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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 Breaker Accessories PDG3 UVR, 380-440VAC, SCREW TERMINAL Eaton Electrical PDG3XUV440ACV PDG3XUV440ACV Eaton Electrical 1: $529.30 1In Stock New Product	Mfr. Part No. PDG3XUV440ACV Mouser Part No 504-PDG3XUV440ACV New Product	Eaton Electrical	Circuit Breaker Accessories PDG3 UVR, 380-440VAC, SCREW TERMINAL	Datasheet	1In Stock	$529.30 $438.47 $404.18 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W,33V 5%, SlimSMA BIDIR TVS Vishay Semiconductors SMA6F33CA-M3/H SMA6F33CA-M3/H Vishay Semiconductors 1: $0.68 3,280In Stock New Product	Mfr. Part No. SMA6F33CA-M3/H Mouser Part No 78-SMA6F33CA-M3\H New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,33V 5%, SlimSMA BIDIR TVS	Datasheet	3,280In Stock	Cut Tape $0.68 $0.422 $0.27 $0.205 Reel $0.157 View $0.184 $0.143 $0.136 $0.124	Min.: 1 Mult.: 1 : 3,500
Circuit Breaker Accessories 1A/1B ALARM SW Eaton Electrical MA1L1RPK MA1L1RPK Eaton Electrical 1: $572.77 1In Stock New Product	Mfr. Part No. MA1L1RPK Mouser Part No 504-MA1L1RPK New Product	Eaton Electrical	Circuit Breaker Accessories 1A/1B ALARM SW		1In Stock	$572.77 $450.76 $430.97 View Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories PDG2 TERMINAL (AL), 225A, 6-300, 3P Eaton Electrical PDG2X3TA225K PDG2X3TA225K Eaton Electrical 1: $226.45 6In Stock New Product	Mfr. Part No. PDG2X3TA225K Mouser Part No 504-PDG2X3TA225K New Product	Eaton Electrical	Circuit Breaker Accessories PDG2 TERMINAL (AL), 225A, 6-300, 3P	Datasheet	6In Stock	$226.45 $187.68 $173.01 $142.93	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W,28V 5%, SlimSMA BIDIR TVS Vishay Semiconductors SMA6F28CA-M3/H SMA6F28CA-M3/H Vishay Semiconductors 1: $0.69 3,460In Stock New Product	Mfr. Part No. SMA6F28CA-M3/H Mouser Part No 78-SMA6F28CA-M3\H New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,28V 5%, SlimSMA BIDIR TVS	Datasheet	3,460In Stock	Cut Tape $0.69 $0.423 $0.271 $0.206 Reel $0.158 View $0.185 $0.143 $0.136 $0.124	Min.: 1 Mult.: 1 : 3,500
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
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ43CA Littelfuse 1: $4.36 4,691In 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	4,691In 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 52,745In 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	52,745In 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
Circuit Breaker Accessories UNDERVOLTAGE RELEASE Eaton Electrical NZM4-XU480-525AC NZM4-XU480-525AC Eaton Electrical 1: $855.90 1In Stock New Product	Mfr. Part No. NZM4-XU480-525AC Mouser Part No 504-NZM4-XU480-525AC New Product	Eaton Electrical	Circuit Breaker Accessories UNDERVOLTAGE RELEASE	Datasheet	1In Stock	$855.90 $817.86 $782.36 View Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories Terminal Extender Kit for LG 3P BRK, Eaton Electrical LGTES3 LGTES3 Eaton Electrical 1: $225.62 1In Stock New Product	Mfr. Part No. LGTES3 Mouser Part No 504-LGTES3 New Product	Eaton Electrical	Circuit Breaker Accessories Terminal Extender Kit for LG 3P BRK,	Datasheet	1In Stock	$225.62 $202.90 $190.86 $174.93 View Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories PDG6 AUXILIARY SWITCHES, 4 FORM C Eaton Electrical PDG6X4AC PDG6X4AC Eaton Electrical 1: $1,042.65 1In Stock New Product	Mfr. Part No. PDG6X4AC Mouser Part No 504-PDG6X4AC New Product	Eaton Electrical	Circuit Breaker Accessories PDG6 AUXILIARY SWITCHES, 4 FORM C	Datasheet	1In Stock	$1,042.65	Min.: 1 Mult.: 1
Surface Mount Fuses 20A 32V FAST ACTING 0501020.WRA Littelfuse 1: $1.43 23,143In 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	23,143In Stock	Cut Tape $1.43 $1.28 $1.14 $1.01 View Reel $0.573 $0.88 $0.813 $0.733 $0.691 $0.573 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 350VAC 3.15A .0196ohms 885 NANO2 08853.15DR Littelfuse 1: $6.11 8,381In 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	8,381In Stock	Cut Tape $6.11 $5.15 $4.76 $3.94 View Reel $2.54 $3.58 $3.24 $2.97 $2.88 $2.54 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Resettable Fuses - PPTC 6V .35A .1s 1206L035YR Littelfuse 1: $0.49 65,671In Stock	Mfr. Part No. 1206L035YR Mouser Part No 576-1206L035YR	Littelfuse	Resettable Fuses - PPTC 6V .35A .1s Learn More about Littelfuse 1206l poly fuse resettable ptcs	Datasheet	65,671In Stock	Cut Tape $0.49 $0.448 $0.383 $0.347 View Reel $0.27 $0.276 $0.27 $0.27 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Fuse Holder 5X2 OMM SMD FUSE BLOCK 65800001009 Littelfuse 1: $3.11 15,951In Stock	Mfr. Part No. 65800001009 Mouser Part No 576-65800001009	Littelfuse	Fuse Holder 5X2 OMM SMD FUSE BLOCK Learn More about Littelfuse _fuseholders	Datasheet	15,951In Stock	$3.11 $2.77 $2.23 $2.11 View $1.81 $1.79 $1.59	Min.: 1 Mult.: 1
Surface Mount Fuses 10A 250V FAST ACTING SF-3812F1000T-2 Bourns 1: $3.51 9,867In Stock	Mfr. Part No. SF-3812F1000T-2 Mouser Part No 652-SF-3812F1000T-2	Bourns	Surface Mount Fuses 10A 250V FAST ACTING Learn More about Bourns sf 3812f t smd fuses	Datasheet	9,867In Stock	Cut Tape $3.51 $2.95 $2.33 $2.06 Reel $1.45 View $1.85 $1.70 $1.57 $1.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC W33-T4B1Q-10 TE Connectivity / P&B 1: $97.28 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	$97.28 $88.19 $85.21 $85.20 Quote Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W 16V 5% SMB (DO-214AA) SMBJ16AHE3_A/I Vishay Semiconductors 1: $0.80 382,211In 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 $0.80 $0.494 $0.319 $0.243 Reel $0.188 View $0.219 $0.171 $0.163 $0.152 MouseReel Available	Min.: 1 Mult.: 1 : 3,200
SCRs New Input Thyristor - TO-220-e3 VS-25TTS12-M3 Vishay Semiconductors 1: $5.76 7,126In Stock	Mfr. Part No. VS-25TTS12-M3 Mouser Part No 78-VS-25TTS12-M3	Vishay Semiconductors	SCRs New Input Thyristor - TO-220-e3	Datasheet	7,126In Stock	$5.76 $2.90 $2.44 $2.40 Quote Quote	Min.: 1 Mult.: 1

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