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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 (PEN) Filter the results in the table by unit price based on your quantity.	Qty.
PTC Thermistors 0603 470ohms 85C Temperature Sensor B59641A0085A062 TDK 1: S/1.48 147,083In Stock	Mfr. Part # B59641A0085A062 Mouser Part # 871-B59641A0085A062	TDK	PTC Thermistors 0603 470ohms 85C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	147,083In Stock	Cut Tape S/1.48 S/1.35 S/1.16 S/0.958 Reel S/0.732 View S/0.845 S/0.821 S/0.705 S/0.677 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0805 680ohms 90C Temperature Sensor B59701A0090A062 TDK 1: S/2.72 4,294In Stock	Mfr. Part # B59701A0090A062 Mouser Part # 871-B59701A0090A062	TDK	PTC Thermistors 0805 680ohms 90C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	4,294In Stock	Cut Tape S/2.72 S/2.58 S/2.41 S/2.30 View Reel S/1.68 S/2.19 S/1.95 S/1.83 S/1.68 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0402 470ohms 115C Temperature Sensor B59421A0115A062 TDK 1: S/1.75 14,471In Stock	Mfr. Part # B59421A0115A062 Mouser Part # 871-B59421A0115A062	TDK	PTC Thermistors 0402 470ohms 115C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	14,471In Stock	Cut Tape S/1.75 S/1.63 S/1.53 S/1.45 View Reel S/0.958 S/1.38 S/1.24 S/1.02 S/0.958 S/0.958 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
PTC Thermistors 0805 680ohms 70C Temperature Sensor B59701A0070A062 TDK 1: S/2.72 5,960In Stock	Mfr. Part # B59701A0070A062 Mouser Part # 871-B59701A0070A062	TDK	PTC Thermistors 0805 680ohms 70C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	5,960In Stock	Cut Tape S/2.72 S/2.58 S/2.41 S/2.30 View Reel S/1.68 S/2.19 S/1.95 S/1.83 S/1.68 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0603 470ohms 85C Temperature Sensor B59601A0085A062 TDK 1: S/2.02 6,629In Stock	Mfr. Part # B59601A0085A062 Mouser Part # 871-B59601A0085A062	TDK	PTC Thermistors 0603 470ohms 85C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	6,629In Stock	Cut Tape S/2.02 S/1.90 S/1.77 S/1.69 View Reel S/1.11 S/1.61 S/1.45 S/1.23 S/1.11 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0603 470ohms 95C Temperature Sensor B59601A0095A062 TDK 1: S/2.02 6,174In Stock	Mfr. Part # B59601A0095A062 Mouser Part # 871-B59601A0095A062	TDK	PTC Thermistors 0603 470ohms 95C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	6,174In Stock	Cut Tape S/2.02 S/1.90 S/1.77 S/1.69 View Reel S/1.12 S/1.61 S/1.60 S/1.45 S/1.37 S/1.12 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0402 470ohms 135C Temperature Sensor B59421A0135A062 TDK 1: S/1.75 9,438In Stock	Mfr. Part # B59421A0135A062 Mouser Part # 871-B59421A0135A062	TDK	PTC Thermistors 0402 470ohms 135C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	9,438In Stock	Cut Tape S/1.75 S/1.63 S/1.53 S/1.45 View Reel S/0.996 S/1.38 S/1.24 S/1.16 S/0.996 S/0.996 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
PTC Thermistors 0805 680ohms 110C Temperature Sensor B59701A0110A062 TDK 1: S/2.72 6,520In Stock	Mfr. Part # B59701A0110A062 Mouser Part # 871-B59701A0110A062	TDK	PTC Thermistors 0805 680ohms 110C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	6,520In Stock	Cut Tape S/2.72 S/2.58 S/2.41 S/2.30 View Reel S/1.44 S/2.19 S/1.95 S/1.54 S/1.44 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors T=5K 160deg C B59008C0160A040 TDK 1: S/8.49 222In Stock	Mfr. Part # B59008C0160A040 Mouser Part # 871-B59008C160A40	TDK	PTC Thermistors T=5K 160deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	222In Stock	S/8.49 S/6.58 S/5.49 S/5.37 View S/4.87 S/4.28 S/3.72 S/3.64	Min.: 1 Mult.: 1
PTC Thermistors T=5K 150deg C B59008C0150A040 TDK 1: S/5.64 854In Stock	Mfr. Part # B59008C0150A040 Mouser Part # 871-B59008C150A40	TDK	PTC Thermistors T=5K 150deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	854In Stock	S/5.64 S/5.41 S/5.06 S/4.87 View S/4.63 S/4.24 S/3.89 S/3.76	Min.: 1 Mult.: 1
PTC Thermistors 0603 470ohms 75C Temperature Sensor B59641A0075A062 TDK 1: S/1.48 95,193In Stock	Mfr. Part # B59641A0075A062 Mouser Part # 871-B59641A75A62	TDK	PTC Thermistors 0603 470ohms 75C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	95,193In Stock	Cut Tape S/1.48 S/1.37 S/1.19 S/1.05 Reel S/0.868 View S/0.938 S/0.872 S/0.856 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0603 470ohms 95C Temperature Sensor B59641A95A62 TDK 1: S/1.48 208,815In Stock	Mfr. Part # B59641A95A62 Mouser Part # 871-B59641A95A62	TDK	PTC Thermistors 0603 470ohms 95C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	208,815In Stock	Cut Tape S/1.48 S/1.37 S/1.19 S/0.985 Reel S/0.751 View S/0.872 S/0.825 S/0.724 S/0.677 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors T=5K 110deg C B59008C0110A040 TDK 1: S/5.64 8,726In Stock	Mfr. Part # B59008C0110A040 Mouser Part # 871-B59008C110A40	TDK	PTC Thermistors T=5K 110deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	8,726In Stock	S/5.64 S/5.41 S/5.06 S/4.87 View S/4.63 S/4.24 S/4.16 S/4.01	Min.: 1 Mult.: 1
PTC Thermistors T=5K 120deg C B59008C0120A040 TDK 1: S/5.64 2,110In Stock	Mfr. Part # B59008C0120A040 Mouser Part # 871-B59008C120A40	TDK	PTC Thermistors T=5K 120deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	2,110In Stock	S/5.64 S/5.41 S/5.06 S/4.87 View S/4.63 S/4.24 S/4.01 S/3.97	Min.: 1 Mult.: 1
PTC Thermistors T=5K 70deg C B59008C0070A040 TDK 1: S/5.64 2,889In Stock	Mfr. Part # B59008C0070A040 Mouser Part # 871-B59008C70A40	TDK	PTC Thermistors T=5K 70deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	2,889In Stock	S/5.64 S/5.41 S/5.06 S/4.87 View S/4.63 S/4.24 S/4.01 S/3.76	Min.: 1 Mult.: 1
PTC Thermistors 0402 470ohms 105C Temperature Sensor B59421A0105A062 TDK 1: S/1.75 13,010In Stock	Mfr. Part # B59421A0105A062 Mouser Part # 871-B59421A0105A062	TDK	PTC Thermistors 0402 470ohms 105C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	13,010In Stock	Cut Tape S/1.75 S/1.63 S/1.53 S/1.45 View Reel S/1.04 S/1.37 S/1.21 S/1.14 S/1.04 S/1.04 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
PTC Thermistors 0402 470ohms 125C Temperature Sensor B59421A0125A062 TDK 1: S/1.75 13,160In Stock	Mfr. Part # B59421A0125A062 Mouser Part # 871-B59421A0125A062	TDK	PTC Thermistors 0402 470ohms 125C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	13,160In Stock	Cut Tape S/1.75 S/1.63 S/1.53 S/1.45 View Reel S/1.07 S/1.38 S/1.24 S/1.17 S/1.07 S/1.07 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
PTC Thermistors 0603 470ohms 105C Temperature Sensor B59601A0105A062 TDK 1: S/2.02 6,436In Stock	Mfr. Part # B59601A0105A062 Mouser Part # 871-B59601A0105A062	TDK	PTC Thermistors 0603 470ohms 105C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	6,436In Stock	Cut Tape S/2.02 S/1.90 S/1.77 S/1.69 View Reel S/1.17 S/1.61 S/1.45 S/1.37 S/1.17 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0603 470ohms 115C Temperature Sensor B59601A115A62 TDK 1: S/2.02 5,475In Stock	Mfr. Part # B59601A115A62 Mouser Part # 871-B59601A115A62	TDK	PTC Thermistors 0603 470ohms 115C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	5,475In Stock	Cut Tape S/2.02 S/1.90 S/1.77 S/1.69 View Reel S/1.17 S/1.61 S/1.45 S/1.37 S/1.17	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0603 470ohms 115C Temperature Sensor B59641A0115A062 TDK 1: S/1.48 10,355In Stock	Mfr. Part # B59641A0115A062 Mouser Part # 871-B59641A0115A062	TDK	PTC Thermistors 0603 470ohms 115C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	10,355In Stock	Cut Tape S/1.48 S/1.39 S/1.23 S/1.17 Reel S/0.919 View S/1.04 S/0.985 S/0.884 S/0.802 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0805 680ohms 100C Temperature Sensor B59701A0100A062 TDK 1: S/2.72 7,542In Stock	Mfr. Part # B59701A0100A062 Mouser Part # 871-B59701A0100A062	TDK	PTC Thermistors 0805 680ohms 100C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	7,542In Stock	Cut Tape S/2.72 S/2.58 S/2.41 S/2.30 View Reel S/1.72 S/2.19 S/1.95 S/1.86 S/1.72 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0805 680ohms 70C Temperature Sensor B59721A0070A062 TDK 1: S/1.71 22,746In Stock 24,000Expected 11/9/2026	Mfr. Part # B59721A0070A062 Mouser Part # 871-B59721A0070A062	TDK	PTC Thermistors 0805 680ohms 70C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	22,746In Stock 24,000Expected 11/9/2026	Cut Tape S/1.71 S/1.62 S/1.51 S/1.44 View Reel S/0.993 S/1.37 S/1.23 S/1.16 S/0.993 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0805 680ohms 80C Temperature Sensor B59721A0080A062 TDK 1: S/1.71 17,597In Stock	Mfr. Part # B59721A0080A062 Mouser Part # 871-B59721A0080A062	TDK	PTC Thermistors 0805 680ohms 80C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	17,597In Stock	Cut Tape S/1.71 S/1.62 S/1.51 S/1.44 View Reel S/1.06 S/1.37 S/1.23 S/1.16 S/1.06 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0805 680ohms 90C Temperature Sensor B59721A0090A062 TDK 1: S/1.71 7,631In Stock	Mfr. Part # B59721A0090A062 Mouser Part # 871-B59721A0090A062	TDK	PTC Thermistors 0805 680ohms 90C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	7,631In Stock	Cut Tape S/1.71 S/1.62 S/1.51 S/1.44 View Reel S/1.06 S/1.37 S/1.23 S/1.16 S/1.06 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0805 680ohms 120C Temperature Sensor B59721A0120A062 TDK 1: S/1.71 6,465In Stock	Mfr. Part # B59721A0120A062 Mouser Part # 871-B59721A0120A062	TDK	PTC Thermistors 0805 680ohms 120C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	6,465In Stock	Cut Tape S/1.71 S/1.62 S/1.51 S/1.44 View Reel S/0.993 S/1.37 S/1.23 S/1.16 S/0.993 MouseReel Available	Min.: 1 Mult.: 1 : 4,000

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