DigiKey Datasheets for Circuit Protection Components
Circuit protection devices are used to protect electronic components from unwanted transients such as current and voltage surges, electrostatic discharge (ESD), lightning, spikes and other signals that can imperil the operation or damage the component.
Circuit Protection Components: Learn more
| Product Name | Notes |
|---|---|
| 190V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 270V, 400V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing | |
| 3PH INFEED TERMINAL TYPE E 3RV29 | |
| 3R 3IN HANDLE KIT, LONG SHAFT | |
| 3R 6IN HANDLE KIT, LONG SHAFT | |
| 3R 6IN HANDLE KIT | |
| 400V Off-State 250A Ipp TVS Thyristor 6-SMD, Gull Wing | |
| 50V, 170V Off-State 150A Ipp TVS Thyristor 6-SMD, Gull Wing | |
| 50V, 170V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing | |
| 50V, 170V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab | |
| 54V, 78V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB | |
| ACTI 9 COMB BUSBAR 3P 100A 6 MOD | |
| ACTI9 COMB BUSBAR 1P 100A 12 MOD | |
| ACTI9 COMB BUSBAR 1P 100A 24 MOD | |
| ACTI9 COMB BUSBAR 1P 100A 57 MOD | |
| ACTI9 COMB BUSBAR 2P 100A 12 MOD | |
| ACTI9 COMB BUSBAR 2P 100A 24 MOD | |
| ACTI9 COMB BUSBAR 2P 100A 57 MOD | |
| ACTI9 COMB BUSBAR 3P 100A 12 MOD | |
| ACTI9 COMB BUSBAR 3P 100A 24 MOD | |
| ACTI9 COMB BUSBAR 3P 100A 57 MOD | |
| ACTI9 COMB BUSBAR 4P 100A 12 MOD | |
| ACTI9 COMB BUSBAR 4P 100A 24 MOD | |
| ACTI9 COMB BUSBAR 4P 100A 57 MOD | |
| ACTI9 IIL SINGLE INDICATOR LIGHT | |
| ACTI9 IPB 1NO SINGLE PUSH BUTTON | |
| ACTI9 ISW SWITCH 1P 20A 250V | |
| ACTI9 ISW SWITCH 2P 20A 415V | |
| ACTI9 SET OF 10 END CAPS 1P | |
| ACTI9 SET OF 10 END CAPS 2P | |
| ACTI9 SET OF 10 END CAPS 3P | |
| ACTI9 SET OF 10 END CAPS 4P | |
| ACTI9 SET OF 4 CONNECTORS MONOCO | |
| ALARM SWITCH 1NO 1 NC CONTACTS | |
| ALARM SWITCH LEFT MOUNTING | |
| ALARM SWITCH RIGHT MOUNTING | |
| ANTI-SLIP GUARD FOR NH DISCONNEC | |
| ANTI-SLIP GUARD FOR SUPPORT RAIL | |
| AUXILIARY CONTACT 1 OCS | |
| AUXILILLARY SWITCH LEFT MOUNTING | |
| AUXILILLARY SWITCH RIGHT MOUNT | |
| AUXILILLARY SWITCH | |
| BAYING CONNECTOR FOR E-CU 15X5-3 | |
| BOX TERMINAL FOR NH DISCONNECTOR | |
| BREAKER ED 240VAC BA ACC | |
| BREAKER FD 240VAC 2AUX SWITCH AC | |
| BREAKER FD 240VAC AUX SWITCH ACC | |
| BREAKER FD 480VAC AUX SWITCH ACC | |
| BREAKER LD/LD/LMD 480VAC BA ACC | |
| BUS-MOUNTING FUSE BASE 32 A, 3-P | |
| BUS-MOUNTING FUSE BASE 63 A, 3-P | |
| CABLE OPERATED CB MECHANISM, 120 | |
| CABLE OPERATED CB MECHANISM, 36 | |
| CABLE OPERATED CB MECHANISM, 60 | |
| CABLE OPERATING MECHANISM NEMA | |
| CB COMPONENT ADAPTOR 160 A, 3-PO | |
| CB COMPONENT ADAPTOR 250 A, 3-PO | |
| CB COMPONENT ADAPTOR 400 A, 3-PO | |
| CB COMPONENT ADAPTOR 630 A, 3-PO | |
| CB HANDLE PADLOCK ATTACHMENT | |
| Ceramic PTC Resettable Fuse 1.0kV Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 135VAC 110mA Ih Surface Mount 4-SMD | |
| Ceramic PTC Resettable Fuse 135VAC 75mA Ih Surface Mount 4-SMD | |
| Ceramic PTC Resettable Fuse 135VAC 90mA Ih Surface Mount 4-SMD | |
| Ceramic PTC Resettable Fuse 160V 125mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 160V 180mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 160V 250mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 24V 310mA Ih Surface Mount 4032 (10080 Metric) | |
| Ceramic PTC Resettable Fuse 24V 355mA Ih Surface Mount 2-SMD | |
| Ceramic PTC Resettable Fuse 265V 100mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 110mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 140mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 15mA Ih Surface Mount 1210 (3225 Metric) | |
