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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.
Surface Mount Fuses 4A Fast Acting 1206 SinglFuse SF-1206F400-2 Bourns 1: ¥83.1 15,623In Stock	Mfr. Part # SF-1206F400-2 Mouser Part # 652-SF-1206F400-2	Bourns	Surface Mount Fuses 4A Fast Acting 1206 SinglFuse Learn More about Bourns fast acting thin film smd fuses	Datasheet	15,623In Stock	Cut Tape ¥83.1 ¥71.9 ¥62 ¥57 View Reel ¥38 ¥52.8 ¥49.2 ¥46.2 ¥42.5 ¥38 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses .8A 63V FAST ACTING SF-1206FP080-2 Bourns 1: ¥112.9 17,167In Stock	Mfr. Part # SF-1206FP080-2 Mouser Part # 652-SF-1206FP080-2	Bourns	Surface Mount Fuses .8A 63V FAST ACTING Learn More about Bourns precision fast acting smd fuses	Datasheet	17,167In Stock	Cut Tape ¥112.9 ¥89.9 ¥75.7 ¥66.4 View Reel ¥41.9 ¥59.8 ¥55.1 ¥50.8 ¥46.8 ¥41.9 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL TISP4070J3BJR-S Bourns 1: ¥313.9 8,166In Stock	Mfr. Part # TISP4070J3BJR-S Mouser Part # 652-TISP4070J3BJR-S	Bourns	Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL Learn More about Bourns power supply solutions	Datasheet	8,166In Stock	Cut Tape ¥313.9 ¥201 ¥124.6 ¥97.2 ¥90.2 Reel ¥86.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Connectorized Surge Protectors Din Rail Ethernet Surge Suppressor, Cat 5E MJ8-CAT5E Citel 1: ¥14,229.8 70In Stock	Mfr. Part # MJ8-CAT5E Mouser Part # 703-MJ8-CAT5E	Citel	Connectorized Surge Protectors Din Rail Ethernet Surge Suppressor, Cat 5E Learn More about Citel mj8 ethernet	Datasheet	70In Stock	¥14,229.8 ¥12,874.4 ¥12,869.4 ¥12,804.6 ¥10,755	Min.: 1 Mult.: 1
PTC Thermistors PTC 2.2Kohms 1% Linear Vishay / Dale TFPT0805L2201FM TFPT0805L2201FM Vishay / Dale 1: ¥147.8 4,454In Stock	Mfr. Part # TFPT0805L2201FM Mouser Part # 71-TFPT0805L2201FM	Vishay / Dale	PTC Thermistors PTC 2.2Kohms 1% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	4,454In Stock	Cut Tape ¥147.8 ¥140 ¥126.4 ¥118.9 View Reel ¥85.5 ¥115.9 ¥97.5 ¥90.7 ¥85.5 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
PTC Thermistors PTC 5.6Kohms 1% Linear Vishay / Dale TFPT1206L5601FV TFPT1206L5601FV Vishay / Dale 1: ¥323.9 4,051In Stock	Mfr. Part # TFPT1206L5601FV Mouser Part # 71-TFPT1206L5601FV	Vishay / Dale	PTC Thermistors PTC 5.6Kohms 1% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	4,051In Stock	Cut Tape ¥323.9 ¥242.5 ¥194.3 ¥182.7 Reel ¥137.7 View ¥179.4 ¥149.7 ¥115.9 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes RASMID™ Series - Transient Voltage Suppressor VS5V0BB1FST27N ROHM Semiconductor 1: ¥76.4 52,391In Stock	Mfr. Part # VS5V0BB1FST27N Mouser Part # 755-VS5V0BB1FST27N	ROHM Semiconductor	ESD Protection Diodes / TVS Diodes RASMID™ Series - Transient Voltage Suppressor Learn More about ROHM Semiconductor rohm vs5v tvs	Datasheet	52,391In Stock	Cut Tape ¥76.4 ¥39.5 ¥25.2 ¥21.6 View Reel ¥11.3 ¥19.3 ¥16.8 ¥15.9 ¥14.1 ¥11.3 MouseReel Available	Min.: 1 Mult.: 1 : 27,000
