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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports 1315B8H-RACK-PDU StarTech 1: $160.50 5In Stock New Product	Mfr. Part # 1315B8H-RACK-PDU Mouser Part # 179-1315B8HRACKPDU New Product	StarTech	Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports	Datasheet	5In Stock	$160.50 $141.01 $136.00 $135.98 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS 4SMF10CA-M3/I Vishay Semiconductors 1: $0.49 7,927In Stock New Product	Mfr. Part # 4SMF10CA-M3/I Mouser Part # 78-4SMF10CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS	Datasheet	7,927In Stock	Cut Tape $0.49 $0.338 $0.166 $0.138 Reel $0.07 View $0.096 $0.084 $0.08 $0.063	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS 4SMF20CA-M3/I Vishay Semiconductors 1: $0.49 7,871In Stock New Product	Mfr. Part # 4SMF20CA-M3/I Mouser Part # 78-4SMF20CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS	Datasheet	7,871In Stock	Cut Tape $0.49 $0.338 $0.166 $0.138 Reel $0.07 View $0.096 $0.084 $0.08 $0.063	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,26V5%,SMFBIDIRTVS 4SMF26CA-M3/I Vishay Semiconductors 1: $0.50 19,234In Stock New Product	Mfr. Part # 4SMF26CA-M3/I Mouser Part # 78-4SMF26CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,26V5%,SMFBIDIRTVS	Datasheet	19,234In Stock	Cut Tape $0.50 $0.351 $0.172 $0.144 Reel $0.072 View $0.10 $0.087 $0.083 $0.065	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL AK8-450C-FB Littelfuse 1: $138.26 4In Stock 56Expected 12/15/2026 New Product	Mfr. Part # AK8-450C-FB Mouser Part # 576-AK8-450C-FB New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL Learn More about Littelfuse ak8 fb tvs diodes	Datasheet	4In Stock 56Expected 12/15/2026	$138.26 $122.68	Min.: 1 Mult.: 1
NTC Thermistors NTC LUG M5 10k 1% G24 64mm A NTCALUG54A103F640A Vishay / BC Components 1: $3.09 320In Stock New Product	Mfr. Part # NTCALUG54A103F640A Mouser Part # 594-NTCALUG54A103F6 New Product	Vishay / BC Components	NTC Thermistors NTC LUG M5 10k 1% G24 64mm A	Datasheet	320In Stock	$3.09 $2.32 $2.07 $1.96 View $1.91 $1.90 $1.65 $1.61 $1.55	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS 4SMF58CAHM3/I Vishay Semiconductors 1: $0.59 6,969In Stock New Product	Mfr. Part # 4SMF58CAHM3/I Mouser Part # 78-4SMF58CAHM3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS	Datasheet	6,969In Stock	Cut Tape $0.59 $0.366 $0.234 $0.175 Reel $0.102 View $0.141 $0.122 $0.12 $0.096	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS 4SMF24CA-M3/I Vishay Semiconductors 1: $0.50 7,463In Stock 20,000On Order New Product	Mfr. Part # 4SMF24CA-M3/I Mouser Part # 78-4SMF24CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS	Datasheet	7,463In Stock 20,000On Order On Order Ship Dates Mfr. #: 4SMF24CA-M3/I Stock: 7,463 Can Ship Immediately On Order: 10,000 Expected 11/9/2026 10,000 Expected 11/25/2026 Factory Lead-Time: 10 Weeks	Cut Tape $0.50 $0.351 $0.172 $0.144 Reel $0.072 View $0.10 $0.087 $0.083 $0.065	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 3KA 430V BI AK3-430C-A Littelfuse 1: $97.60 4In Stock 56Expected 2/1/2027 New Product	Mfr. Part # AK3-430C-A Mouser Part # 576-AK3-430C-A New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 3KA 430V BI Learn More about Littelfuse ak3 a tvs diodes	Datasheet	4In Stock 56Expected 2/1/2027	$97.60 $86.60 $85.72	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS 4SMF17CA-M3/I Vishay Semiconductors 1: $0.49 7,840In Stock New Product	Mfr. Part # 4SMF17CA-M3/I Mouser Part # 78-4SMF17CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS	Datasheet	7,840In Stock	Cut Tape $0.49 $0.338 $0.166 $0.138 Reel $0.07 View $0.096 $0.084 $0.08 $0.063	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS 4SMF18CA-M3/I Vishay Semiconductors 1: $0.49 7,632In Stock New Product	Mfr. Part # 4SMF18CA-M3/I Mouser Part # 78-4SMF18CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS	Datasheet	7,632In Stock	Cut Tape $0.49 $0.338 $0.166 $0.138 Reel $0.07 View $0.096 $0.084 $0.08 $0.063	Min.: 1 Mult.: 1 : 10,000
