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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 104-PR3-10A E-T-A 1: $22.69 131In Stock	Mfr. Part No. 104-PR3-10A Mouser Part No 457-104-PR3-10A	E-T-A	Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings	Datasheet	131In Stock	$22.69 $17.67 $16.12 $14.53 View $12.96 $12.53 $11.98 $11.92 Quote	Min.: 1 Mult.: 1
Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 2-5700-IG2-P10-DD-20A E-T-A 1: $35.04 108In Stock	Mfr. Part No. 2-5700-IG2-P10-DD-20A Mouser Part No 457-25700IG2P10DD20A	E-T-A	Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ	Datasheet	108In Stock	$35.04 $29.07 $25.52 $22.26 View $19.17 $18.35 $17.38	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Chip with solder-coated wires, 10KOhm +/-1% @ 25 C NKA103C1B1 Amphenol Advanced Sensors 1: $0.96 11,810In Stock	Mfr. Part No. NKA103C1B1 Mouser Part No 527-NKA103C1B1	Amphenol Advanced Sensors	NTC (Negative Temperature Coefficient) Thermistors Chip with solder-coated wires, 10KOhm +/-1% @ 25 C Learn More about Amphenol Advanced Sensors nk thermistors	Datasheet	11,810In Stock	Cut Tape $0.96 $0.911 $0.854 $0.798 View Reel $0.591 $0.776 $0.714 $0.666 $0.652 $0.591	Min.: 1 Mult.: 1 : 4,000
Surface Mount Fuses 3939 Surface Mt Fuse 3.15A 0678D3150-02 Bel Fuse 1: $1.24 3,097In Stock	Mfr. Part No. 0678D3150-02 Mouser Part No 530-0678D3150-02	Bel Fuse	Surface Mount Fuses 3939 Surface Mt Fuse 3.15A Learn More about Bel Fuse 0678x surface mount fuses	Datasheet	3,097In Stock	Cut Tape $1.24 $1.15 $0.948 $0.759 Reel $0.567 View $0.713 $0.656 $0.562 $0.539	Min.: 1 Mult.: 1 : 2,000
Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 1.5A Silver Plating Tape and Reel (5000 pcs.) 0680H1500-05 Bel Fuse 1: $0.71 4,737In Stock	Mfr. Part No. 0680H1500-05 Mouser Part No 530-0680H1500-05	Bel Fuse	Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 1.5A Silver Plating Tape and Reel (5000 pcs.) Learn More about Bel Fuse 0680h brick fuses	Datasheet	4,737In Stock	Cut Tape $0.71 $0.653 $0.542 $0.50 View Reel $0.292 $0.45 $0.415 $0.383 $0.293 $0.292	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses Surface mount "Chip fuse" Silver Plated 0402 case size Fast Blow 315mA Tape and Reel (10000 pcs.) 0ABA-0315-TN Bel Fuse 1: $0.60 7,403In Stock	Mfr. Part No. 0ABA-0315-TN Mouser Part No 530-0ABA-0315-TN	Bel Fuse	Surface Mount Fuses Surface mount "Chip fuse" Silver Plated 0402 case size Fast Blow 315mA Tape and Reel (10000 pcs.) Learn More about Bel Fuse bel 0aba fast blow chip fuses	Datasheet	7,403In Stock	Cut Tape $0.60 $0.52 $0.466 $0.421 View Reel $0.28 $0.392 $0.352 $0.327 $0.317 $0.28 $0.28	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 0603 SMD Fuse. Slow Blow 3A 0ABB-3000-TM Bel Fuse 1: $0.86 12,587In Stock	Mfr. Part No. 0ABB-3000-TM Mouser Part No 530-0ABB-3000-TM	Bel Fuse	Surface Mount Fuses 0603 SMD Fuse. Slow Blow 3A Learn More about Bel Fuse 0abb time delay fuses	Datasheet	12,587In Stock	Cut Tape $0.86 $0.741 $0.652 $0.601 View Reel $0.379 $0.545 $0.502 $0.452 $0.393 $0.379	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses SMD Fuse. Fast Acting, 1.6A, 600Vdc 0ACJ-1600-TE Bel Fuse 1: $2.95 1,025In Stock	Mfr. Part No. 0ACJ-1600-TE Mouser Part No 530-0ACJ-1600-TE	Bel Fuse	Surface Mount Fuses SMD Fuse. Fast Acting, 1.6A, 600Vdc Learn More about Bel Fuse 0acj smd fuses	Datasheet	1,025In Stock	Cut Tape $2.95 $2.72 $2.26 $2.09 Reel $1.43 View $1.87 $1.57 $1.37 $1.31	Min.: 1 Mult.: 1 : 1,000
Fuses with Leads - Through Hole FUSE, CERAMIC TUBE 4A, 600VAC/600VDC 0ADAP4000-RE Bel Fuse 1: $3.87 1,251In Stock	Mfr. Part No. 0ADAP4000-RE Mouser Part No 530-0ADAP4000-RE	Bel Fuse	Fuses with Leads - Through Hole FUSE, CERAMIC TUBE 4A, 600VAC/600VDC	Datasheet	1,251In Stock	$3.87 $3.57 $2.97 $2.74 View $2.47 $1.90 $1.89 $1.77	Min.: 1 Mult.: 1
Surface Mount Fuses 1206 SMT Fuse VeryFast Acting 1.5A C1Q 1.5 Bel Fuse 1: $0.39 19,281In Stock	Mfr. Part No. C1Q 1.5 Mouser Part No 530-C1Q1.5	Bel Fuse	Surface Mount Fuses 1206 SMT Fuse VeryFast Acting 1.5A Learn More about Bel Fuse 0685 c1 fuses	Datasheet	19,281In Stock	Cut Tape $0.39 $0.352 $0.293 $0.27 View Reel $0.17 $0.243 $0.224 $0.207 $0.192 $0.17 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Power Outlet Strips PS66B PS66B Tripp Lite Restricted Availability	Mfr. Part No. PS66B Mouser Part No 545-PS66B	Tripp Lite	Power Outlet Strips PS66B Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
Cartridge Fuses 250V 4A 3.6X10 FA PT PB-FREE 0874004.MXEP Littelfuse 1: $2.93 1,193In Stock	Mfr. Part No. 0874004.MXEP Mouser Part No 576-0874004.MXEP	Littelfuse	Cartridge Fuses 250V 4A 3.6X10 FA PT PB-FREE Learn More about Littelfuse axial lead cartridge fuses	Datasheet	1,193In Stock	$2.93 $2.43 $2.24 $1.86 View $1.72 $1.54 $1.42 $1.26	Min.: 1 Mult.: 1
Cartridge Fuses 250V 1A 3.6X10 FA PT PB-FREE 0875001.MRET1P Littelfuse 1: $3.36 1,981In Stock	Mfr. Part No. 0875001.MRET1P Mouser Part No 576-0875001.MRET1P	Littelfuse	Cartridge Fuses 250V 1A 3.6X10 FA PT PB-FREE Learn More about Littelfuse battery management solutions	Datasheet	1,981In Stock	Cut Tape $3.36 $3.10 $2.57 $2.37 Reel $1.54 View $2.13 $1.97 $1.52	Min.: 1 Mult.: 1 : 1,000
Fuse Holder MINI Blade 0FHM0001HXGLO Littelfuse 1: $9.71 382In Stock	Mfr. Part No. 0FHM0001HXGLO Mouser Part No 576-0FHM0001HXGLO	Littelfuse	Fuse Holder MINI Blade Learn More about Littelfuse fhm in line fuse holders	Datasheet	382In Stock	$9.71 $8.06 $7.37 $6.11 View $5.07 $4.66 $4.52 $4.32	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 1000VDC 1AMP Midget 0SPF001.H Littelfuse 1: $21.86 143In Stock	Mfr. Part No. 0SPF001.H Mouser Part No 576-0SPF001.H	Littelfuse	Industrial & Electrical Fuses 1000VDC 1AMP Midget Learn More about Littelfuse 1000vdc spf	Datasheet	143In Stock	$21.86 $16.37 $14.98 $13.25 View $11.92 $11.49 $10.81 $9.99	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA54CA Littelfuse 1: $24.46 788In Stock	Mfr. Part No. 30KPA54CA Mouser Part No 576-30KPA54CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	788In Stock	Cut Tape $24.46 $17.86 $16.46 $16.43 View Reel $13.46 $13.48 $13.46 Quote	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode Axial 30KPA90CA-B Littelfuse 1: $19.11 175In Stock	Mfr. Part No. 30KPA90CA-B Mouser Part No 576-30KPA90CA-B	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode Axial Learn More about Littelfuse tvsdiodes	Datasheet	175In Stock	$19.11 $14.91 $13.47 $13.46	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD 380V BI AK1-380C-Y Littelfuse 1: $29.01 298In Stock	Mfr. Part No. AK1-380C-Y Mouser Part No 576-AK1-380C-Y	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 380V BI Learn More about Littelfuse tvsdiodes	Datasheet	298In Stock	$29.01 $21.37 $21.02 $21.01	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.5C MELF HM104J1A Littelfuse 1: $1.50 5,170In Stock	Mfr. Part No. HM104J1A Mouser Part No 576-HM104J1A	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.5C MELF Learn More about Littelfuse surface mount thermistors	Datasheet	5,170In Stock	$1.50 $1.37 $1.24 $1.19 View $1.16 $1.07 $1.01 $0.966 $0.892	Min.: 1 Mult.: 1
Industrial & Electrical Fuses .3A 600VAC 300VDC Slo-Blo KLDR.300TXP Littelfuse 1: $46.04 71In Stock	Mfr. Part No. KLDR.300TXP Mouser Part No 576-KLDR.300TXP	Littelfuse	Industrial & Electrical Fuses .3A 600VAC 300VDC Slo-Blo Learn More about Littelfuse industrial portfolio	Datasheet	71In Stock	$46.04 $38.20 $28.62 $25.59 View $22.83 $22.53 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED L50QS350.V Littelfuse 1: $134.11 56In Stock	Mfr. Part No. L50QS350.V Mouser Part No 576-L50QS350.V	Littelfuse	Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	56In Stock	$134.11 $109.11 $100.28 $91.05	Min.: 1 Mult.: 1
Triacs 600V 8A Sensing 10-10-10-20mA L6008L6TP Littelfuse 1: $3.49 1,575In Stock	Mfr. Part No. L6008L6TP Mouser Part No 576-L6008L6TP	Littelfuse	Triacs 600V 8A Sensing 10-10-10-20mA	Datasheet	1,575In Stock	$3.49 $1.98 $1.79 $1.72	Min.: 1 Mult.: 1
Triacs 400V 6A 25-25-25mA Q4006L4TP Littelfuse 1: $3.01 1,472In Stock	Mfr. Part No. Q4006L4TP Mouser Part No 576-Q4006L4TP	Littelfuse	Triacs 400V 6A 25-25-25mA	Datasheet	1,472In Stock	$3.01 $1.52 $1.37 $1.22	Min.: 1 Mult.: 1
Triacs 600V 12A 50-50-50 mA Q6012LH5TP Littelfuse 1: $3.81 1,471In Stock	Mfr. Part No. Q6012LH5TP Mouser Part No 576-Q6012LH5TP	Littelfuse	Triacs 600V 12A 50-50-50 mA Learn More about Littelfuse qtriac	Datasheet	1,471In Stock	$3.81 $2.08 $1.89 $1.84	Min.: 1 Mult.: 1
Triacs 600V 35A 50-50-50mA Q6035RH5TP Littelfuse 1: $6.04 738In Stock	Mfr. Part No. Q6035RH5TP Mouser Part No 576-Q6035RH5TP	Littelfuse	Triacs 600V 35A 50-50-50mA	Datasheet	738In Stock	$6.04 $3.23 $3.15	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection