Thermistors – Mouser Japan

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Automotive Circuit Protection / Thermistors

Murata Electronics Automotive Circuit Protection and Thermistors include a wide lineup of characteristics for various electronic devices, including smartphones and wearable terminals, and automobile/automotive devices. Heat is generated by applied voltage and current, and the resistance changes along with the temperature. Murata thermistors function as a heating element and thermo-sensitive device and play an active role in various applications, such as temperature sensors, circuit protection, and temperature compensation.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Resistance	Mounting Style	Termination Style	Package / Case
PTC Thermistors 33 OHM 20% SMD 0402 PRG15BC330MM1RC Murata Electronics 1: ¥33.2 49,999On Order NRND	Mfr. Part # PRG15BC330MM1RC Mouser Part # 81-PRG15BC330MM1RC NRND	Murata Electronics	PTC Thermistors 33 OHM 20% SMD 0402 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	49,999On Order On Order Ship Dates Mfr. #: PRG15BC330MM1RC Stock: 0 On Order: 19,999 Expected 11/30/2026 30,000 Expected 12/3/2026 Factory Lead-Time: 12 Weeks	Cut Tape ¥33.2 ¥30.2 ¥25.1 ¥20.9 Reel ¥12.1 View ¥18.9 ¥17.8 ¥14.8 ¥11.6 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	PTC Thermistors	33 Ohms	PCB Mount	SMD/SMT	0402 (1005 metric)
PTC Thermistors PRG15BC470MM1RC Murata Electronics 1: ¥31.6 20,000On Order NRND	Mfr. Part # PRG15BC470MM1RC Mouser Part # 81-PRG15BC470MM1RC NRND	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	20,000On Order On Order Ship Dates Mfr. #: PRG15BC470MM1RC Stock: 0 On Order: 10,000 Expected 12/28/2026 10,000 Expected 12/31/2026 Factory Lead-Time: 12 Weeks	Cut Tape ¥31.6 ¥28.4 ¥23.6 ¥19.6 Reel ¥12 View ¥18.1 ¥16.8 ¥13.8 ¥11.5 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	PTC Thermistors	47 Ohms	PCB Mount	SMD/SMT	0402 (1005 metric)
PTC Thermistors PRF18BB471RB5RB Murata Electronics 1: ¥39.9 3,961Expected 12/11/2026	Mfr. Part # PRF18BB471RB5RB Mouser Part # 81-PRF18BB471RB5RB	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	3,961Expected 12/11/2026	Cut Tape ¥39.9 ¥36.4 ¥31.9 ¥30.2 Reel ¥21.6 View ¥26.1 ¥23.3 ¥19.4 ¥18.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors 470 OHM 50% SMD 0603 PRF18BD471QS5RB Murata Electronics 1: ¥39.9 12,000On Order	Mfr. Part # PRF18BD471QS5RB Mouser Part # 81-PRF18BD471QS5RB	Murata Electronics	PTC Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	12,000On Order On Order Ship Dates Mfr. #: PRF18BD471QS5RB Stock: 0 On Order: 4,000 Expected 11/17/2026 8,000 Expected 11/19/2026 Factory Lead-Time: 12 Weeks	Cut Tape ¥39.9 ¥36.4 ¥32.1 ¥30.4 Reel ¥21.8 View ¥27.1 ¥22.8 ¥21.1 MouseReel Available	Min.: 1 Mult.: 1 Max.: 12,000 : 4,000	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors PRF18BD471RS5RB Murata Electronics 1: ¥86.4 3,629Expected 12/11/2026	Mfr. Part # PRF18BD471RS5RB Mouser Part # 81-PRF18BD471RS5RB	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	3,629Expected 12/11/2026	¥86.4 ¥65.4 ¥56.5 ¥46.3 View ¥40.9 ¥34.7 ¥32.1 ¥31.7 ¥31.1	Min.: 1 Mult.: 1	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors 4.7 OHM 20% SMD 0402 PRG15BC4R7MM1RC Murata Electronics 1: ¥33.2 7,450Expected 12/3/2026 NRND	Mfr. Part # PRG15BC4R7MM1RC Mouser Part # 81-PRG15BC4R7MM1RC NRND	Murata Electronics	PTC Thermistors 4.7 OHM 20% SMD 0402 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	7,450Expected 12/3/2026	Cut Tape ¥33.2 ¥30.1 ¥25.1 ¥20.8 Reel ¥12.1 View ¥18.9 ¥17.8 ¥14.6 ¥11.6 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	PTC Thermistors	4.7 Ohms	PCB Mount	SMD/SMT	0402 (1005 metric)
PTC Thermistors PRG18BC150MM1RB Murata Electronics 1: ¥53.2 8,000Expected 12/3/2026 NRND	Mfr. Part # PRG18BC150MM1RB Mouser Part # 81-PRG18BC150MM1RB NRND	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	8,000Expected 12/3/2026	Cut Tape ¥53.2 ¥50.2 ¥44.2 ¥42.2 Reel ¥32.9 View ¥37.7 ¥36 ¥30.4 ¥29.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PTC Thermistors	15 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors 1 OHM 20% SMD 0603 PRG18BC1R0MM1RB Murata Electronics 1: ¥66.4 4,000Expected 1/14/2027 NRND	Mfr. Part # PRG18BC1R0MM1RB Mouser Part # 81-PRG18BC1R0MM1RB NRND	Murata Electronics	PTC Thermistors 1 OHM 20% SMD 0603 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	4,000Expected 1/14/2027	Cut Tape ¥66.4 ¥60 ¥49.8 ¥41.4 Reel ¥32.7 View ¥38.2 ¥34.2 ¥31.2 ¥29.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PTC Thermistors	1 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
NTC Thermistors NCU18WB473D6SRB Murata Electronics 1: ¥66.4 4,000Expected 1/25/2027	Mfr. Part # NCU18WB473D6SRB Mouser Part # 81-NCU18WB473D6SRB	Murata Electronics	NTC Thermistors Learn More about Murata Electronics murata ncu auto thermistors	Datasheet	4,000Expected 1/25/2027	Cut Tape ¥66.4 ¥62.5 ¥55.1 ¥52.5 Reel ¥36.9 View ¥47 ¥39.2 ¥36.5 ¥34.4	Min.: 1 Mult.: 1 : 4,000	NTC Thermistors	47 kOhms	PCB Mount	SMD/SMT	0603 (1608 metric)
NTC Thermistors NCU18WF104J6SRB Murata Electronics 1: ¥23.3 8,000On Order	Mfr. Part # NCU18WF104J6SRB Mouser Part # 81-NCU18WF104J6SRB	Murata Electronics	NTC Thermistors Learn More about Murata Electronics murata ncu auto thermistors	Datasheet	8,000On Order On Order Ship Dates Mfr. #: NCU18WF104J6SRB Stock: 0 On Order: 4,000 Expected 9/2/2027 4,000 Expected 9/6/2027 Factory Lead-Time: 22 Weeks	Cut Tape ¥23.3 ¥21.3 ¥18.6 ¥17.4 Reel ¥12.6 View ¥15.3 ¥13.3 ¥11.3 ¥11	Min.: 1 Mult.: 1 : 4,000	NTC Thermistors	100 kOhms	PCB Mount	SMD/SMT	0603 (1608 metric)
NTC Thermistors NCU18WB473E6SRB Murata Electronics 1: ¥29.9 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # NCU18WB473E6SRB Mouser Part # 81-NCU18WB473E6SRB	Murata Electronics	NTC Thermistors Learn More about Murata Electronics murata ncu auto thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape ¥29.9 ¥24.7 ¥21.8 ¥17.4 Reel ¥11.5 View ¥15.3 ¥11.6 ¥11.1	Min.: 1 Mult.: 1 : 4,000	NTC Thermistors	47 kOhms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors 470 OHM 50% SMD 0603 PRF18AR471QS5RB Murata Electronics 1: ¥54.8 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRF18AR471QS5RB Mouser Part # 81-PRF18AR471QS5RB	Murata Electronics	PTC Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	¥54.8 ¥46.3 ¥40.9 ¥32.7 View ¥27.1 ¥21.9 ¥20.8 ¥20.6 ¥20.4	Min.: 1 Mult.: 1	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors 470 OHM 50% SMD 0603 PRF18BC471RS5RB Murata Electronics 1: ¥86.4 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRF18BC471RS5RB Mouser Part # 81-PRF18BC471RS5RB	Murata Electronics	PTC Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	¥86.4 ¥65.4 ¥56.5 ¥46.3 View ¥40.9 ¥34.2 ¥32.7 ¥32.4 ¥31.9	Min.: 1 Mult.: 1	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors PRF18BE471RS5RB Murata Electronics 1: ¥86.4 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRF18BE471RS5RB Mouser Part # 81-PRF18BE471RS5RB	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	¥86.4 ¥65.4 ¥56.5 ¥46.3 View ¥40.9 ¥36.4 ¥33.4 ¥32.6 ¥31.9	Min.: 1 Mult.: 1	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors PRF18BF471QS5RB Murata Electronics 1: ¥54.8 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRF18BF471QS5RB Mouser Part # 81-PRF18BF471QS5RB	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape ¥54.8 ¥46.3 ¥40.9 ¥32.7 View Reel ¥20.4 ¥27.1 ¥20.6 ¥20.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors PRF18BG471QS5RB Murata Electronics 1: ¥54.8 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRF18BG471QS5RB Mouser Part # 81-PRF18BG471QS5RB	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	¥54.8 ¥46.3 ¥40.9 ¥32.7 View ¥27.1 ¥23.3 ¥21.6 ¥20.9 ¥20.6	Min.: 1 Mult.: 1	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors PRF18BG471RS5RB Murata Electronics 1: ¥86.4 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRF18BG471RS5RB Mouser Part # 81-PRF18BG471RS5RB	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	¥86.4 ¥65.4 ¥56.5 ¥46.3 View ¥40.9 ¥35.7 ¥33.6 ¥32.7 ¥32.2	Min.: 1 Mult.: 1	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors 470 OHM 50% SMD 0805 PRF21AR471QB5RA Murata Electronics 1: ¥58.1 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRF21AR471QB5RA Mouser Part # 81-PRF21AR471QB5RA	Murata Electronics	PTC Thermistors 470 OHM 50% SMD 0805 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape ¥58.1 ¥54.6 ¥48.2 ¥45.8 Reel ¥33.7 View ¥40.9 ¥35.2 ¥32.6 ¥32.1 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0805 (2012 metric)
PTC Thermistors PRF21AS471QB5RA Murata Electronics 4,000: ¥33.4 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRF21AS471QB5RA Mouser Part # 81-PRF21AS471QB5RA	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥33.4 ¥32.6 ¥31.9	Min.: 4,000 Mult.: 4,000 : 4,000	PTC Thermistors	470 Ohms	PCB Mount	SMD/SMT	0805 (2012 metric)
PTC Thermistors PRG18BB221MS1RB Murata Electronics 4,000: ¥40.7 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRG18BB221MS1RB Mouser Part # 81-PRG18BB221MS1RB	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥40.7	Min.: 4,000 Mult.: 4,000 : 4,000	PTC Thermistors	220 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors PRG18BB470MS1RB Murata Electronics 4,000: ¥38.7 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRG18BB470MS1RB Mouser Part # 81-PRG18BB470MS1RB	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	¥38.7	Min.: 4,000 Mult.: 4,000	PTC Thermistors	47 Ohms	PCB Mount	SMD/SMT	0603 (1608 metric)
PTC Thermistors PRG21AR220MB1RK Murata Electronics 1: ¥108 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # PRG21AR220MB1RK Mouser Part # 81-PRG21AR220MB1RK	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape ¥108 ¥81.9 ¥70.4 ¥68.1 View Reel ¥40.7 ¥58 ¥50.3 ¥46.7 ¥40.7 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PTC Thermistors	22 Ohms	PCB Mount	SMD/SMT	0805 (2012 metric)
PTC Thermistors PRG15BC220MM1RC Murata Electronics 1: ¥36.5 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part # PRG15BC220MM1RC Mouser Part # 81-PRG15BC220MM1RC NRND	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape ¥36.5 ¥30.6 ¥26.9 ¥21.6 View Reel ¥13.1 ¥18.8 ¥17.9 ¥16.1 ¥13.1 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	PTC Thermistors	22 Ohms	PCB Mount	SMD/SMT	0402 (1005 metric)
PTC Thermistors PRG15BC2R2MM1RC Murata Electronics 10,000: ¥13.5 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part # PRG15BC2R2MM1RC Mouser Part # 81-PRG15BC2R2MM1RC NRND	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥13.5	Min.: 10,000 Mult.: 10,000 : 10,000	PTC Thermistors	2.2 Ohms	PCB Mount	SMD/SMT	0402 (1005 metric)
PTC Thermistors PRG21BC0R6MM1RK Murata Electronics 3,000: ¥49.7 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part # PRG21BC0R6MM1RK Mouser Part # 81-PRG21BC0R6MM1RK NRND	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥49.7	Min.: 3,000 Mult.: 3,000 : 3,000	PTC Thermistors	600 mOhms	PCB Mount	SMD/SMT	0805 (2012 metric)