| Ceramic PTC Resettable Fuse 265V 170mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 200mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 330mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 450mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 460mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 60mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 650mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 70mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 80mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 265V 90mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 30V 100mA Ih Surface Mount 4032 (10080 Metric) | |
| Ceramic PTC Resettable Fuse 30V 165mA Ih Surface Mount 3225 (8063 Metric) | |
| Ceramic PTC Resettable Fuse 30V 70mA Ih Surface Mount 1210 (3225 Metric) | |
| Ceramic PTC Resettable Fuse 30V 90mA Ih Surface Mount 1210 (3225 Metric) | |
| Ceramic PTC Resettable Fuse 32V 13mA Ih Surface Mount 0402 (1005 Metric) | |
| Ceramic PTC Resettable Fuse 420V Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 440V 87mA Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 550V Ih Through Hole Radial, Disc | |
| Ceramic PTC Resettable Fuse 60V 20mA Ih Surface Mount 0603 (1608 Metric) | |
| Ceramic PTC Resettable Fuse 80V 100mA Ih Surface Mount 2-SMD | |
| Ceramic PTC Resettable Fuse 80V 150mA Ih Surface Mount 4032 (10080 Metric) | |
| Ceramic PTC Resettable Fuse 80V 40mA Ih Surface Mount 3225 (8063 Metric) | |
| Ceramic PTC Resettable Fuse 80V 50mA Ih Surface Mount 1210 (3225 Metric) | |
| Ceramic PTC Resettable Fuse 80V 65mA Ih Surface Mount 3225 (8063 Metric) | |
| Ceramic PTC Resettable Fuse 80V 70mA Ih Surface Mount 3225 (8063 Metric) | |
| Ceramic PTC Resettable Fuse 80V 80mA Ih Surface Mount 4032 (10080 Metric) | |
| Ceramic PTC Resettable Fuse 80V Ih Surface Mount 0603 (1608 Metric) | |
| CIRCUIT BREAKER MECHANICAL LUG K | |
| CIRCUIT BREAKER OP MECH FOR 400A | |
| CIRCUIT BREAKER TAPPED LUG KIT ( | |
| CIRCUIT BREAKER TAPPED LUG KIT 3 | |
| CLAMP-TYPE TERMINAL FOR NH DISCO | |
| COMPONENT ADAPTOR 100 A, AWG 2, | |
| COMPONENT ADAPTOR 16 A, AWG 14, | |
| COMPONENT ADAPTOR 25 A, AWG 12, | |
| COMPONENT ADAPTOR 32 A, AWG 10, | |
| COMPONENT ADAPTOR 45 A, AWG 8, 3 | |
| COMPONENT ADAPTOR 65 A, AWG 6, 3 | |
| COMPONENT ADAPTOR 80 A, AWG 4, 3 | |
| COMPONENT SUPPORT W: 45 MM | |
| COMPONENT SUPPORT W: 54 MM | |
| CONNECT ADPTR 125A 690V 6 1=4PCS | |
| CONNECTION ADAPTOR 1-POLE, W/H: | |
| CONNECTION ADAPTOR 1-POLE, W: 72 | |
| CONNECTION ADAPTOR 3-POLE, W: 12 | |
| CONNECTION ADAPTOR 3-POLE, W: 14 | |
| CONNECTION ADAPTOR 3-POLE, W: 60 | |
| CONNECTION ADAPTOR 3-POLE, W: 90 | |
| CONNECTION PIN FOR COMPONENT ADA | |
| CONNECTION SPACE COVER FOR NH DI | |
| CONTACT HAZARD PROTECTION FOR NH | |
| CONTACT HAZARD PROTECTION PROFIL | |
| DIRECT OPERATING HANDLE | |
| DOOR MOUNTED OP MECH FOR 400A BR | |
| DOOR MOUNTED OPERATING MECHANISM | |
| DOUBLE MOUNTED MECH 250 AMP | |
| EXPANSION BLOCK FOR COMPONENT AD | |
| FASTENING CLIP FOR CONTACT HAZAR | |
| FUSE-SWITCH DISCONNECTOR 63 A, 3 | |
| HANDLE 31055-564-51***** | |
| HEIGHT-ADJUSTABLE SUPPORT RAIL, | |
| INSERT STRIP FOR COMPONENT ADAPT | |
| LOADBREAK SWITCH 600VAC 20A IEC | |
| LOADBREAK SWITCH 600VAC 25A IEC | |
| LOCKING PIN FOR SUPPORT RAIL | |
| LOCKING SCREW FOR SUPPORT RAIL | |
| MICRO-SWITCH FOR NH DISCONNECTOR | |
| NH FUSE-SWITCH DISCONNECTOR SIZE | |
| Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing | |
| Off-State Ipp TVS Thyristor | |
| OPERATING MECHANISM + A1 LA | |
| OPERATING MECHANISM 600VAC 1000A | |
| OPERATING MECHANISM 600VAC 100AM | |
| OPERATING MECHANISM 600VAC 250AM | |
| OPERATING MECHANISM 600VAC 400AM | |
| OPERATING MECHANISM 600VAC 800AM | |
| OPERATING MECHANISM HANDLE NEMA | |
| OPERATING MECHANISM HANDLE | |
| OPERATING MECHANISM LONG SHAFT N | |
| OPERATING MECHANISM STANDARD SHA | |
| OPERATING MECHNAISM HANDLE NEMA | |
| PLASTIC SCREW FOR RILINEX BOARD | |