ESD Protection Diodes / TVS Diodes 3KW, 26V 5%,BIDIR,SMC TVS Vishay Semiconductors SMC3K26CAHM3_A/H SMC3K26CAHM3_A/H Vishay Semiconductors 1: ¥421.9 8,466In Stock	Mfr. Part # SMC3K26CAHM3_A/H Mouser Part # 78-SMC3K26CAHM3_A/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 3KW, 26V 5%,BIDIR,SMC TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	8,466In Stock	Cut Tape ¥421.9 ¥274.1 ¥209.3 ¥177.7 Reel ¥117.8 View ¥117.9 ¥114.6 MouseReel Available	Min.: 1 Mult.: 1 : 850
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219-M3 SMF6V5A-M3-08 Vishay Semiconductors 1: ¥86.4 40,790In Stock	Mfr. Part # SMF6V5A-M3-08 Mouser Part # 78-SMF6V5A-M3-08	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219-M3 Learn More about Vishay Semiconductors vishay smf series diodes	Datasheet	40,790In Stock	Cut Tape ¥86.4 ¥38.7 ¥34.1 ¥25.4 Reel ¥19.1 View ¥24.1 ¥16.4 ¥14.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
SCRs Thyristors - TO48 BRAZ SQR-e3 VS-25RIA120M Vishay Semiconductors 1: ¥4,037.9 188In Stock	Mfr. Part # VS-25RIA120M Mouser Part # 78-VS-25RIA120M	Vishay Semiconductors	SCRs Thyristors - TO48 BRAZ SQR-e3	Datasheet	188In Stock	¥4,037.9 ¥2,916.7 ¥2,591.2 ¥2,589.5	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 7KW 24V 5% XMC7K24CAHM3/H Vishay Semiconductors 1: ¥508.3 1,892In Stock	Mfr. Part # XMC7K24CAHM3/H Mouser Part # 78-XMC7K24CAHM3/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 7KW 24V 5% Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	1,892In Stock	Cut Tape ¥508.3 ¥330.5 ¥252.5 ¥227.6 Reel ¥155.6 View ¥163.6 ¥150.2 ¥146.2 MouseReel Available	Min.: 1 Mult.: 1 : 850
PTC Thermistors 15 OHM 20% SMD 0805 PRG21BB150MB1RK Murata Electronics 1: ¥94.7 9,044In Stock	Mfr. Part # PRG21BB150MB1RK Mouser Part # 81-PRG21BB150MB1RK	Murata Electronics	PTC Thermistors 15 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	9,044In Stock	Cut Tape ¥94.7 ¥86.4 ¥79.9 ¥71.8 View Reel ¥44.2 ¥65.6 ¥59.5 ¥54.8 ¥50.7 ¥44.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors 0402 20VDC 3.3pF AEC-Q200 AVRL101D3R3FTA TDK 1: ¥18.3 108,193In Stock	Mfr. Part # AVRL101D3R3FTA Mouser Part # 810-AVRL101D3R3FTA	TDK	Varistors 0402 20VDC 3.3pF AEC-Q200 Learn More about TDK avr l varistors	Datasheet	108,193In Stock	Cut Tape ¥18.3 ¥11.1 ¥8.5 ¥8 Reel ¥6.1 View ¥7.6 ¥7.1 ¥7 ¥6 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
SCRs 400 Volt 25 Amp Vishay Semiconductors VS-25RIA40 VS-25RIA40 Vishay Semiconductors 1: ¥2,923.4 150In Stock	Mfr. Part # VS-25RIA40 Mouser Part # 844-25RIA40	Vishay Semiconductors	SCRs 400 Volt 25 Amp	Datasheet	150In Stock	¥2,923.4 ¥2,136	Min.: 1 Mult.: 1
SCRs 400V 25A 2N6507TG Littelfuse 1: ¥727.5 876In Stock	Mfr. Part # 2N6507TG Mouser Part # 863-2N6507TG	Littelfuse	SCRs 400V 25A	Datasheet	876In Stock	Cut Tape ¥727.5 ¥480 ¥343.8 ¥337.2 Reel ¥337.2	Min.: 1 Mult.: 1 : 1,000
Triacs 8A 50mA 800V IGT 3 QUAD INTERNL ISLTD BTA08-800BW3G Littelfuse 1: ¥659.4 1,070In Stock	Mfr. Part # BTA08-800BW3G Mouser Part # 863-BTA08-800BW3G	Littelfuse	Triacs 8A 50mA 800V IGT 3 QUAD INTERNL ISLTD	Datasheet	1,070In Stock	¥659.4 ¥340.5 ¥308.9 ¥295.7	Min.: 1 Mult.: 1
Triacs 16A 35mA 600V IGT 3 QUAD INTERNL ISLTD BTA16-600CW3G Littelfuse 1: ¥847.1 1,544In Stock	Mfr. Part # BTA16-600CW3G Mouser Part # 863-BTA16-600CW3G	Littelfuse	Triacs 16A 35mA 600V IGT 3 QUAD INTERNL ISLTD	Datasheet	1,544In Stock	¥847.1 ¥445.1 ¥411.9	Min.: 1 Mult.: 1
Inrush Current Limiters NTC THERMISTOR ICL P11/47 B57211P0470M301 TDK 1: ¥171.1 3,305In Stock	Mfr. Part # B57211P0470M301 Mouser Part # 871-B57211P470M301	TDK	Inrush Current Limiters NTC THERMISTOR ICL P11/47 Learn More about TDK epcosp11p13icl	Datasheet	3,305In Stock	¥171.1 ¥157.3 ¥130.6 ¥120.4 View ¥108.3 ¥99.8 ¥96.7 ¥84.7 ¥74.2	Min.: 1 Mult.: 1
Inrush Current Limiters S 235/10 M51 B57235S0100M051 TDK 1: ¥139.5 5,755In Stock	Mfr. Part # B57235S0100M051 Mouser Part # 871-B57235S0100M051	TDK	Inrush Current Limiters S 235/10 M51 Learn More about TDK epcos inrush current limiters	Datasheet	5,755In Stock	Cut Tape ¥139.5 ¥127.9 ¥106.1 ¥100.5 Reel ¥68.6 View ¥91 ¥83.9 ¥74.2 ¥58.8	Min.: 1 Mult.: 1 : 3,000
Inrush Current Limiters S 236/20 M51 B57236S0200M051 TDK 1: ¥181 3,674In Stock	Mfr. Part # B57236S0200M051 Mouser Part # 871-B57236S0200M051	TDK	Inrush Current Limiters S 236/20 M51 Learn More about TDK epcos inrush current limiters	Datasheet	3,674In 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 236/25 M51 B57236S0250M051 TDK 1: ¥181 5,748In Stock	Mfr. Part # B57236S0250M051 Mouser Part # 871-B57236S0250M051	TDK	Inrush Current Limiters S 236/25 M51 Learn More about TDK epcos inrush current limiters	Datasheet	5,748In Stock	Cut Tape ¥181 ¥167.8 ¥138.2 ¥98.5 Reel ¥80.4 View ¥90.5 ¥84.4 ¥82.4 ¥77.1	Min.: 1 Mult.: 1 : 3,000
NTC Thermistors 0603 10K 3% B 4000 55/125/56 B57321V2103H60 TDK 1: ¥68.1 63,709In Stock	Mfr. Part # B57321V2103H60 Mouser Part # 871-B57321V2103H60	TDK	NTC Thermistors 0603 10K 3% B 4000 55/125/56 Learn More about TDK b573xv2 ntc thermistors	Datasheet	63,709In Stock	Cut Tape ¥68.1 ¥58.3 ¥51.3 ¥41.2 Reel ¥23.8 View ¥34.1 ¥24.3 ¥23.3 ¥20.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Inrush Current Limiters 10 Ohms 7.5amsp 3300k B57364S0100M054 TDK 1: ¥654.4 1,380In Stock	Mfr. Part # B57364S0100M054 Mouser Part # 871-B57364S100M54	TDK	Inrush Current Limiters 10 Ohms 7.5amsp 3300k Learn More about TDK epcos inrush current limiters	Datasheet	1,380In Stock	¥654.4 ¥543.1 ¥501.6 ¥416.9 View Reel ¥279 ¥383.7 ¥345.5 ¥302.3 ¥279 ¥279	Min.: 1 Mult.: 1 : 1,500
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 ¥35.5 Reel ¥25.6 View ¥31.9 ¥26.9 ¥24.7 ¥24.1 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors 3k 3988 B57863S0302F040 TDK 1: ¥490 3,559In Stock	Mfr. Part # B57863S0302F040 Mouser Part # 871-B57863S302F40	TDK	NTC Thermistors 3k 3988 Learn More about TDK epcos ntc thermistors	Datasheet	3,559In Stock	¥490 ¥468.4 ¥441.8 ¥423.6 View ¥406.9 ¥368.7 ¥348.8 ¥302.3	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection