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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.
Surface Mount Fuses FUSE 32V HIGH I2T 0603 TL 4A 0408004.WR Littelfuse 1: $1.67 2,078In Stock	Mfr. Part No. 0408004.WR Mouser Part No 576-0408004.WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 TL 4A Learn More about Littelfuse 408 series fuses	Datasheet	2,078In Stock	Cut Tape $1.67 $1.45 $1.35 $1.12 View Reel $0.649 $0.979 $0.913 $0.812 $0.748 $0.649 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ110A Littelfuse 1: $5.40 5,815In Stock	Mfr. Part No. TP5.0SMDJ110A Mouser Part No 576-TP5.0SMDJ110A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS Learn More about Littelfuse tp5 0smdj tvs diodes	Datasheet	5,815In Stock	Cut Tape $5.40 $3.14 $2.77 $2.45 $2.21 Reel $2.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 15ohm Y kink bulk BN-LG10Y150MYB Bourns 1: $0.411 15,058In Stock	Mfr. Part No. BN-LG10Y150MYB Mouser Part No 652-BN-LG10Y150MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 15ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	15,058In Stock	$0.411 $0.368 $0.322 $0.283 View $0.264 $0.24 $0.226	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 120ohm Y kink bulk BN-LG20Y121MYB Bourns 1: $1.62 4,496In Stock	Mfr. Part No. BN-LG20Y121MYB Mouser Part No 652-BN-LG20Y121MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 120ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	4,496In Stock	$1.62 $1.23 $1.09 $0.983 View $0.935 $0.922 $0.811 $0.768 $0.713	Min.: 1 Mult.: 1
Connectorised Surge Protectors Combined Ethernet Surge Protective Device (SPD) and POE 48V injector/splitter MSP-VM48/RINJ Citel 1: $153.61 20In Stock	Mfr. Part No. MSP-VM48/RINJ Mouser Part No 703-MSP-VM48/RINJ	Citel	Connectorised Surge Protectors Combined Ethernet Surge Protective Device (SPD) and POE 48V injector/splitter Learn More about Citel surge suppressors	Datasheet	20In Stock	$153.61 $127.36 $120.20 $120.16 View $120.13 $91.96 Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W,16V 5%, DFN3820A TVS 6DFN16A-M3/I Vishay Semiconductors 1: $0.72 27,820In Stock	Mfr. Part No. 6DFN16A-M3/I Mouser Part No 78-6DFN16A-M3/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,16V 5%, DFN3820A TVS Learn More about Vishay Semiconductors vishay 6dfn12a to 6dfn51a tvs diodes	Datasheet	27,820In Stock	Cut Tape $0.72 $0.347 $0.284 $0.216 Reel $0.151 View $0.188 $0.166 $0.152 $0.133	Min.: 1 Mult.: 1 : 14,000
ESD Protection Diodes / TVS Diodes 600W,24V 5%, DFN3820A TVS 6DFN24A-M3/I Vishay Semiconductors 1: $0.72 26,751In Stock	Mfr. Part No. 6DFN24A-M3/I Mouser Part No 78-6DFN24A-M3/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,24V 5%, DFN3820A TVS Learn More about Vishay Semiconductors vishay 6dfn12a to 6dfn51a tvs diodes	Datasheet	26,751In Stock	Cut Tape $0.72 $0.442 $0.284 $0.216 View Reel $0.129 $0.188 $0.166 $0.152 $0.129	Min.: 1 Mult.: 1 : 14,000
ESD Protection Diodes / TVS Diodes 600W,33V 5%, DFN3820A TVS 6DFN33A-M3/I Vishay Semiconductors 1: $0.72 27,287In Stock	Mfr. Part No. 6DFN33A-M3/I Mouser Part No 78-6DFN33A-M3/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,33V 5%, DFN3820A TVS Learn More about Vishay Semiconductors vishay 6dfn12a to 6dfn51a tvs diodes	Datasheet	27,287In Stock	Cut Tape $0.72 $0.347 $0.284 $0.216 View Reel $0.152 $0.188 $0.166 $0.152 $0.152	Min.: 1 Mult.: 1 : 14,000
ESD Protection Diodes / TVS Diodes MSMP - A 8V MSMP8.0AHM3/H Vishay Semiconductors 1: $0.40 44,805In Stock	Mfr. Part No. MSMP8.0AHM3/H Mouser Part No 78-MSMP8.0AHM3/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes MSMP - A 8V Learn More about Vishay Semiconductors vishay transzorb suppressors	Datasheet	44,805In Stock	Cut Tape $0.40 $0.178 $0.155 $0.116 Reel $0.067 View $0.092 $0.079 $0.062 $0.059 MouseReel Available	Min.: 1 Mult.: 1 : 4,500
NTC (Negative Temperature Coefficient) Thermistors 10KOHM 2% 3988K LEAD FREE B57850T0103G000 TDK 1: $4.57 5,968In 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	5,968In Stock	$4.57 $4.11 $3.92 $3.71 View $3.57 $3.44 $3.43 $3.17 $3.08	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 4-Line 3.3V 0.3pF ESD SMF2510N10 Z-Ultra RCLAMP03354P.C Semtech 1: $1.19 10,819In Stock	Mfr. Part No. RCLAMP03354P.C Mouser Part No 947-RCLAMP03354P.C	Semtech	ESD Protection Diodes / TVS Diodes 4-Line 3.3V 0.3pF ESD SMF2510N10 Z-Ultra Learn More about Semtech hdmi esd protection	Datasheet	10,819In Stock	Cut Tape $1.19 $0.679 $0.583 $0.461 Reel $0.347 View $0.411 $0.33 $0.317 $0.314 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 32V HIGH I2T 0603 TL 7A 0408007.WR Littelfuse 1: $1.77 2,454In Stock	Mfr. Part No. 0408007.WR Mouser Part No 576-0408007.WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 TL 7A Learn More about Littelfuse 408 series fuses	Datasheet	2,454In Stock	Cut Tape $1.77 $1.48 $1.38 $1.14 View Reel $0.713 $1.03 $0.928 $0.854 $0.786 $0.713 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
SCRs 12 Amp High Temperature High dvdt SCR-TO252 SV8012DRP Littelfuse 1: $1.22 2,289In Stock	Mfr. Part No. SV8012DRP Mouser Part No 576-SV8012DRP	Littelfuse	SCRs 12 Amp High Temperature High dvdt SCR-TO252 Learn More about Littelfuse sv8012x scrs	Datasheet	2,289In Stock	Cut Tape $1.22 Reel $1.22 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ43CA Littelfuse 1: $4.36 4,681In Stock	Mfr. Part No. TP5.0SMDJ43CA Mouser Part No 576-TP5.0SMDJ43CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS Learn More about Littelfuse tp5 0smdj tvs diodes	Datasheet	4,681In Stock	Cut Tape $4.36 $2.36 $2.15 $1.81 $1.66 Reel $1.55 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 16ohm Y kink bulk BN-LG10Y160MYB Bourns 1: $0.561 9,998In Stock	Mfr. Part No. BN-LG10Y160MYB Mouser Part No 652-BN-LG10Y160MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 16ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	9,998In Stock	$0.561 $0.483 $0.397 $0.326 View $0.283 $0.276 $0.245 $0.244	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 220ohm Y kink bulk BN-LG15Y221MYB Bourns 1: $0.95 11,948In Stock	Mfr. Part No. BN-LG15Y221MYB Mouser Part No 652-BN-LG15Y221MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 220ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	11,948In Stock	$0.95 $0.722 $0.622 $0.60 View $0.512 $0.445 $0.404 $0.369	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes RSDT 22V RSDT27RSMTFTL1 ROHM Semiconductor 1: $2.50 7,800In Stock	Mfr. Part No. RSDT27RSMTFTL1 Mouser Part No 755-RSDT27RSMTFTL1	ROHM Semiconductor	ESD Protection Diodes / TVS Diodes RSDT 22V Learn More about ROHM Semiconductor rohm rsdtxnsfh tvs	Datasheet	7,800In Stock	Cut Tape $2.50 $1.33 $1.09 $0.933 View Reel $0.759 $0.848 $0.807 $0.759 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 600W,30V 5%, DFN3820A TVS 6DFN30A-M3/I Vishay Semiconductors 1: $0.72 27,517In Stock	Mfr. Part No. 6DFN30A-M3/I Mouser Part No 78-6DFN30A-M3/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,30V 5%, DFN3820A TVS Learn More about Vishay Semiconductors vishay 6dfn12a to 6dfn51a tvs diodes	Datasheet	27,517In Stock	Cut Tape $0.72 $0.442 $0.284 $0.216 Reel $0.145 View $0.188 $0.166 $0.152 $0.131	Min.: 1 Mult.: 1 : 14,000
ESD Protection Diodes / TVS Diodes 28V 1000W UniDir TransZorb 5% Tol SMBJ28A Vishay Semiconductors 1: $0.49 53,245In Stock	Mfr. Part No. SMBJ28A Mouser Part No 78-SMBJ28A	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 28V 1000W UniDir TransZorb 5% Tol Learn More about Vishay Semiconductors vishay smbjxxd tvs	Datasheet	53,245In Stock	Cut Tape $0.49 $0.336 $0.19 $0.15 Reel $0.126 View $0.107 $0.102 $0.092 $0.083 MouseReel Available	Min.: 1 Mult.: 1 : 750
NTC (Negative Temperature Coefficient) Thermistors 10KOHM 1% 3988K LEAD FREE B57850T0103F000 TDK 1: $5.12 11,042In 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	11,042In Stock	$5.12 $4.59 $4.40 $4.18 View $4.01 $3.87 $3.86 $3.58 $3.47	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1-Line 5V 5pF 0.15 Ohms ESD UCLAMP5011Z2CTKT Semtech 1: $0.29 225,415In Stock	Mfr. Part No. UCLAMP5011Z2CTKT Mouser Part No 947-UCLAMP5011Z2CTKT	Semtech	ESD Protection Diodes / TVS Diodes 1-Line 5V 5pF 0.15 Ohms ESD	Datasheet	225,415In Stock	Cut Tape $0.29 $0.126 $0.11 $0.081 View Reel $0.04 $0.065 $0.057 $0.051 $0.044 $0.04 MouseReel Available	Min.: 1 Mult.: 1 : 20,000
Automotive Fuses 200A 32VDC Limiter Fuse 0CNL200.V Littelfuse 1: $40.07 916In Stock	Mfr. Part No. 0CNL200.V Mouser Part No 576-0CNL200.V	Littelfuse	Automotive Fuses 200A 32VDC Limiter Fuse	Datasheet	916In Stock	$40.07 $33.24 $21.96 $19.60 $19.29	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.00A 1206L300SLTHYR Littelfuse 1: $1.88 45,505In Stock	Mfr. Part No. 1206L300SLTHYR Mouser Part No 576-1206L300SLTHYR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.00A Learn More about Littelfuse lorho	Datasheet	45,505In Stock	Cut Tape $1.88 $1.70 $1.44 $1.29 View Reel $1.05 $1.16 $1.08 $1.05 $1.05 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Fuse Holder CLASS G FUSE BLOCK 480V 60A 3 POLE LFG480603CDINR Littelfuse 1: $92.19 417In Stock	Mfr. Part No. LFG480603CDINR Mouser Part No 576-LFG480603CDINR	Littelfuse	Fuse Holder CLASS G FUSE BLOCK 480V 60A 3 POLE	Datasheet	417In Stock	$92.19 $76.26 $70.20	Min.: 1 Mult.: 1
Thyristor Surge Protection Devices - TSPD SIDACtor Bi 350V 3000A DO214AB RoHS P3800S3NLRP Littelfuse 1: $6.59 5,873In Stock	Mfr. Part No. P3800S3NLRP Mouser Part No 576-P3800S3NLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD SIDACtor Bi 350V 3000A DO214AB RoHS Learn More about Littelfuse px0s3n	Datasheet	5,873In Stock	Cut Tape $6.59 $4.43 $3.20 $3.04 $2.84 Reel $2.84 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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