Industrial Surge Protectors SPD 120V Single Phase 36kA SDSA05 Square D 1: $110.00 7In Stock New Product	Mfr. Part # SDSA05 Mouser Part # 996-SDSA05 New Product	Square D	Industrial Surge Protectors SPD 120V Single Phase 36kA Learn More about Square D sdsa surge protective devices	Datasheet	7In Stock	$110.00	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - DFN1006-2L,Bi,5V PEC3205M1Q-AU_R1_005A1 Panjit 1: $0.11 17,959In Stock New Product	Mfr. Part # PEC3205M1Q-AU_R1_005A1 Mouser Part # 241-PEC3205M1QAUR15A New Product	Panjit	ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - DFN1006-2L,Bi,5V	Datasheet	17,959In Stock	Cut Tape $0.11 $0.077 $0.038 $0.032 View Reel $0.018 $0.024 $0.021 $0.018 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS 4SMF16CA-M3/I Vishay Semiconductors 1: $0.49 7,916In Stock New Product	Mfr. Part # 4SMF16CA-M3/I Mouser Part # 78-4SMF16CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS	Datasheet	7,916In Stock	Cut Tape $0.49 $0.338 $0.166 $0.138 Reel $0.07 View $0.096 $0.084 $0.08 $0.063	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes TVS 5KW 18V 5%UNI DO-214AB TR13 RoHS Littelfuse 5.0SMDJ18A-E 5.0SMDJ18A-E Littelfuse 1: $2.80 3,000In Stock New Product	Mfr. Part # 5.0SMDJ18A-E Mouser Part # 576-5.0SMDJ18AE New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW 18V 5%UNI DO-214AB TR13 RoHS	Datasheet	3,000In Stock	Cut Tape $2.80 $1.80 $1.46 $1.23 $1.00 Reel $0.85	Min.: 1 Mult.: 1 : 3,000
NTC Thermistors NTC SMD 0603 10kO 3% B25/50 3380K BTN06G103H3HF1T0A Bourns 1: $0.13 8,000In Stock New Product	Mfr. Part # BTN06G103H3HF1T0A Mouser Part # 652-BTN06103H3HF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 10kO 3% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	8,000In Stock	Cut Tape $0.13 $0.115 $0.101 $0.083 Reel $0.062 View $0.073 $0.069 $0.059 $0.057 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0603 47kO 2% B25/50 4050K BTN06G473G4AF1T00 Bourns 1: $0.13 7,997In Stock New Product	Mfr. Part # BTN06G473G4AF1T00 Mouser Part # 652-BTN064734AF1T00 New Product	Bourns	NTC Thermistors NTC SMD 0603 47kO 2% B25/50 4050K Learn More about Bourns btn06g ntc thermistors	Datasheet	7,997In Stock	Cut Tape $0.13 $0.118 $0.104 $0.085 Reel $0.064 View $0.075 $0.071 $0.061 $0.059 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 15V, Uni-directional, 20A-80A SVS1571P3UU.N Semtech 1: $0.69 8,000In Stock New Product	Mfr. Part # SVS1571P3UU.N Mouser Part # 947-SVS1571P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 15V, Uni-directional, 20A-80A		8,000In Stock	Cut Tape $0.69 $0.43 $0.275 $0.205 Reel $0.119 View $0.166 $0.143 $0.141 $0.113 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL AK10-550C-FL Littelfuse 1: $170.79 1In Stock 56Expected 12/9/2026 New Product	Mfr. Part # AK10-550C-FL Mouser Part # 576-AK10-550C-FL New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL Learn More about Littelfuse ak fl tvs diodes	Datasheet	1In Stock 56Expected 12/9/2026	$170.79 $151.54	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A ESR3XLUB0315XI Littelfuse 1: $584.46 2In Stock 1Expected 11/16/2026 New Product	Mfr. Part # ESR3XLUB0315XI Mouser Part # 576-ESR3XLUB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	2In Stock 1Expected 11/16/2026	$584.46 $479.91 $436.72	Min.: 1 Mult.: 1
NTC Thermistors NTC SMD 0603 100kO 3% B25/50 4250K BTN06G104H4EF1T0A Bourns 1: $0.16 7,990In Stock New Product	Mfr. Part # BTN06G104H4EF1T0A Mouser Part # 652-BTN06104H4EF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 100kO 3% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	7,990In Stock	Cut Tape $0.16 $0.141 $0.124 $0.099 Reel $0.075 View $0.087 $0.083 $0.072 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0805 10K B25/85 3970 BTN08G103H3VF2T00 Bourns 1: $0.17 2,800In Stock New Product	Mfr. Part # BTN08G103H3VF2T00 Mouser Part # 652-TN08G103H3VF2T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 10K B25/85 3970 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape $0.17 $0.148 $0.13 $0.104 Reel $0.078 View $0.091 $0.087 $0.075 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0805 100K B25/50 4250 BTN08G104F4EF1T00 Bourns 1: $0.17 2,800In Stock New Product	Mfr. Part # BTN08G104F4EF1T00 Mouser Part # 652-TN08G104F4EF1T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 100K B25/50 4250 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape $0.17 $0.148 $0.137 $0.109 Reel $0.065 View $0.10 $0.084 $0.076 $0.062 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0805 100K B25/85 4100 BTN08G104F4BF2T00 Bourns 1: $0.17 2,100In Stock New Product	Mfr. Part # BTN08G104F4BF2T00 Mouser Part # 652-TN08G104F4F2T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 100K B25/85 4100 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,100In Stock	Cut Tape $0.17 $0.148 $0.13 $0.104 Reel $0.078 View $0.091 $0.087 $0.075 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0805 100K B25/50 4250 BTN08G104J4EH1T00 Bourns 1: $0.16 2,800In Stock New Product	Mfr. Part # BTN08G104J4EH1T00 Mouser Part # 652-TN08G104J4EH1T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 100K B25/50 4250 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape $0.16 $0.141 $0.13 $0.103 Reel $0.062 View $0.095 $0.08 $0.072 $0.058 MouseReel Available	Min.: 1 Mult.: 1 : 4,000

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Circuit Protection

Types of Circuit Protection