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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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 66V 10KA LTKAK10-066C Littelfuse 1: 30,75 € 687In Stock	Mfr. Part No. LTKAK10-066C Mouser Part No 576-LTKAK10-066C	Littelfuse	ESD Protection Diodes / TVS Diodes 66V 10KA Learn More about Littelfuse ltkak6 ltkak10	Datasheet	687In Stock	Cut Tape 30,75 € 27,95 € 27,17 € Reel 27,17 € MouseReel Available	Min.: 1 Mult.: 1 : 400
Varistors 4VAC 5.6VDC 0.3J 250 0pF 8.5 V 18V V2F105C150Y1FDP KYOCERA AVX 1: 1,24 € 97 371In Stock 7 000Expected 01/10/2026	Mfr. Part No. V2F105C150Y1FDP Mouser Part No 581-V2F105C150Y1FDP	KYOCERA AVX	Varistors 4VAC 5.6VDC 0.3J 250 0pF 8.5 V 18V Learn More about KYOCERA AVX avxtransguardvar	Datasheet	97 371In Stock 7 000Expected 01/10/2026	Cut Tape 1,24 € 0,581 € 0,505 € 0,472 € 0,404 € Reel 0,351 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000
Varistors 620V 40KA MOV Disc Square 34mm 621KS34 YAGEO 1: 5,57 € 9 833In Stock	Mfr. Part No. 621KS34 Mouser Part No 603-621KS34	YAGEO	Varistors 620V 40KA MOV Disc Square 34mm Learn More about YAGEO mov overvoltage devices	Datasheet	9 833In Stock	5,57 € 4,28 € 3,88 € 3,87 € View 3,84 € 3,79 € 3,75 € 3,71 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes P6SMB - A 160V P6SMB160A-Q Bourns 1: 0,602 € 119 948In Stock	Mfr. Part No. P6SMB160A-Q Mouser Part No 652-P6SMB160A-Q	Bourns	ESD Protection Diodes / TVS Diodes P6SMB - A 160V Learn More about Bourns p6smb q	Datasheet	119 948In Stock	Cut Tape 0,602 € 0,369 € 0,237 € 0,18 € Reel 0,138 € View 0,162 € 0,126 € 0,108 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors 100mA 850Vimp P850-G120-WH Bourns 1: 2,05 € 22 254In Stock	Mfr. Part No. P850-G120-WH Mouser Part No 652-P850-G120-WH	Bourns	Board Mount Surge Protectors 100mA 850Vimp Learn More about Bourns Bourns_TBU	Datasheet	22 254In Stock	Cut Tape 2,05 € 1,78 € 1,23 € 0,998 € 0,937 € Reel 0,931 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor B59641A0085A062 TDK 1: 0,327 € 151 083In Stock	Mfr. Part No. B59641A0085A062 Mouser Part No 871-B59641A0085A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	151 083In Stock	Cut Tape 0,327 € 0,298 € 0,257 € 0,212 € Reel 0,162 € View 0,187 € 0,179 € 0,156 € 0,15 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
Varistors 460VAC 10% 4032mm B72660M0461K093 TDK 1: 0,92 € 49 392In Stock	Mfr. Part No. B72660M0461K093 Mouser Part No 871-B72660M0461K093	TDK	Varistors 460VAC 10% 4032mm Learn More about TDK epcosvaristors	Datasheet	49 392In Stock	0,92 € 0,672 € 0,593 € 0,556 € View 0,533 € 0,514 € 0,485 € 0,477 € 0,43 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes RAILCLAMP0524S 5V SOT RCLAMP0524S.TCT Semtech 1: 1,30 € 68 740In Stock	Mfr. Part No. RCLAMP0524S.TCT Mouser Part No 947-RCLAMP0524S.TCT	Semtech	ESD Protection Diodes / TVS Diodes RAILCLAMP0524S 5V SOT Learn More about Semtech tvs esd suppressors	Datasheet	68 740In Stock	Cut Tape 1,30 € 0,825 € 0,683 € 0,58 € Reel 0,441 € View 0,511 € 0,433 € 0,423 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Fuse Holder 32x6.3mm FUSEHOLDER FX0180/BK Bulgin 1: 9,16 € 4 433In Stock	Mfr. Part No. FX0180/BK Mouser Part No 422-FX0180/BK	Bulgin	Fuse Holder 32x6.3mm FUSEHOLDER	Datasheet	4 433In Stock	9,16 € 7,19 € 6,73 € 5,70 € View 5,13 € 4,45 € 4,25 € 4,11 €	Min.: 1 Mult.: 1
