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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
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 ¥2,622.7	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 ¥152 View ¥163.6 ¥141 ¥140.9 ¥140 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 ¥71.8 ¥69.4 View Reel ¥43 ¥65.6 ¥59.5 ¥56.5 ¥53 ¥43 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 ¥6.3 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 162In Stock	Mfr. Part # VS-25RIA40 Mouser Part # 844-25RIA40	Vishay Semiconductors	SCRs 400 Volt 25 Amp	Datasheet	162In Stock	¥2,923.4 ¥2,132.7	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 ¥340.5 Reel ¥340.5	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 ¥299	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 ¥416.9	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 ¥108.3 ¥99 Reel ¥64.3 View ¥89 ¥82.1 ¥72.3 ¥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 ¥22.9 View ¥34.1 ¥31.1 ¥22.8 ¥20.3 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 ¥272.4 ¥383.7 ¥345.5 ¥302.3 ¥272.4 ¥272.4	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
NTC Thermistors 6.8k 3980 3% B57891M0682J000 TDK 1: ¥127.9 7,708In Stock	Mfr. Part # B57891M0682J000 Mouser Part # 871-B57891M682J	TDK	NTC Thermistors 6.8k 3980 3% Learn More about TDK epcos temperature sensor systems	Datasheet	7,708In Stock	¥127.9 ¥121.3 ¥113.6 ¥108.3 View ¥103.5 ¥93.7 ¥90 ¥82.7	Min.: 1 Mult.: 1
Varistors 20VAC 10% 5mm StandarD B72205S0200K101 TDK 1: ¥53.2 13,855In Stock	Mfr. Part # B72205S0200K101 Mouser Part # 871-B72205S200K101	TDK	Varistors 20VAC 10% 5mm StandarD Learn More about TDK epcosvaristors	Datasheet	13,855In Stock	¥53.2 ¥32.2 ¥25.4 ¥24.3 View ¥23.1 ¥21.9 ¥21.3 ¥21.1	Min.: 1 Mult.: 1
Varistors 130VAC 10% 7mm StandarD B72207S0131K211 TDK 1: ¥56.5 32,213In Stock	Mfr. Part # B72207S0131K211 Mouser Part # 871-B72207S0131K211	TDK	Varistors 130VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	32,213In Stock	Cut Tape ¥56.5 ¥34.4 ¥27.2 ¥25.9 Reel ¥22.4 View ¥24.3 ¥23.4 ¥21.9 ¥18.8	Min.: 1 Mult.: 1 : 4,500
Varistors 35VAC 10% 7mm StandarD B72207S0350K111 TDK 1: ¥51.5 21,827In Stock	Mfr. Part # B72207S0350K111 Mouser Part # 871-B72207S0350K111	TDK	Varistors 35VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	21,827In Stock	Cut Tape ¥51.5 ¥33.9 ¥27.2 ¥25.9 Reel ¥22.1 View ¥24.1 ¥22.8 ¥21.9	Min.: 1 Mult.: 1 : 6,000
Varistors 20VAC 10% 7mm StandarD B72207S0200K101 TDK 1: ¥53.2 26,635In Stock	Mfr. Part # B72207S0200K101 Mouser Part # 871-B72207S200K101	TDK	Varistors 20VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	26,635In Stock	¥53.2 ¥32.2 ¥24.3 ¥23.4 View ¥22.3 ¥21.4 ¥20.1 ¥19.6 ¥19.3	Min.: 1 Mult.: 1
Varistors 300VAC 10% 7mm StandarD B72207S0301K101 TDK 1: ¥41.5 43,672In Stock	Mfr. Part # B72207S0301K101 Mouser Part # 871-B72207S301K101	TDK	Varistors 300VAC 10% 7mm StandarD Learn More about TDK epcosvaristors	Datasheet	43,672In Stock	¥41.5 ¥25.1 ¥19.8 ¥18.6 View ¥17.8 ¥16.9 ¥16.3 ¥15.3 ¥14.3	Min.: 1 Mult.: 1
Varistors 385VAC 10% 14mm StandarD B72214S0381K151 TDK 1: ¥86.4 6,795In Stock	Mfr. Part # B72214S0381K151 Mouser Part # 871-B72214S0381K151	TDK	Varistors 385VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	6,795In Stock	Cut Tape ¥86.4 ¥53.8 ¥43.4 Reel ¥40.5 ¥37.7 View ¥35 ¥34.9	Min.: 1 Mult.: 1 : 3,000
Varistors 17VAC 10% 20mm AEC-Q200 B72220S1170K102 TDK 1: ¥470.1 1,511In Stock	Mfr. Part # B72220S1170K102 Mouser Part # 871-B72220S1170K102	TDK	Varistors 17VAC 10% 20mm AEC-Q200 Learn More about TDK automotive multilayer varistors	Datasheet	1,511In Stock	¥470.1 ¥350.5 ¥320.6 ¥289 View ¥270.7 ¥262.4 ¥245.8 ¥240.8 ¥220.9	Min.: 1 Mult.: 1
Varistors 680VAC 10% 20mm AdvanceD B72220S2681K101 TDK 1: ¥320.6 2,164In Stock	Mfr. Part # B72220S2681K101 Mouser Part # 871-B72220S2681K101	TDK	Varistors 680VAC 10% 20mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	2,164In Stock	¥320.6 ¥214.3 ¥186 ¥179.4 View ¥174.4 ¥161.4 ¥159.1 ¥157	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection