Circuit Protection – Mouser Japan

.hide-partial { max-height: none; } .show-more { display: none; }

Varistors & Thermistors

TDK offers various types of varistors and thermistors that provide voltage and noise suppression as well as temperature measurement and compensation in automotive applications.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 44

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Varistors 20V 1200A 470000pF B72547E3200K000 TDK 1: ¥855.4 4,805In Stock 6,000Expected 12/1/2026	Mfr. Part # B72547E3200K000 Mouser Part # 871-B72547E3200K000	TDK	Varistors 20V 1200A 470000pF Learn More about TDK automotive shcvs	Datasheet	4,805In Stock 6,000Expected 12/1/2026	¥855.4 ¥551.5 ¥495 ¥428.5 View ¥406.9 ¥370.4 ¥313.9 ¥310.6	Min.: 1 Mult.: 1
NTC Thermistors 0603 100K 5% B-4480 NTC B57371V2104J060 TDK 1: ¥46.5 26,145In Stock	Mfr. Part # B57371V2104J060 Mouser Part # 871-B57371V2104J060	TDK	NTC Thermistors 0603 100K 5% B-4480 NTC Learn More about TDK b573xv2 ntc thermistors	Datasheet	26,145In Stock	Cut Tape ¥46.5 ¥42.5 ¥37.5 ¥35.2 Reel ¥25.6 View ¥31.9 ¥27.4 ¥24.9 ¥24.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Varistors 510VAC 10% 14mm StandarD B72214S0511K331 TDK 1: ¥313.9 266In Stock	Mfr. Part # B72214S0511K331 Mouser Part # 871-B72214S0511K331	TDK	Varistors 510VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	266In Stock	Cut Tape ¥313.9 ¥192.7 ¥125.2 ¥99.2 Reel ¥77.6 View ¥85.4 ¥73.6 ¥71.4 ¥70.4	Min.: 1 Mult.: 1 : 3,000
NTC Thermistors 0805 10K 5% B-4480 NTC B57452V5103J062 TDK 1: ¥103 2,311In Stock 3,000Expected 11/9/2026	Mfr. Part # B57452V5103J062 Mouser Part # 871-B57452V5103J062	TDK	NTC Thermistors 0805 10K 5% B-4480 NTC Learn More about TDK b574xv5 ntc thermistors	Datasheet	2,311In Stock 3,000Expected 11/9/2026	Cut Tape ¥103 ¥79.9 ¥68.8 ¥56.5 Reel ¥42.5 View ¥49.2 ¥46.8 ¥41 ¥39.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC Thermistors 0402 10K 5% B-4000 NTC AEC-Q200 B57251V5103J060 TDK 1: ¥24.9 16,943In Stock	Mfr. Part # B57251V5103J060 Mouser Part # 871-B57251V5103J060	TDK	NTC Thermistors 0402 10K 5% B-4000 NTC AEC-Q200 Learn More about TDK b572xv5 ntc thermistors	Datasheet	16,943In Stock	Cut Tape ¥24.9 ¥22.4 ¥19.6 ¥18.1 Reel ¥12.3 View ¥16.3 ¥15.4 ¥14 ¥12 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Varistors CeraDiode , Max. working voltage=36V DC B72590D0360B060 TDK 1: ¥31.6 17,677In Stock	Mfr. Part # B72590D0360B060 Mouser Part # 871-B72590D0360B060	TDK	Varistors CeraDiode , Max. working voltage=36V DC Learn More about TDK epcosvaristors	Datasheet	17,677In Stock	Cut Tape ¥31.6 ¥18.8 ¥14.6 ¥13.8 Reel ¥11.3 View ¥13.1 ¥12.5 ¥12 ¥11.1	Min.: 1 Mult.: 1 : 10,000
NTC Thermistors 0402 22K 5% B-4575 NTC B57261V2223J060 TDK 1: ¥18.3 6,149In Stock	Mfr. Part # B57261V2223J060 Mouser Part # 871-B57261V2223J060	TDK	NTC Thermistors 0402 22K 5% B-4575 NTC Learn More about TDK b572xv2 ntc thermistors	Datasheet	6,149In Stock	Cut Tape ¥18.3 ¥14.6 ¥14.1 ¥13.3 View Reel ¥7.3 ¥12.6 ¥12.1 ¥8 ¥7.3 ¥7.3 MouseReel Available	Min.: 1 Mult.: 1 : 50,000
Industrial Surge Protectors 550V 25kA 10% 4pin 30mm B72230M0551M401 TDK 1: ¥2,175.9 346In Stock	Mfr. Part # B72230M0551M401 Mouser Part # 871-B72230M0551M401	TDK	Industrial Surge Protectors 550V 25kA 10% 4pin 30mm Learn More about TDK mt30 thermofuse varistors	Datasheet	346In Stock	¥2,175.9 ¥1,607.8 ¥1,558 ¥1,460 View ¥1,305.5 ¥1,282.3	Min.: 1 Mult.: 1
Varistors 14V 1200A 5800mJ B72547L3140S200 TDK 1: ¥820.5 898In Stock Factory Special Order	Mfr. Part # B72547L3140S200 Mouser Part # 871-B72547L3140S200 Factory Special Order	TDK	Varistors 14V 1200A 5800mJ Learn More about TDK automotive shcvs	Datasheet	898In Stock	Cut Tape ¥820.5 ¥528.2 ¥475 ¥411.9 Reel ¥305.6 View ¥390.3 ¥350.5 ¥297.3	Min.: 1 Mult.: 1 : 1,000
Varistors 20V 200A 1000000pF B72527G3200K000 TDK 1: ¥481.7 2,937In Stock Factory Special Order	Mfr. Part # B72527G3200K000 Mouser Part # 871-B72527G3200K000 Factory Special Order	TDK	Varistors 20V 200A 1000000pF Learn More about TDK automotive shcvs	Datasheet	2,937In Stock	¥481.7 ¥240.8 ¥217.6 ¥215.9 View ¥189.4 ¥159 ¥154.5 ¥154.3	Min.: 1 Mult.: 1
NTC Thermistors 0805 2.2K 5% B-4000 NTC B57421V2222J062 TDK 1: ¥66.4 20,114In Stock	Mfr. Part # B57421V2222J062 Mouser Part # 871-B57421V2222J062	TDK	NTC Thermistors 0805 2.2K 5% B-4000 NTC Learn More about TDK b574xv2 b57620c5 ntc thermistors	Datasheet	20,114In Stock	Cut Tape ¥66.4 ¥62.1 ¥55 ¥52.3 Reel ¥39.7 View ¥46.8 ¥42.2 ¥39 ¥35.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC Thermistors 0805 100K 5% B-4480 NTC B57471V2104J062 TDK 1: ¥66.4 20,270In Stock 15,000Expected 12/18/2026	Mfr. Part # B57471V2104J062 Mouser Part # 871-B57471V2104J062	TDK	NTC Thermistors 0805 100K 5% B-4480 NTC Learn More about TDK b574xv2 b57620c5 ntc thermistors	Datasheet	20,270In Stock 15,000Expected 12/18/2026	Cut Tape ¥66.4 ¥62.1 ¥55 ¥52.3 Reel ¥39.7 View ¥46.8 ¥42.2 ¥38 ¥37.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC Thermistors 0402 10K 5% B-4000 NTC B57221V2103J060 TDK 1: ¥16.6 16,921In Stock	Mfr. Part # B57221V2103J060 Mouser Part # 871-B57221V2103J060	TDK	NTC Thermistors 0402 10K 5% B-4000 NTC Learn More about TDK b572xv2 ntc thermistors	Datasheet	16,921In Stock	Cut Tape ¥16.6 ¥15.1 ¥13.3 ¥12.3 Reel ¥8.5 View ¥10.8 ¥10.3 ¥9.3 ¥7.8 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
NTC Thermistors 0402 47K 5% B-4000 NTC B57221V2473J060 TDK 1: ¥16.6 9,858In Stock	Mfr. Part # B57221V2473J060 Mouser Part # 871-B57221V2473J060	TDK	NTC Thermistors 0402 47K 5% B-4000 NTC Learn More about TDK b572xv2 ntc thermistors	Datasheet	9,858In Stock	Cut Tape ¥16.6 ¥15.1 ¥13.3 ¥12.3 Reel ¥8.5 View ¥10.8 ¥10.3 ¥9.8 ¥8.3 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
NTC Thermistors 0402 4.7K 5% B-4000 NTC AEC-Q200 B57251V5472J060 TDK 1: ¥26.6 3,263In Stock	Mfr. Part # B57251V5472J060 Mouser Part # 871-B57251V5472J060	TDK	NTC Thermistors 0402 4.7K 5% B-4000 NTC AEC-Q200 Learn More about TDK b572xv5 ntc thermistors	Datasheet	3,263In Stock	Cut Tape ¥26.6 ¥23.8 ¥20.9 ¥16.8 Reel ¥12.1 View ¥14.8 ¥14.1 ¥12.6 ¥11.6 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
NTC Thermistors 0603 1.0K 5% B-4000 NTC B57321V2102J060 TDK 1: ¥46.5 4,118In Stock	Mfr. Part # B57321V2102J060 Mouser Part # 871-B57321V2102J060	TDK	NTC Thermistors 0603 1.0K 5% B-4000 NTC Learn More about TDK b573xv2 ntc thermistors	Datasheet	4,118In Stock	Cut Tape ¥46.5 ¥42.5 ¥37.5 ¥35.5 Reel ¥26.7 View ¥31.9 ¥27.6 ¥24.7 ¥24.1 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors 0603 22K 5% B-4000 NTC B57321V2223J060 TDK 1: ¥58.1 7,510In Stock	Mfr. Part # B57321V2223J060 Mouser Part # 871-B57321V2223J060	TDK	NTC Thermistors 0603 22K 5% B-4000 NTC Learn More about TDK b573xv2 ntc thermistors	Datasheet	7,510In Stock	Cut Tape ¥58.1 ¥50.3 ¥44.3 ¥35.5 Reel ¥24.7 View ¥29.4 ¥27.2 ¥19.8 ¥19.1 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors 0603 47K 5% B-4000 NTC B57321V2473J060 TDK 1: ¥46.5 4,602In Stock	Mfr. Part # B57321V2473J060 Mouser Part # 871-B57321V2473J060	TDK	NTC Thermistors 0603 47K 5% B-4000 NTC Learn More about TDK b573xv2 ntc thermistors	Datasheet	4,602In Stock	Cut Tape ¥46.5 ¥42.5 ¥37.5 ¥35.5 Reel ¥26.6 View ¥31.9 ¥27.2 ¥25.4 ¥24.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors 0603 10K 5% B-4000 NTC B57351V5103J060 TDK 1: ¥51.5 775In Stock 28,000On Order	Mfr. Part # B57351V5103J060 Mouser Part # 871-B57351V5103J060	TDK	NTC Thermistors 0603 10K 5% B-4000 NTC Learn More about TDK b573xv5 ntc thermistors	Datasheet	775In Stock 28,000On Order On Order Ship Dates Mfr. #: B57351V5103J060 Stock: 775 Can Ship Immediately On Order: 12,000 Expected 11/9/2026 16,000 Expected 2/24/2027 Factory Lead-Time: 12 Weeks	Cut Tape ¥51.5 ¥48.2 ¥42.5 ¥40.4 Reel ¥31.6 View ¥36.2 ¥33.1 ¥25.1 ¥24.6 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors 0603 10K 5% B-4480 NTC B57352V5103J060 TDK 1: ¥58.1 3,523In Stock	Mfr. Part # B57352V5103J060 Mouser Part # 871-B57352V5103J060	TDK	NTC Thermistors 0603 10K 5% B-4480 NTC Learn More about TDK b573xv5 ntc thermistors	Datasheet	3,523In Stock	Cut Tape ¥58.1 ¥53.8 ¥47.7 ¥45.3 Reel ¥34.4 View ¥40.4 ¥35.9 ¥31.1 ¥30.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors 0805 10K 5% B-4000 NTC B57451V5103J062 TDK 1: ¥74.7 3,821In Stock 4,000Expected 1/18/2027	Mfr. Part # B57451V5103J062 Mouser Part # 871-B57451V5103J062	TDK	NTC Thermistors 0805 10K 5% B-4000 NTC Learn More about TDK b574xv5 ntc thermistors	Datasheet	3,821In Stock 4,000Expected 1/18/2027	Cut Tape ¥74.7 ¥70.8 ¥66.1 ¥62.8 View Reel ¥46.5 ¥59.8 ¥53.8 ¥50.8 ¥46.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors 0805 33K 5% B-4000 NTC B57451V5333J062 TDK 1: ¥79.7 625In Stock	Mfr. Part # B57451V5333J062 Mouser Part # 871-B57451V5333J062	TDK	NTC Thermistors 0805 33K 5% B-4000 NTC Learn More about TDK b574xv5 ntc thermistors	Datasheet	625In Stock	Cut Tape ¥79.7 ¥75.1 ¥69.9 ¥66.4 View Reel ¥46.5 ¥62.5 ¥55.5 ¥52.3 ¥46.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors 0805 47K 5% B-4480 NTC B57471V2473J062 TDK 1: ¥66.4 3,366In Stock	Mfr. Part # B57471V2473J062 Mouser Part # 871-B57471V2473J062	TDK	NTC Thermistors 0805 47K 5% B-4480 NTC Learn More about TDK b574xv2 b57620c5 ntc thermistors	Datasheet	3,366In Stock	Cut Tape ¥66.4 ¥62.1 ¥55 ¥52.3 Reel ¥39.7 View ¥46.8 ¥42.2 ¥38 ¥37.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors CT0603L25HSG B72500T8250L060 TDK 1: ¥41.5 2,902In Stock	Mfr. Part # B72500T8250L060 Mouser Part # 871-B72500T8250L060	TDK	Varistors CT0603L25HSG Learn More about TDK epcosvaristors	Datasheet	2,902In Stock	Cut Tape ¥41.5 ¥25.6 ¥20.1 ¥19.1 Reel ¥16.3 View ¥18.1 ¥15.8 ¥15.6 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Varistors 2220 14Vrms 10A B72540E1140S262 TDK 1: ¥526.5 386In Stock	Mfr. Part # B72540E1140S262 Mouser Part # 871-B72540E1140S262	TDK	Varistors 2220 14Vrms 10A Learn More about TDK automotive multilayer varistors	Datasheet	386In Stock	Cut Tape ¥526.5 ¥393.7 ¥360.4 ¥323.9 Reel ¥264.1 View ¥305.6 ¥295.7 ¥274.1 ¥262.4 MouseReel Available	Min.: 1 Mult.: 1 : 1,500