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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.
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors TG30-A90XSMD B88069X9991T203 TDK 1: $2.38 12,736In Stock	Mfr. Part No. B88069X9991T203 Mouser Part No 871-B88069X9991T203	TDK	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors TG30-A90XSMD	Datasheet	12,736In Stock	Cut Tape $2.38 $2.20 $1.82 $1.68 Reel $1.12 View $1.51 $1.39 $1.35 $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
ESD Protection Diodes / TVS Diodes 8-Line TVS Array Low Capacitance RCLAMP0508M.TBT Semtech 1: $4.15 34,156In Stock	Mfr. Part No. RCLAMP0508M.TBT Mouser Part No 947-RCLAMP0508M.TBT	Semtech	ESD Protection Diodes / TVS Diodes 8-Line TVS Array Low Capacitance Learn More about Semtech tvs esd suppressors	Datasheet	34,156In Stock	Cut Tape $4.15 $2.58 $2.11 $1.63 Reel $1.49 View $1.36 $1.33 MouseReel Available	Min.: 1 Mult.: 1 : 500
SCRs 12 Amp High Temperature High dvdt SCR-TO252 SV8012DRP Littelfuse 1: $3.48 2,239In 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	2,239In Stock	Cut Tape $3.48 $2.27 $1.58 $1.29 Reel $1.22 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Zen TVS 5000W 28V Bi DO-214AB TR13 SZ5KASMC28CAT3G Littelfuse 1: $3.92 3,818In Stock	Mfr. Part No. SZ5KASMC28CAT3G Mouser Part No 576-SZ5KASMC28CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 5000W 28V Bi DO-214AB TR13 Learn More about Littelfuse sz5kasmc tvs diodes	Datasheet	3,818In Stock	Cut Tape $3.92 $2.57 $2.16 $1.87 Reel $1.49 View $1.58 $1.49 $1.45 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ43CA Littelfuse 1: $4.60 4,680In 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	4,680In Stock	Cut Tape $4.60 $3.04 $2.36 $2.14 Reel $1.52 View $1.81 $1.66 $1.47 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS SURF MT 600W 219V DO214AA AEQ101 T&R TPSMB219A Littelfuse 1: $1.26 5,920In Stock	Mfr. Part No. TPSMB219A Mouser Part No 576-TPSMB219A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS SURF MT 600W 219V DO214AA AEQ101 T&R Learn More about Littelfuse tpsmb tvs diodes	Datasheet	5,920In Stock	Cut Tape $1.26 $0.584 $0.519 $0.402 Reel $0.29 View $0.264 $0.248 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: $0.56 9,994In 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	9,994In Stock	$0.56 $0.491 $0.396 $0.326 View $0.283 $0.275 $0.245 $0.227	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 220ohm Y kink bulk BN-LG15Y221MYB Bourns 1: $0.95 11,898In 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	11,898In Stock	$0.95 $0.722 $0.622 $0.60 View $0.512 $0.445 $0.403 $0.369	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1.5KW,480V 5%,UNIDIR,SMC TVS 1.5SMC480AHM3_B/I Vishay Semiconductors 1: $2.16 6,273In Stock	Mfr. Part No. 1.5SMC480AHM3_B/I Mouser Part No 78-1.5SMC480AHM3_B/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1.5KW,480V 5%,UNIDIR,SMC TVS Learn More about Vishay Semiconductors vishay 1point5smc tvs diodes	Datasheet	6,273In Stock	Cut Tape $2.16 $1.38 $1.11 $0.926 Reel $0.584 View $0.744 $0.664 $0.608 $0.537 MouseReel Available	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes 28V 1000W UniDir TransZorb 5% Tol SMBJ28A Vishay Semiconductors 1: $0.60 52,241In 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	52,241In Stock	Cut Tape $0.60 $0.373 $0.238 $0.178 Reel $0.143 View $0.123 $0.121 $0.103 $0.098 MouseReel Available	Min.: 1 Mult.: 1 : 750
