A95A62 TDK 1: CHF 0.306 206’635In Stock	Mfr. Part No. B59641A95A62 Mouser Part No 871-B59641A95A62	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 95C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	206’635In Stock	Cut Tape CHF 0.306 CHF 0.284 CHF 0.247 CHF 0.204 Reel CHF 0.155 View CHF 0.181 CHF 0.17 CHF 0.15 CHF 0.14 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors T=5K 120deg C B59008C0120A040 TDK 1: CHF 1.17 2’110In Stock	Mfr. Part No. B59008C0120A040 Mouser Part No 871-B59008C120A40	TDK	PTC (Positive Temperature Coefficient) Thermistors T=5K 120deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	2’110In Stock	CHF 1.17 CHF 1.12 CHF 1.05 CHF 1.01 View CHF 0.955 CHF 0.877 CHF 0.829 CHF 0.821	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors T=5K 70deg C B59008C0070A040 TDK 1: CHF 1.17 2’889In Stock	Mfr. Part No. B59008C0070A040 Mouser Part No 871-B59008C70A40	TDK	PTC (Positive Temperature Coefficient) Thermistors T=5K 70deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	2’889In Stock	CHF 1.17 CHF 1.12 CHF 1.05 CHF 1.01 View CHF 0.955 CHF 0.877 CHF 0.829 CHF 0.821	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 105C Temperature Sensor B59421A0105A062 TDK 1: CHF 0.362 13’010In Stock	Mfr. Part No. B59421A0105A062 Mouser Part No 871-B59421A0105A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 105C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	13’010In Stock	Cut Tape CHF 0.362 CHF 0.338 CHF 0.315 CHF 0.30 View Reel CHF 0.215 CHF 0.284 CHF 0.251 CHF 0.236 CHF 0.215 CHF 0.215 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 125C Temperature Sensor B59421A0125A062 TDK 1: CHF 0.362 12’860In Stock	Mfr. Part No. B59421A0125A062 Mouser Part No 871-B59421A0125A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 125C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	12’860In Stock	Cut Tape CHF 0.362 CHF 0.338 CHF 0.315 CHF 0.30 View Reel CHF 0.222 CHF 0.285 CHF 0.256 CHF 0.242 CHF 0.222 CHF 0.222 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 105C Temperature Sensor B59601A0105A062 TDK 1: CHF 0.418 6’436In Stock	Mfr. Part No. B59601A0105A062 Mouser Part No 871-B59601A0105A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 105C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	6’436In Stock	Cut Tape CHF 0.418 CHF 0.393 CHF 0.367 CHF 0.348 View Reel CHF 0.242 CHF 0.332 CHF 0.30 CHF 0.284 CHF 0.242 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 115C Temperature Sensor B59641A0115A062 TDK 1: CHF 0.306 10’305In Stock	Mfr. Part No. B59641A0115A062 Mouser Part No 871-B59641A0115A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 115C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	10’305In Stock	Cut Tape CHF 0.306 CHF 0.288 CHF 0.256 CHF 0.242 Reel CHF 0.191 View CHF 0.215 CHF 0.204 CHF 0.189 CHF 0.187 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 100C Temperature Sensor B59701A0100A062 TDK 1: CHF 0.563 7’542In Stock	Mfr. Part No. B59701A0100A062 Mouser Part No 871-B59701A0100A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 100C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	7’542In Stock	Cut Tape CHF 0.563 CHF 0.533 CHF 0.498 CHF 0.475 View Reel CHF 0.355 CHF 0.453 CHF 0.403 CHF 0.386 CHF 0.355 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 70C Temperature Sensor B59721A0070A062 TDK 1: CHF 0.354 40’686In Stock	Mfr. Part No. B59721A0070A062 Mouser Part No 871-B59721A0070A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 70C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	40’686In Stock	Cut Tape CHF 0.354 CHF 0.335 CHF 0.313 CHF 0.297 View Reel CHF 0.205 CHF 0.284 CHF 0.255 CHF 0.241 CHF 0.205 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 80C Temperature Sensor B59721A0080A062 TDK 1: CHF 0.354 17’567In Stock	Mfr. Part No. B59721A0080A062 Mouser Part No 871-B59721A0080A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 80C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	17’567In Stock	Cut Tape CHF 0.354 CHF 0.335 CHF 0.313 CHF 0.297 View Reel CHF 0.22 CHF 0.284 CHF 0.255 CHF 0.241 CHF 0.22 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 90C Temperature Sensor B59721A0090A062 TDK 1: CHF 0.354 7’631In Stock	Mfr. Part No. B59721A0090A062 Mouser Part No 871-B59721A0090A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 90C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	7’631In Stock	Cut Tape CHF 0.354 CHF 0.335 CHF 0.313 CHF 0.297 View Reel CHF 0.216 CHF 0.284 CHF 0.255 CHF 0.241 CHF 0.216 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 120C Temperature Sensor B59721A0120A062 TDK 1: CHF 0.354 6’465In Stock	Mfr. Part No. B59721A0120A062 Mouser Part No 871-B59721A0120A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 120C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	6’465In Stock	Cut Tape CHF 0.354 CHF 0.335 CHF 0.313 CHF 0.297 View Reel CHF 0.205 CHF 0.284 CHF 0.255 CHF 0.241 CHF 0.205 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 100C Temperature Sensor B59721A100A62 TDK 1: CHF 0.354 20’000In Stock	Mfr. Part No. B59721A100A62 Mouser Part No 871-B59721A100A62	TDK	PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 100C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	20’000In Stock	Cut Tape CHF 0.354 CHF 0.335 CHF 0.313 CHF 0.297 View Reel CHF 0.22 CHF 0.284 CHF 0.255 CHF 0.241 CHF 0.22 MouseReel Available	Min.: 1 Mult.: 1 : 4’000

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Superior SMD PTC Thermistors

Types of Circuit Protection