Automotive Fuses 5100 Ohm 0.25W MINI 02400108P Littelfuse 1: 12,82 € 3 695In Stock	Mfr. Part No. 02400108P Mouser Part No 576-02400108P	Littelfuse	Automotive Fuses 5100 Ohm 0.25W MINI	Datasheet	3 695In Stock	12,82 € 10,64 € 9,50 € 8,13 € View 7,31 € 6,77 €	Min.: 1 Mult.: 1
Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting 0273003.H Littelfuse 1: 6,81 € 4 867In Stock	Mfr. Part No. 0273003.H Mouser Part No 576-0273003.H	Littelfuse	Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	4 867In Stock	6,81 € 6,05 € 5,50 € 5,06 € View 4,80 € 4,77 €	Min.: 1 Mult.: 1
Automotive Fuses 500AMP 48VDC 125VAC 0CNN500.V Littelfuse 1: 58,76 € 1 011In Stock	Mfr. Part No. 0CNN500.V Mouser Part No 576-0CNN500.V	Littelfuse	Automotive Fuses 500AMP 48VDC 125VAC Learn More about Littelfuse battery management solutions	Datasheet	1 011In Stock	58,76 € 48,74 € 47,58 € 39,95 €	Min.: 1 Mult.: 1
Fuse Holder 5X20MM Pitch 22/7 UL94V0 Open 0PTF0078P Littelfuse 1: 0,662 € 58 468In Stock	Mfr. Part No. 0PTF0078P Mouser Part No 576-0PTF0078P	Littelfuse	Fuse Holder 5X20MM Pitch 22/7 UL94V0 Open Learn More about Littelfuse _fuseholders	Datasheet	58 468In Stock	0,662 € 0,559 € 0,50 € 0,424 € View 0,392 € 0,355 € 0,327 € 0,326 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1500W 495V Bi-Directional 1.5KE550CA Littelfuse 1: 0,80 € 55 518In Stock	Mfr. Part No. 1.5KE550CA Mouser Part No 576-1.5KE550CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1500W 495V Bi-Directional Learn More about Littelfuse 1.5ke series diodes	Datasheet	55 518In Stock	Cut Tape 0,80 € 0,634 € 0,531 € 0,416 € Reel 0,313 € 0,301 €	Min.: 1 Mult.: 1 : 1 200
Automotive Fuses 100A 58V TIME DELAY 142.5395.6102 Littelfuse 1: 18,15 € 2 703In Stock	Mfr. Part No. 142.5395.6102 Mouser Part No 576-142.5395.6102	Littelfuse	Automotive Fuses 100A 58V TIME DELAY	Datasheet	2 703In Stock	18,15 € 12,71 € 11,98 € 10,71 € View 9,98 € 9,92 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5V .15pF 22kV SP0402B-ELC-01ETG Littelfuse 1: 0,55 € 425 409In Stock	Mfr. Part No. SP0402B-ELC-01ETG Mouser Part No 576-SP0402BELC-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes 5V .15pF 22kV Learn More about Littelfuse ultra low cap tvs spa diodes	Datasheet	425 409In Stock	Cut Tape 0,55 € 0,268 € 0,218 € 0,179 € View Reel 0,122 € 0,148 € 0,126 € 0,122 € 0,122 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
SCRs 35A If; 1200V Vr TO-247AD 3L; Std Igt VS-40TPS12LHM3 Vishay Semiconductors 1: 3,20 € 10 971In Stock	Mfr. Part No. VS-40TPS12LHM3 Mouser Part No 78-VS-40TPS12LHM3	Vishay Semiconductors	SCRs 35A If; 1200V Vr TO-247AD 3L; Std Igt Learn More about Vishay Semiconductors vishay aec q101 scr thyristors	Datasheet	10 971In Stock	3,20 €	Min.: 1 Mult.: 1
