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Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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Types of Circuit Protection

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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.
Thermal Cutoffs 72C Reinforced Cover SMD HC TCO SC72AAA Bourns 1: ¥189.4 4,379In Stock	Mfr. Part # SC72AAA Mouser Part # 652-SC72AAA	Bourns	Thermal Cutoffs 72C Reinforced Cover SMD HC TCO Learn More about Bourns sc mini breakers	Datasheet	4,379In Stock	Cut Tape ¥189.4 ¥171.1 ¥167.8 ¥151.2 View Reel ¥107.8 ¥138 ¥135.9 ¥124.2 ¥118.3 ¥107.8 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 4A Fast Acting 0603 SinglFuse SF-0603F400-2 Bourns 1: ¥106.3 21,602In Stock	Mfr. Part # SF-0603F400-2 Mouser Part # 652-SF-0603F400-2	Bourns	Surface Mount Fuses 4A Fast Acting 0603 SinglFuse Learn More about Bourns fast acting thin film smd fuses	Datasheet	21,602In Stock	Cut Tape ¥106.3 ¥84.5 ¥71.3 ¥62.6 View Reel ¥40.7 ¥56.3 ¥53 ¥49.3 ¥45.3 ¥40.7 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 1A 32V TIME DELAY SF-0603SP100-2 Bourns 1: ¥126.2 14,302In Stock	Mfr. Part # SF-0603SP100-2 Mouser Part # 652-SF-0603SP100-2	Bourns	Surface Mount Fuses 1A 32V TIME DELAY Learn More about Bourns sf 0603sp r metal foil smd fuses	Datasheet	14,302In Stock	Cut Tape ¥126.2 ¥103.5 ¥84.5 ¥76.6 View Reel ¥46 ¥66.8 ¥61.6 ¥58.3 ¥48.8 ¥46 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 6A 50V TIME DELAY SF-0603SP600-2 Bourns 1: ¥126.2 13,405In Stock	Mfr. Part # SF-0603SP600-2 Mouser Part # 652-SF-0603SP600-2	Bourns	Surface Mount Fuses 6A 50V TIME DELAY Learn More about Bourns sf 0603sp r metal foil smd fuses	Datasheet	13,405In Stock	Cut Tape ¥126.2 ¥100.3 ¥84.5 ¥74.2 View Reel ¥44.8 ¥55.6 ¥52.8 ¥50 ¥47.7 ¥44.8 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 7A Fast Acting 1206 SinglFuse SF-1206F700-2 Bourns 1: ¥99.7 25,578In Stock	Mfr. Part # SF-1206F700-2 Mouser Part # 652-SF-1206F700-2	Bourns	Surface Mount Fuses 7A Fast Acting 1206 SinglFuse Learn More about Bourns fast acting thin film smd fuses	Datasheet	25,578In Stock	Cut Tape ¥99.7 ¥79.2 ¥66.8 ¥58.6 View Reel ¥37 ¥54.3 ¥48.7 ¥44.8 ¥41.4 ¥37 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 3A 32V TIME DELAY SF-1206SP300-2 Bourns 1: ¥127.9 15,673In Stock	Mfr. Part # SF-1206SP300-2 Mouser Part # 652-SF-1206SP300-2	Bourns	Surface Mount Fuses 3A 32V TIME DELAY Learn More about Bourns precision slow blow smd fuses	Datasheet	15,673In Stock	Cut Tape ¥127.9 ¥109 ¥91 ¥80.9 View Reel ¥55.3 ¥72.8 ¥67.1 ¥62 ¥55.3 ¥55.3 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional TISP4030L1AJR-S Bourns 1: ¥132.9 18,281In Stock	Mfr. Part # TISP4030L1AJR-S Mouser Part # 652-TISP4030L1AJR-S	Bourns	Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional Learn More about Bourns TISP protectors for VDSL GFast	Datasheet	18,281In Stock	Cut Tape ¥132.9 ¥72.3 ¥48.8 ¥37.5 Reel ¥27.9 View ¥32.7 ¥31.2 ¥25.9 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional TISP4040L1BJR-S Bourns 1: ¥129.6 22,447In Stock	Mfr. Part # TISP4040L1BJR-S Mouser Part # 652-TISP4040L1BJR-S	Bourns	Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional Learn More about Bourns TISP protectors for VDSL GFast	Datasheet	22,447In Stock	Cut Tape ¥129.6 ¥80.4 ¥49.8 ¥38.9 Reel ¥30.1 View ¥35 ¥27.6 ¥25.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
PTC Thermistors PTC 3.3Kohms 1% Linear Vishay / Dale TFPT0805L3301FM TFPT0805L3301FM Vishay / Dale 1: ¥210.9 4,380In Stock	Mfr. Part # TFPT0805L3301FM Mouser Part # 71-TFPT0805L3301FM	Vishay / Dale	PTC Thermistors PTC 3.3Kohms 1% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	4,380In Stock	Cut Tape ¥210.9 ¥158 ¥126.4 ¥118.9 View Reel ¥84.7 ¥115.9 ¥97.5 ¥90.7 ¥84.7 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
PTC Thermistors PTC 10Kohms 5% Linear Vishay / Dale TFPT1206L1002JV TFPT1206L1002JV Vishay / Dale 1: ¥154.5 3,429In Stock	Mfr. Part # TFPT1206L1002JV Mouser Part # 71-TFPT1206L1002JV	Vishay / Dale	PTC Thermistors PTC 10Kohms 5% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	3,429In Stock	Cut Tape ¥154.5 ¥145.3 ¥136.2 ¥129.9 Reel ¥102.3 View ¥124.2 ¥112.6 ¥96.5 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes TVS DIODES ESD103B102ELE6327XTMA1 Infineon Technologies 1: ¥64.8 60,805In Stock	Mfr. Part # ESD103B102ELE6327XTMA1 Mouser Part # 726-103-ELE6327XTMA1	Infineon Technologies	ESD Protection Diodes / TVS Diodes TVS DIODES	Datasheet	60,805In Stock	Cut Tape ¥64.8 ¥29.4 ¥24.6 ¥20.1 View Reel ¥13.6 ¥19.4 ¥18.9 ¥17.4 ¥13.6 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes 400W 30V 5% SMA (DO-214AC) SMAJ30CAHE3_A/H Vishay Semiconductors 1: ¥129.6 12,704In Stock	Mfr. Part # SMAJ30CAHE3_A/H Mouser Part # 78-SMAJ30CAHE3_A/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W 30V 5% SMA (DO-214AC) Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	12,704In Stock	Cut Tape ¥129.6 ¥58.8 ¥51.8 ¥39.5 Reel ¥25.2 View ¥26.6 ¥22.6 MouseReel Available	Min.: 1 Mult.: 1 : 1,800
ESD Protection Diodes / TVS Diodes 12V 1000W UniDir TransZorb 5% Tol SMBJ12A-M3/5B Vishay Semiconductors 1: ¥114.6 13,366In Stock	Mfr. Part # SMBJ12A-M3/5B Mouser Part # 78-SMBJ12A-M35B	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 12V 1000W UniDir TransZorb 5% Tol Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	13,366In Stock	Cut Tape ¥114.6 ¥51.5 ¥45.3 ¥34.2 Reel ¥26.1 View ¥22.4 ¥21.8	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes 24V 600W Bidir TransZorb 3.5% Tol SMBJ24CD-M3/H Vishay Semiconductors 1: ¥137.9 9,477In Stock	Mfr. Part # SMBJ24CD-M3/H Mouser Part # 78-SMBJ24CD-M3/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 24V 600W Bidir TransZorb 3.5% Tol Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	9,477In Stock	Cut Tape ¥137.9 ¥63.1 ¥55.6 ¥33.1 Reel ¥29.6 ¥28.7 MouseReel Available	Min.: 1 Mult.: 1 : 750
NTC Thermistors 10K OHM 10% DO-35 103JG1KE Littelfuse 1: ¥48.2 12,081In Stock	Mfr. Part # 103JG1KE Mouser Part # 803-103JG1KE	Littelfuse	NTC Thermistors 10K OHM 10% DO-35 Learn More about Littelfuse do 35 standard	Datasheet	12,081In Stock	Cut Tape ¥48.2 ¥44.3 ¥39 ¥37.2 View Reel ¥24.9 ¥33.2 ¥28.6 ¥24.9	Min.: 1 Mult.: 1 : 5,000
Varistors 0402 39V 1.1 pF AVRL101A1R1NTB TDK 1: ¥141.2 18,513In Stock	Mfr. Part # AVRL101A1R1NTB Mouser Part # 810-AVRL101A1R1NTB	TDK	Varistors 0402 39V 1.1 pF Learn More about TDK avr l varistors	Datasheet	18,513In Stock	Cut Tape ¥141.2 ¥90.4 ¥73.9 ¥70.8 View Reel ¥58.8 ¥68.1 ¥66.1 ¥63.1 ¥58.8 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Varistors 0805 40VDC 250pF 10% AEC-Q200 AVRM2012C560KT251M TDK 1: ¥44.8 31,735In Stock	Mfr. Part # AVRM2012C560KT251M Mouser Part # 810-AVRM2012C560KT25	TDK	Varistors 0805 40VDC 250pF 10% AEC-Q200 Learn More about TDK AVR M varistors	Datasheet	31,735In Stock	Cut Tape ¥44.8 ¥27.6 ¥21.8 ¥20.6 Reel ¥18.1 View ¥19.6 ¥17.1 ¥16.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
NTC Thermistors AEC-Q200 10kOhm 3% B25/85:3400K+-2% NTCDS3HG103HC3NB TDK 1: ¥430.2 4,960In Stock	Mfr. Part # NTCDS3HG103HC3NB Mouser Part # 810-NTCDS3HG103HC3NB	TDK	NTC Thermistors AEC-Q200 10kOhm 3% B25/85:3400K+-2% Learn More about TDK ntcd thermistors	Datasheet	4,960In Stock	¥430.2 ¥410.3 ¥380.4 ¥362.1 View ¥318.9 ¥317.3 ¥292.3	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, NTC 10K OHM, 3%, 0201 NTCG063JH103HTB TDK 1: ¥99.7 20,517In Stock	Mfr. Part # NTCG063JH103HTB Mouser Part # 810-NTCG063JH103HT1	TDK	NTC Thermistors THERMISTOR, NTC 10K OHM, 3%, 0201 Learn More about TDK NTCG smd ntc thermistors	Datasheet	20,517In Stock	Cut Tape ¥99.7 ¥94.2 ¥88 ¥83.7 View Reel ¥56.8 ¥79.9 ¥70.6 ¥64.1 ¥56.8 ¥56.8 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
Triacs Triacs 2N6349AG Littelfuse 1: ¥410.3 2,176In Stock	Mfr. Part # 2N6349AG Mouser Part # 863-2N6349AG	Littelfuse	Triacs Triacs	Datasheet	2,176In Stock	Cut Tape ¥410.3 ¥282.4 ¥206 ¥186 Reel ¥186	Min.: 1 Mult.: 1 : 1,000
SCRs 600V 25A 2N6508G Littelfuse 1: ¥710.9 2,908In Stock	Mfr. Part # 2N6508G Mouser Part # 863-2N6508G	Littelfuse	SCRs 600V 25A	Datasheet	2,908In Stock	¥710.9 ¥368.7 ¥335.5 ¥325.6	Min.: 1 Mult.: 1
Triacs 16A 35mA 800V IGT 3 QUAD INTERNL ISLTD BTA16-800CW3G Littelfuse 1: ¥860.4 1,274In Stock	Mfr. Part # BTA16-800CW3G Mouser Part # 863-BTA16-800CW3G	Littelfuse	Triacs 16A 35mA 800V IGT 3 QUAD INTERNL ISLTD	Datasheet	1,274In Stock	¥860.4 ¥453.5 ¥420.2	Min.: 1 Mult.: 1
Inrush Current Limiters S 236/80 M51 B57236S0800M051 TDK 1: ¥181 2,968In Stock	Mfr. Part # B57236S0800M051 Mouser Part # 871-B57236S0800M051	TDK	Inrush Current Limiters S 236/80 M51 Learn More about TDK epcos inrush current limiters	Datasheet	2,968In Stock	Cut Tape ¥181 ¥167.8 ¥138.2 ¥127.6 Reel ¥80.4 View ¥114.6 ¥105.6 ¥89.7 ¥77.1	Min.: 1 Mult.: 1 : 3,000
Inrush Current Limiters S 238/15 M B57238S0150M000 TDK 1: ¥217.6 2,662In Stock	Mfr. Part # B57238S0150M000 Mouser Part # 871-B57238S0150M000	TDK	Inrush Current Limiters S 238/15 M Learn More about TDK epcos inrush current limiters	Datasheet	2,662In Stock	¥217.6 ¥201 ¥167.8 ¥153.8 View ¥138.2 ¥127.4 ¥117.3 ¥116.8 ¥96.8	Min.: 1 Mult.: 1
Inrush Current Limiters S 238/16 M 20% B57238S0160M000 TDK 1: ¥249.2 4,982In Stock	Mfr. Part # B57238S0160M000 Mouser Part # 871-B57238S0160M000	TDK	Inrush Current Limiters S 238/16 M 20% Learn More about TDK epcos inrush current limiters	Datasheet	4,982In Stock	¥249.2 ¥230.9 ¥191 ¥177.7 View ¥158.3 ¥146 ¥131.9 ¥129.6 ¥111	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection