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 |
|---|---|
| 170V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB | |
| 170V Off-State 150A Ipp TVS Thyristor DO-214AC, SMA | |
| 170V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 200V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB | |
| 200V Off-State 150A Ipp TVS Thyristor DO-214AC, SMA | |
| 200V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 200V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 270V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB | |
| 270V Off-State 150A Ipp TVS Thyristor DO-214AC, SMA | |
| 270V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 270V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 300V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB | |
| 300V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 300V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 3PH INPUT TERMINAL FOR 63A | |
| 58V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| AUX CONTACT 1NO+1NC | |
| BREAKER ED MOUNT SCREW KIT (100P | |
| BREAKER FD 120VAC MOTOR OPER OPE | |
| BREAKER FD 240VAC MOTOR OPER OPE | |
| BREAKER JD/LD 120VAC MOTOR OPER | |
| BREAKER JD/LD 240VAC MOTOR OPER | |
| BREAKER JD/LD 24VDC MOTOR OPER O | |
| BREAKER LMD 120VAC MOTOR OPER OP | |
| BREAKER LMD 240VAC MOTOR OPER OP | |
| BREAKER MD-RD 125VDC MOTOR OPER | |
| BREAKER MD/ND MOUNT SCREW KIT (4 | |
| C60N PADLOCK ATTACHMENT | |
| CABINET FOR MEASUREMENT OF 13 TE | |
| CAT5E ETHERNET SPD | |
| Circuit Breaker AC DC | |
| CIRCUIT BREAKER PADLOCK ATTACHME | |
| COMMON DOOR INT HANDLE | |
| COMMON FIXED HANDLE | |
| FOR 2 GMS-32S/H + ACCS | |
| FOR 2 GMS-32S/H | |
| FOR 3 GMS-32S/H + ACCS | |
| FOR 3 GMS-32S/H | |
| FOR 4 GMS-32S/H + ACCS | |
| FOR 4 GMS-32S/H | |
| FOR 5 GMS-32S/H + ACCS | |
| FOR 5 GMS-32S/H | |
| INDICATOR SWITCH 1500V SPNH SOLI | |
| INDICATOR SWITCH SQUARE BODY 100 | |
| INDICATOR SWITCH SQUARE BODY 150 | |
| MECH INTERLOCK UTS150N&UTS250N | |
| MU25 SERIES MMS ENCLOSURE IP55 | |
| MULTI9 FRONT MOUNTING BRACKET 4P | |
| MULTI9 LEFT PADLOCKING DEVICE (M | |
| MULTI9 RIGHT PADLOCKING DEVICE ( | |
| MULTI9 SPACER FOR DIN RAIL | |
| POE, POE++ SPD | |
| Polymeric PTC Resettable Fuse 10V 1.75A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 10V 1.7A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 10V 2.1A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 10V 2.3A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 10V 2A Ih Surface Mount 2018 (5045 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 1.25A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 1.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 1.5A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 1.75A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 1.75A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 12V 1.7A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 12V 2.1A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 12V 2.6A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 2.6A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 2A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 3.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 3.8A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 3A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 4.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 4A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 5.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 13.2V 2.6A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 13.2V 500mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 13.2V 500mA Ih Surface Mount 1210 (3225 Metric) | |
| Polymeric PTC Resettable Fuse 13.2V 750mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 15V 1.1A Ih Surface Mount 2018 (5045 Metric), Concave | |
| Polymeric PTC Resettable Fuse 15V 1.25A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 15V 1.2A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 15V 1.5A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 15V 1.5A Ih Surface Mount 2018 (5045 Metric), Concave | |
| Polymeric PTC Resettable Fuse 15V 1.5A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 15V 1.75A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 15V 2.5A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 15V 2A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 1.1A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 1.1A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 1.25A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 1.36A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 1.5A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 1.6A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 16V 1.7A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 16V 1.9A Ih Surface Mount 4520 (11350 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 2.1A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 16V 2.6A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 2A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 750mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 24V 1.1A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 24V 1.5A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 24V 200mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 24V 500mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 24V 750mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 1.1A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 30V 100mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 100mA Ih Surface Mount 1210 (3225 Metric) | |
| Polymeric PTC Resettable Fuse 30V 160mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 200mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 200mA Ih Surface Mount 1210 (3225 Metric) | |
| Polymeric PTC Resettable Fuse 30V 200mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 2A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 30V 3.5A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 30V 300mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 350mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 4.2A Ih User Defined Strap | |
| Polymeric PTC Resettable Fuse 30V 500mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 500mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 50mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 50mA Ih Surface Mount 1210 (3225 Metric) | |
| Polymeric PTC Resettable Fuse 30V 750mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 33V 1.1A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 33V 1.1A Ih Surface Mount 2018 (5045 Metric), Concave | |
| Polymeric PTC Resettable Fuse 33V 1.5A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 33V 1.8A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 33V 750mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 33V 750mA Ih Surface Mount 1812 (4532 Metric) | |
| Polymeric PTC Resettable Fuse 48V 120mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 48V 160mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 60V (250V Int) 130mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 60V (250V Int) 130mA Ih Surface Mount 4-SMD Cube | |
| Polymeric PTC Resettable Fuse 60V 1.85A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 60V 100mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 60V 100mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 60V 140mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 60V 2.5A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 60V 3.75A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 60V 300mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 60V 300mA Ih Surface Mount 2018 (5045 Metric), Concave | |
| Polymeric PTC Resettable Fuse 60V 3A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 60V 500mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 60V 550mA Ih Surface Mount 2018 (5045 Metric), Concave | |
| Polymeric PTC Resettable Fuse 60V 750mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 6V 1.1A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.1A Ih Surface Mount 1210 (3225 Metric) | |
| Polymeric PTC Resettable Fuse 6V 1.25A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.5A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.75A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.9A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 2.3A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 2.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 2.6A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 2.6A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 2.6A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 6V 2.7A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 2A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 3.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 3.8A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 350mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 350mA Ih Surface Mount 1210 (3225 Metric) | |
| Polymeric PTC Resettable Fuse 6V 3A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 3A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 3A Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 6V 4.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 4A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 5.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 6.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 6A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 750mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 750mA Ih Surface Mount 1210 (3225 Metric) | |
| Polymeric PTC Resettable Fuse 6V 7A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 72V 2.5A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 72V 3.75A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 72V 3A Ih Through Hole Radial, Disc | |
| Polymeric PTC Resettable Fuse 80V 80mA Ih Surface Mount 2-SMD | |
| Polymeric PTC Resettable Fuse 8V 1.1A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 8V 2A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 9V 1.6A Ih Surface Mount 1812 (4532 Metric), Concave | |
| PPTC-MINI-PSW | |
| PTC RESET FUSE 12V 1.25A 1210 | |
| PTC RESET FUSE 12V 1.5A 1210 | |
| PTC RESET FUSE 12V 1.5A 1812 | |
| PTC RESET FUSE 12V 1.75A 1210 | |
| PTC RESET FUSE 12V 2.0A 1210 | |
| PTC RESET FUSE 16V 1.1A 1210 | |
| PTC RESET FUSE 16V 3.0A 2SMD | |
| PTC RESET FUSE 24V 750MA 1210 | |
| PTC RESET FUSE 36V 100MA 1210 | |
| PTC RESET FUSE 36V 160MA 1210 | |
| PTC RESET FUSE 36V 200MA 1210 | |
| PTC RESET FUSE 60V 100MA 1206 | |
| PTC Resettable Fuse 6V 1.75A Ih Surface Mount 1210 (3225 Metric), Concave | |
| PTC Resettable Fuse 6V 350mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| PTC Resettable Fuse 72V 2.5A Ih Through Hole Radial, Disc | |
| PTC Resettable Fuse 72V 3.75A Ih Through Hole Radial, Disc | |
| PTC Resettable Fuse 72V 3A Ih Through Hole Radial, Disc | |
| SPD TYPE 4 300VAC MCOV 2 POLE | |
| SUPP. PROTECTOR ACCESS, PADLOCK | |
| TVS DEVICE GDT/MOV DISC 10MM | |
| TVS DEVICE GDT/MOV DISC 14MM | |
| TVS DEVICE GDT/MOV DISC 20MM | |
| TVS DEVICE GDT/MOV DISC 7MM |
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