SCRs 100V 4A MCR703AT4G Littelfuse 1: 2,00 € 28 656In Stock	Mfr. Part No. MCR703AT4G Mouser Part No 863-MCR703AT4G	Littelfuse	SCRs 100V 4A	Datasheet	28 656In Stock	Cut Tape 2,00 € 1,28 € 0,869 € 0,691 € 0,635 € Reel 0,624 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500
ESD Protection Diodes / TVS Diodes 8-Line 3.3V 0.65pF 0.35R ESD SGP3810N9 RCLAMP3328P.TZT Semtech 1: 0,903 € 41 311In Stock	Mfr. Part No. RCLAMP3328P.TZT Mouser Part No 947-RCLAMP3328P.TZT	Semtech	ESD Protection Diodes / TVS Diodes 8-Line 3.3V 0.65pF 0.35R ESD SGP3810N9 Learn More about Semtech tvs esd suppressors		41 311In Stock	Cut Tape 0,903 € 0,694 € 0,569 € 0,468 € Reel 0,347 € View 0,402 € 0,365 € 0,338 € MouseReel Available	Min.: 1 Mult.: 1 : 5 000
Circuit Breaker Accessories PDG3 UVR, 380-440VAC, SCREW TERMINAL Eaton Electrical PDG3XUV440ACV PDG3XUV440ACV Eaton Electrical 1: 455,12 € 1In Stock New Product	Mfr. Part No. PDG3XUV440ACV Mouser Part No 504-PDG3XUV440ACV New Product	Eaton Electrical	Circuit Breaker Accessories PDG3 UVR, 380-440VAC, SCREW TERMINAL	Datasheet	1In Stock	455,12 € 377,02 € 347,53 € View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W,33V 5%, SlimSMA BIDIR TVS Vishay Semiconductors SMA6F33CA-M3/H SMA6F33CA-M3/H Vishay Semiconductors 1: 0,585 € 3 280In Stock New Product	Mfr. Part No. SMA6F33CA-M3/H Mouser Part No 78-SMA6F33CA-M3\H New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,33V 5%, SlimSMA BIDIR TVS	Datasheet	3 280In Stock	Cut Tape 0,585 € 0,363 € 0,232 € 0,176 € Reel 0,135 € View 0,158 € 0,123 € 0,117 € 0,107 €	Min.: 1 Mult.: 1 : 3 500
ESD Protection Diodes / TVS Diodes 27V 5A 250W 15pF 30kV SC70-3 TVS Array AQ27COM-02JTG Littelfuse 1: 0,439 € 11 018In Stock	Mfr. Part No. AQ27COM-02JTG Mouser Part No 576-AQ27COM-02JTG	Littelfuse	ESD Protection Diodes / TVS Diodes 27V 5A 250W 15pF 30kV SC70-3 TVS Array Learn More about Littelfuse aq24com aq27com arrays	Datasheet	11 018In Stock	Cut Tape 0,439 € 0,278 € 0,242 € 0,206 € Reel 0,141 € View 0,186 € 0,133 € 0,127 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ170A Littelfuse 1: 4,64 € 5 293In Stock	Mfr. Part No. TP5.0SMDJ170A Mouser Part No 576-TP5.0SMDJ170A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS Learn More about Littelfuse tp5 0smdj tvs diodes	Datasheet	5 293In Stock	Cut Tape 4,64 € 2,70 € 2,38 € 2,11 € 1,90 € Reel 1,76 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Industrial Surge Protectors AC SPD, 2W-G,150VAC 1250A-2S-120 Bourns 1: 185,57 € 89In Stock	Mfr. Part No. 1250A-2S-120 Mouser Part No 652-1250A-2S-120	Bourns	Industrial Surge Protectors AC SPD, 2W-G,150VAC Learn More about Bourns 1250a ac spds	Datasheet	89In Stock	185,57 € 144,86 € 141,15 € Quote Quote	Min.: 1 Mult.: 1
Industrial Surge Protectors AC SPD, 2W-G,275VAC 1250A-2S-230 Bourns 1: 210,21 € 69In Stock	Mfr. Part No. 1250A-2S-230 Mouser Part No 652-1250A-2S-230	Bourns	Industrial Surge Protectors AC SPD, 2W-G,275VAC Learn More about Bourns 1250a ac spds	Datasheet	69In Stock	210,21 € 174,29 € 160,73 € 160,54 € View 144,03 € Quote	Min.: 1 Mult.: 1

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