| Polymeric PTC Resettable Fuse 16V 1.04A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 1.27A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 1.2A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 1.6A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 1.73A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 1.85A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 1.97A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 10A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 11A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 12A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 13A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 14A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 15A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 2A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 2A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 3.5A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 3A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 3A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 4.5A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 4A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 5.5A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 5A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 6.5A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 6A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 7.5A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 7A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 800mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 8A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 16V 9A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 24V 3A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 30V 1A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 30V 500mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 30V 600mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 30V 700mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 30V 900mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 32V 10A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 32V 1A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 32V 3A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 32V 500mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 32V 5A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 32V 7.5A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 32V 700mA Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 33V 1.25A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 33V 1.2A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 33V 1.85A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 33V 750mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 60V 230mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 60V 300mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 60V 370mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 60V 500mA Ih Surface Mount 2-SMD | |
| PPTC-SMD-PSW | |
| PTC RESET FUSE 16V 14A RADIAL | |
| PTC RESET FUSE 24V 310MA 4032 | |
| PTC RESET FUSE 30V 100MA 4032 | |
| PVC INSULATION BOOT FUSEHOLDER | |
| ROTARY OPERATING MECH 600VAC 250 | |
| RX BUS-MOUNTING FUSE BASE 32 A, | |
| SET OF 20 TOOTH CAPS | |
| SPD 230VAC MCOV 1 POLE | |
| SPD TYPE 1 150VAC MCOV 1 POLE | |
| SPD TYPE 1 150VAC MCOV 2 POLE | |
| SPD TYPE 1 300VAC MCOV 1 POLE | |
| SPD TYPE 1 300VAC MCOV 2 POLE | |
| SPD TYPE 1 550VAC MCOV 3 POLE | |
| SUPPORT RAIL W: 45 MM | |
| SUPPORT RAIL W: 54 MM | |
| SUPPORT RAIL WITH LOCKING CLIP, | |
| TERMINAL STUD M12 32MM 1=3 PCS | |
| TERMINAL STUD, M12, L: 30MM 1=3P | |
| THERMISTOR PTC 25 OHM 25% 2SMD | |
| THERMISTOR PTC 25% 4032 | |
| THERMISTOR PTC 35 OHM 15% 4SMD | |
| THERMISTOR PTC 470 OHM 25% 0402 | |
| THERMISTOR PTC 50 OHM 15% 4SMD | |
| TVS DEV MIXED ADJUSTABLE MS-013 | |
| TVS DEVICE MIXED 16-TSSOP | |
| TVS DEVICE MIXED 40V 18SOIC | |
| TVS DEVICE MIXED 40V 20-SSOP | |
| TVS DEVICE MIXED 40V 8-MSOP | |
| TVS DEVICE MIXED 40V SOT-23-6 | |
| TVS DEVICE MIXED ADJ DO-214AA | |
| TYPE L CB MECH KIT WITH HANDLE, | |
| TYPE L CIRCUIT BRKR MECH, B-FRAM | |
| WSK-ACCE FUSE HOLDER 5X20MM ACCE |
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