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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 (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting KLKR002.T Littelfuse 1: $36.95 1,095In Stock	Mfr. Part No. KLKR002.T Mouser Part No 576-KLKR002.T	Littelfuse	Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting Learn More about Littelfuse protection products for panels	Datasheet	1,095In Stock	$36.95 $33.05 $33.03 $27.36 View $25.21 $22.62 $20.81	Min.: 1 Mult.: 1
Thermal Cut-offs Metal Hybrid PPTC MHP-TAM6-9-72 Littelfuse 1: $1.84 19,128In Stock	Mfr. Part No. MHP-TAM6-9-72 Mouser Part No 650-MHP-TAM6-9-72	Littelfuse	Thermal Cut-offs Metal Hybrid PPTC Learn More about Littelfuse mhp tam	Datasheet	19,128In Stock	$1.84 $1.62 $1.55 $1.46 View $1.39 $1.32 $1.26 $1.15 $1.05	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 3% NTCGP3JH103HCZCCA TDK 1: $9.07 8,872In Stock	Mfr. Part No. NTCGP3JH103HCZCCA Mouser Part No 810-NTCGP3JH103HCZCC	TDK	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 3% Learn More about TDK ntcgp temperature sensors	Datasheet	8,872In Stock	$9.07 $8.17 $7.83 $7.44 View $7.17 $6.92 $6.91 $6.42 $6.22	Min.: 1 Mult.: 1
Varistors 460VAC 10% 4032mm B72660M0461K093 TDK 1: $1.46 49,178In Stock	Mfr. Part No. B72660M0461K093 Mouser Part No 871-B72660M0461K093	TDK	Varistors 460VAC 10% 4032mm Learn More about TDK epcosvaristors	Datasheet	49,178In Stock	$1.46 $1.06 $0.879 $0.843 View $0.813 $0.777 $0.755 $0.748 Quote	Min.: 1 Mult.: 1
Surface Mount Fuses 1206 high-current met-foil. 20A SF-1206HH2000R-2 Bourns 1: $0.884 9,857In Stock	Mfr. Part No. SF-1206HH2000R-2 Mouser Part No 652-SF-1206HH2000R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 20A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	9,857In Stock	Cut Tape $0.884 $0.707 $0.593 $0.543 Reel $0.422 View $0.513 $0.491 $0.464 $0.397 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 1206 high-current met-foil. 30A SF-1206HH3000R-2 Bourns 1: $0.83 8,941In Stock	Mfr. Part No. SF-1206HH3000R-2 Mouser Part No 652-SF-1206HH3000R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 30A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	8,941In Stock	Cut Tape $0.83 $0.733 $0.628 $0.575 Reel $0.431 View $0.544 $0.526 $0.506 $0.407 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 1206 high-current met-foil. 20A Auto SF-1206HHA2000R-2 Bourns 1: $1.43 10,836In Stock	Mfr. Part No. SF-1206HHA2000R-2 Mouser Part No 652-SF-1206HHA2000R2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 20A Auto Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	10,836In Stock	Cut Tape $1.43 $0.877 $0.752 $0.694 Reel $0.511 View $0.634 $0.607 $0.586 $0.51 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 1206 high-current met-foil. 30A Auto SF-1206HHA3000R-2 Bourns 1: $1.43 11,570In Stock	Mfr. Part No. SF-1206HHA3000R-2 Mouser Part No 652-SF-1206HHA3000R2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 30A Auto Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	11,570In Stock	Cut Tape $1.43 $1.21 $1.01 $0.906 Reel $0.635 View $0.815 $0.751 $0.692 $0.604 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V GDT35-35-S1-RP Bourns 1: $2.42 1,571In Stock	Mfr. Part No. GDT35-35-S1-RP Mouser Part No 652-GDT35-35-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V Learn More about Bourns gdt35	Datasheet	1,571In Stock	Cut Tape $2.42 $2.23 $1.85 $1.71 Reel $1.23 View $1.54 $1.41 $1.14 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V GDT35-42-S1-RP Bourns 1: $2.42 1,950In Stock	Mfr. Part No. GDT35-42-S1-RP Mouser Part No 652-GDT35-42-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V Learn More about Bourns gdt35	Datasheet	1,950In Stock	Cut Tape $2.42 $2.23 $1.85 $1.71 Reel $1.21 View $1.54 $1.41 $1.14 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V GDT35-47-S1-RP Bourns 1: $2.42 1,682In Stock	Mfr. Part No. GDT35-47-S1-RP Mouser Part No 652-GDT35-47-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V Learn More about Bourns gdt35	Datasheet	1,682In Stock	Cut Tape $2.42 $2.23 $1.85 $1.71 Reel $1.21 View $1.54 $1.41 $1.14 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
NTC (Negative Temperature Coefficient) Thermistors 10KOHM 1% 3988K LEAD FREE B57850T0103F000 TDK 1: $6.96 11,033In Stock	Mfr. Part No. B57850T0103F000 Mouser Part No 871-B57850T103F000	TDK	NTC (Negative Temperature Coefficient) Thermistors 10KOHM 1% 3988K LEAD FREE Learn More about TDK epcos t850 ntc thermistors	Datasheet	11,033In Stock	$6.96 $6.24 $5.98 $5.67 View $5.45 $5.26 $4.87 $4.72	Min.: 1 Mult.: 1
Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (12)5-20R, NEMA L5-20P 3W-3M, BLACK E12B30M Panduit 1: $310.58 7In Stock New Product	Mfr. Part No. E12B30M Mouser Part No 644-E12B30M New Product	Panduit	Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (12)5-20R, NEMA L5-20P 3W-3M, BLACK Learn More about Panduit es2p pdus	Datasheet	7In Stock	$310.58 $288.67 $280.39 $274.23 View Quote	Min.: 1 Mult.: 1
Power Outlet Strips ES2P Basic PDU, 30 (24) AMP, (12)C13, NEMA L6-30P 3W-3M, BLACK E12B47M Panduit 1: $441.39 1In Stock 9Expected 30/11/2026 New Product	Mfr. Part No. E12B47M Mouser Part No 644-E12B47M New Product	Panduit	Power Outlet Strips ES2P Basic PDU, 30 (24) AMP, (12)C13, NEMA L6-30P 3W-3M, BLACK Learn More about Panduit es2p pdus	Datasheet	1In Stock 9Expected 30/11/2026	$441.39 $424.44 $417.90 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD 20V BI PGB2010201KR-15NR Littelfuse 1: $1.67 15,000In Stock	Mfr. Part No. PGB2010201KR-15NR Mouser Part No 576-PGB2010201KR15NR	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 20V BI Learn More about Littelfuse pgb2 0201 esd suppressors	Datasheet	15,000In Stock	Cut Tape $1.67 $0.771 $0.683 $0.528 View Reel $0.322 $0.506 $0.484 $0.476 $0.344 $0.322	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS SP4338-02WTG Littelfuse 1: $1.01 60,258In Stock	Mfr. Part No. SP4338-02WTG Mouser Part No 576-SP4338-02WTG	Littelfuse	ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS Learn More about Littelfuse sp4338 02wtg tvs	Datasheet	60,258In Stock	Cut Tape $1.01 $0.454 $0.40 $0.303 Reel $0.166 View $0.276 $0.272 $0.163 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 1206 high-current met-foil. 12A SF-1206HH1200R-2 Bourns 1: $1.85 10,844In Stock	Mfr. Part No. SF-1206HH1200R-2 Mouser Part No 652-SF-1206HH1200R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 12A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	10,844In Stock	Cut Tape $1.85 $0.793 $0.745 $0.71 Reel $0.571 View $0.673 $0.428 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC (Negative Temperature Coefficient) Thermistors 10KOHM 2% 3988K LEAD FREE B57850T0103G000 TDK 1: $6.22 5,967In Stock	Mfr. Part No. B57850T0103G000 Mouser Part No 871-B57850T103G000	TDK	NTC (Negative Temperature Coefficient) Thermistors 10KOHM 2% 3988K LEAD FREE Learn More about TDK epcos t850 ntc thermistors	Datasheet	5,967In Stock	$6.22 $5.58 $5.33 $5.05 View $4.86 $4.68 $4.32 $4.19	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode 20KPA300CA Littelfuse 1: $25.30 4,078In Stock	Mfr. Part No. 20KPA300CA Mouser Part No 576-20KPA300CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode Learn More about Littelfuse tvsdiodes	Datasheet	4,078In Stock	Cut Tape $25.30 $20.79 $19.77 $19.56 $18.81 Reel $18.24	Min.: 1 Mult.: 1 : 800
NTC (Negative Temperature Coefficient) Thermistors 703/10 K/A 17 2% B57703M0103A017 TDK 1: $4.56 17,499In Stock	Mfr. Part No. B57703M0103A017 Mouser Part No 871-B57703M0103A017	TDK	NTC (Negative Temperature Coefficient) Thermistors 703/10 K/A 17 2% Learn More about TDK epcos ntc thermistors	Datasheet	17,499In Stock	$4.56 $4.37 $4.12 $3.96 View $3.67 $3.66 $3.45 $3.36 $3.11	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA132CA Littelfuse 1: $33.58 1,569In Stock	Mfr. Part No. 30KPA132CA Mouser Part No 576-30KPA132CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	1,569In Stock	Cut Tape $33.58 $24.33 $22.41 $20.94 Reel $20.93	Min.: 1 Mult.: 1 : 800
Circuit Breakers CBMC E4 24DC/1-4A NO 2906031 Phoenix Contact 1: $158.15 136In Stock	Mfr. Part No. 2906031 Mouser Part No 651-2906031	Phoenix Contact	Circuit Breakers CBMC E4 24DC/1-4A NO Learn More about Phoenix Contact cbmc circuit breakers	Datasheet	136In Stock	$158.15	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors PTC 10Kohms 1% Linear Vishay / Dale TFPT1206L1002FM TFPT1206L1002FM Vishay / Dale 1: $1.17 31,320In Stock	Mfr. Part No. TFPT1206L1002FM Mouser Part No 71-TFPT1206L1002FM	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors PTC 10Kohms 1% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	31,320In Stock	Cut Tape $1.17 $1.10 $1.03 $0.981 View Reel $0.66 $0.938 $0.937 $0.816 $0.759 $0.66 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V PEC11SD03S1Q_R1_00301 Panjit 1: $0.435 34,620In Stock	Mfr. Part No. PEC11SD03S1Q_R1_00301 Mouser Part No 241-PEC11SD03S1QR131	Panjit	ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V	Datasheet	34,620In Stock	Cut Tape $0.435 $0.193 $0.169 $0.124 Reel $0.076 View $0.122 $0.117 $0.065 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 1206 high-current met-foil. 8A Auto SF-1206HHA800R-2 Bourns 1: $1.43 7,963In Stock	Mfr. Part No. SF-1206HHA800R-2 Mouser Part No 652-SF-1206HHA800R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 8A Auto Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	7,963In Stock	Cut Tape $1.43 $1.21 $1.01 $0.906 Reel $0.638 View $0.815 $0.787 $0.781 $0.605 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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Circuit Protection

Types of Circuit Protection