PTC (Positive Temperature Coefficient) Thermistors 35ohms 10A 410V 30% Vishay / Cera-Mite PTC305C20 PTC305C20 Vishay / Cera-Mite 1: $16.00 537In Stock	Mfr. Part No. PTC305C20 Mouser Part No 75-PTC305C20	Vishay / Cera-Mite	PTC (Positive Temperature Coefficient) Thermistors 35ohms 10A 410V 30%	Datasheet	537In Stock	$16.00 $14.14 $12.67 $12.00 View $11.11 $10.34 $10.32 $9.66 $9.05	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5W,33V 5%,SMD PAR SM5S33AHM3/I Vishay Semiconductors 1: $4.69 1,500In Stock	Mfr. Part No. SM5S33AHM3/I Mouser Part No 78-SM5S33AHM3/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 5W,33V 5%,SMD PAR	Datasheet	1,500In Stock	Cut Tape $4.69 $3.09 $2.52 $2.13 Reel $1.83 View $1.90 $1.64	Min.: 1 Mult.: 1 : 750
ESD Protection Diodes / TVS Diodes Low Capacitance RailClamp 2-Line ESD Protection RCLAMP0822B.C Semtech 1: $1.50 21,305In Stock 33,000Expected 05/11/2026	Mfr. Part No. RCLAMP0822B.C Mouser Part No 947-RCLAMP0822B.C	Semtech	ESD Protection Diodes / TVS Diodes Low Capacitance RailClamp 2-Line ESD Protection Learn More about Semtech tvs esd suppressors	Datasheet	21,305In Stock 33,000Expected 05/11/2026	Cut Tape $1.50 $0.95 $0.621 $0.48 Reel $0.387 View $0.407 $0.353 $0.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Connectorised Surge Protectors Data Surge Protector SPD THUNDERBOLT Outdoor Gigabit Ethernet/PoE++ Shielded RJ45 SASD, GDT CE Compliant, with Ground Kit 1101-1080 Transtector 1: $535.00 39In Stock 1On Order New At Mouser	Mfr. Part No. 1101-1080 Mouser Part No 21-1101-1080 New At Mouser	Transtector	Connectorised Surge Protectors Data Surge Protector SPD THUNDERBOLT Outdoor Gigabit Ethernet/PoE++ Shielded RJ45 SASD, GDT CE Compliant, with Ground Kit	Datasheet	39In Stock 1On Order	$535.00	Min.: 1 Mult.: 1
Circuit Breakers Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Thr 413-K14-LN2-80A E-T-A 1: $88.14 354In Stock	Mfr. Part No. 413-K14-LN2-80A Mouser Part No 457-413-K14-LN2-80A	E-T-A	Circuit Breakers Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Thr Learn More about E-T-A e t a 413 circuit breakers	Datasheet	354In Stock	$88.14 $74.67 $68.87 $56.98 Quote Quote	Min.: 1 Mult.: 1
Surface Mount Fuses 125VAC 1A .078ohms 453 NANO2 0453001.MR Littelfuse 1: $1.76 18,090In Stock	Mfr. Part No. 0453001.MR Mouser Part No 576-0453001.MR	Littelfuse	Surface Mount Fuses 125VAC 1A .078ohms 453 NANO2 Learn More about Littelfuse indoor led protection	Datasheet	18,090In Stock	Cut Tape $1.76 $1.39 $1.25 $1.13 View Reel $0.793 $1.04 $0.97 $0.793 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 20A 32V FAST ACTING 0501020.WRA Littelfuse 1: $1.39 23,009In Stock	Mfr. Part No. 0501020.WRA Mouser Part No 576-0501020.WRA	Littelfuse	Surface Mount Fuses 20A 32V FAST ACTING Learn More about Littelfuse 501a fast acting fuses	Datasheet	23,009In Stock	Cut Tape $1.39 $1.25 $1.13 $0.963 View Reel $0.552 $0.813 $0.783 $0.674 $0.621 $0.552 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 350VAC 3.15A .0196ohms 885 NANO2 08853.15DR Littelfuse 1: $5.53 7,810In Stock	Mfr. Part No. 08853.15DR Mouser Part No 576-08853.15DR	Littelfuse	Surface Mount Fuses 350VAC 3.15A .0196ohms 885 NANO2 Learn More about Littelfuse 885 smt fuses	Datasheet	7,810In Stock	Cut Tape $5.53 $5.15 $4.76 $3.91 View Reel $2.43 $3.24 $3.11 $2.69 $2.44 $2.43 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Fuse Holder MINI Fuse - Inline 0FHM0001LXN Littelfuse 1: $6.41 9,796In Stock	Mfr. Part No. 0FHM0001LXN Mouser Part No 576-0FHM0001LXN	Littelfuse	Fuse Holder MINI Fuse - Inline Learn More about Littelfuse fhm in line fuse holders	Datasheet	9,796In Stock	$6.41 $5.72 $5.51 $4.29 View $3.75 $3.47 $3.10 $2.90	Min.: 1 Mult.: 1
Fuse Holder 5X2 OMM SMD FUSE BLOCK 65800001009 Littelfuse 1: $3.14 15,790In Stock	Mfr. Part No. 65800001009 Mouser Part No 576-65800001009	Littelfuse	Fuse Holder 5X2 OMM SMD FUSE BLOCK Learn More about Littelfuse _fuseholders	Datasheet	15,790In Stock	$3.14 $2.81 $2.27 $2.14 View $1.82 $1.65 $1.58 $1.52	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Low-Cap 3Ch ESD Prot ection Array TPD3E001DRYR Texas Instruments 1: $1.22 82,332In Stock	Mfr. Part No. TPD3E001DRYR Mouser Part No 595-TPD3E001DRYR	Texas Instruments	ESD Protection Diodes / TVS Diodes Low-Cap 3Ch ESD Prot ection Array	Datasheet	82,332In Stock	Cut Tape $1.22 $0.693 $0.592 $0.496 Reel $0.284 View $0.407 $0.347 $0.33 $0.269 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Resettable Fuses - PPTC 20A 135mV BladeDevice BD280-1130-20/16 Littelfuse 1: $7.98 4,539In Stock	Mfr. Part No. BD280-1130-20/16 Mouser Part No 650-BD280-1130-20/16	Littelfuse	Resettable Fuses - PPTC 20A 135mV BladeDevice Learn More about Littelfuse bladed ptcs	Datasheet	4,539In Stock	$7.98 $6.62 $6.11 $5.07 View $4.67 $4.19 $3.87 $3.81 $3.80	Min.: 1 Mult.: 1
Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC W33-T4B1Q-10 TE Connectivity / P&B 1: $97.27 210In Stock	Mfr. Part No. W33-T4B1Q-10 Mouser Part No 655-W33-T4B1Q-10	TE Connectivity / P&B	Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC	Datasheet	210In Stock	$97.27 $88.17 $85.19 Quote Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W 16V 5% SMB (DO-214AA) SMBJ16AHE3_A/I Vishay Semiconductors 1: $0.90 382,211In Stock	Mfr. Part No. SMBJ16AHE3_A/I Mouser Part No 78-SMBJ16AHE3_A/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W 16V 5% SMB (DO-214AA) Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	382,211In Stock	Cut Tape $0.90 $0.56 $0.365 $0.275 Reel $0.227 View $0.251 $0.223 $0.19 $0.173 MouseReel Available	Min.: 1 Mult.: 1 : 3,200
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP10975 Littelfuse 1: $9.40 3,210In Stock	Mfr. Part No. USP10975 Mouser Part No 803-USP10975	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	3,210In Stock	$9.40 $8.79 $8.40 $8.23 View $8.16 $7.93	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection