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 |
|---|---|
| "140V Off-State Ipp TVS Thyristor 14-TSSOP (0.173"", 4.40mm Width)" | |
| 120V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB | |
| 120V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 120V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 120V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 12V Off-State 50A Ipp TVS Thyristor SOT-23-5 Thin, TSOT-23-5 | |
| 140V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 140V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 140V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 170V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 170V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 170V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 180V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 180V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 180V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 190V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB | |
| 190V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 190V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 190V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 20W 92H SURFACE TRIM | |
| 220V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB | |
| 220V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 220V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 220V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 275V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 275V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 275V Off-State Ipp TVS Thyristor DO-204AC, DO-15, Axial | |
| 275V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 320V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 320V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 320V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 3PH INPUT TERMINAL FOR 63A | |
| 58V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB | |
| 58V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 58V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 58V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 65V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 65V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 65V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 75V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 75V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 75V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| 8V Off-State 50A Ipp TVS Thyristor SOT-23-5 Thin, TSOT-23-5 | |
| 90V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB | |
| 90V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB | |
| 90V Off-State Ipp TVS Thyristor DO-214AA, SMB | |
| AC DC Fuse | |
| AUX CONTACT 1NO+1NC | |
| BREAKER ED MOUNT SCREW KIT (100P | |
| BREAKER MD/ND MOUNT SCREW KIT (4 | |
| BREAKER PD/RD 3P ENCL NEUT | |
| BREAKER SPD 1600A NEUT TRANSFORM | |
| BREAKERLESS KIT | |
| BUSS FUSE REDUCER | |
| CABINET FOR MEASUREMENT OF 13 TE | |
| Circuit Breaker AC DC | |
| CIRCUIT BREAKER PADLOCK ATTACHME | |
| D/F SERVICE 30 CKT 1P 125A | |
| D/F SERVICE 54 CKT 1P 125A | |
| D/F SERVICE 66 CKT 1P 400A | |
| D/F SERVICE 66 CKT 1P 600A | |
| D/F SERVICE 84 CKT 1P 400A | |
| D/F SERVICE 84 CKT 1P 600A | |
| 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 | |
| FTL KIT 125A AL MECH | |
| FTL KIT 250A AL MECH | |
| FUSE BLOCK COVER | |
| FUSE BUSS CLASS R REDUCER | |
| INDICATOR SWITCH 1500V SPNH SOLI | |
| INDICATOR SWITCH SQUARE BODY 100 | |
| INDICATOR SWITCH SQUARE BODY 150 | |
| MU25 SERIES MMS ENCLOSURE IP55 | |
| NEUTRAL LUG FOR A 2/0 MAX. WIRE | |
| NF 125A 100% CU NEUT KIT | |
| NF 30 CIRCUIT 600A PPL HEAT SINK | |
| NF 400A AL COMP RTI KIT | |
| NF 400A AL MECH RTI KIT | |
| NF 400A CU COMP RTI KIT | |
| NF 400A CU MECH RTI KIT | |
| NF 42 CIRCUIT 600A PPL HEAT SINK | |
| NF 54 CIRCUIT 600A PP HEAT SINK | |
| NF 6 IN RAIL EXT RTI KIT | |
| NF 600A AL COMP RTI KIT | |
| NF 600A AL MECH RTI KIT | |
| NF 600A CU COMP RTI KIT | |
| NF 600A CU MECH RTI KIT | |
| NF 600A DUAL 350MCM AL MECH LUGS | |
| NF 600A DUAL 350MCM CU MECH LUGS | |
| NF 800A AL MECH RTI KIT | |
| NF 800A CONDO RISER BONDING STRA | |
| NF 800A MB REPL DEADFRONT KIT | |
| NF BUS COVER KIT | |
| NF COLUMN WIDTH CLOSING PLATE | |
| NF CONDO RISER 200% NEUTRAL | |
| NF CONDO RISER NEUTRAL KIT | |
| NF FILLER PLATE KIT (15 PER PKG) | |
| NF HJ MB UL SERVICE ENTRANCE KIT | |
| NF LA/LH MB UL SERVICE ENTRANCE | |
| NF ML 125/400/600A RPL | |
| NF ML 125A RPL | |
| NF ML 250A RPL | |
| NF POWERPACT L MB OR SFB KIT | |
| NF POWERPACT L SUB FEED BREAKER | |
| NF PP-L MB UL SERVICE ENTRANCE K | |
| NF PP-L NEMA 3R REPL DEADFRONT K | |
| NF PP-P MB UL SERVICE ENTRANCE K | |
| NF RPL KIT 30 CKT 800A 1PH | |
| NF RPL KIT 30 CKT 800A 3PH | |
| NF RPL KIT 42 CKT 125A 3PH | |
| NF RPL KIT 42 CKT 800A 1PH | |
| NF RPL KIT 42 CKT 800A 3PH | |
| NF RPL KIT 54 CKT 125A 3PH | |
| NF RPL KIT 54 CKT 800A 1PH | |
| NF RPL KIT 54 CKT 800A 3PH | |
| NF RPL KIT 66 CKT 250A 1PH | |
| NF RPL KIT 66 CKT 250A 3PH | |
| NF RPL KIT 66 CKT 400A 3PH | |
| NF RPL KIT 66 CKT 600A 3PH | |
| NF RPL KIT 84 CKT 400A 3PH | |
| NF RPL KIT 84 CKT 600A 3PH | |
| NF RPL KIT MB H 125A | |
| NF RPL KIT MB J 250A | |
| NF RPL KIT MB LA 400A | |
| NF RPL KIT SFB H 250A | |
| NF RPL KIT SFB H 400A | |
| NF RPL KIT SFB J 250A | |
| NF RPL KIT SFB J 400A | |
| NF RPL KIT SFB LA/H 400A | |
| NF RPL KIT SFB LA/J 400A | |
| NF RPL TFL 30 CKT 125A 1PH | |
| NF RPL TFL 30 CKT 125A 3PH | |
| NF RPL TFL 30 CKT 250A 1PH | |
| NF RPL TFL 30 CKT 250A 3PH | |
| NF RPL TFL 30 CKT 400A 1PH | |
| NF RPL TFL 30 CKT 400A 3PH | |
| NF RPL TFL 30 CKT 600A 1 PH | |
| NF RPL TFL 30 CKT 600A 3PH | |
| NF RPL TFL 30 CKT 800A 1PH | |
| NF RPL TFL 30 CKT 800A 3PH | |
| NF RPL TFL 42 CKT 125A 1PH | |
| NF RPL TFL 42 CKT 125A 3PH | |
| NF RPL TFL 42 CKT 250A 1PH | |
| NF RPL TFL 42 CKT 250A 3PH | |
| NF RPL TFL 42 CKT 400A 1 PH | |
| NF RPL TFL 42 CKT 400A 3PH | |
| NF RPL TFL 42 CKT 600A 1PH | |
| NF RPL TFL 42 CKT 800A 1PH | |
| NF RPL TFL 42 CKT 800A 3PH | |
| NF RPL TFL 54 CKT 125A 1PH | |
| NF RPL TFL 54 CKT 250A 1PH | |
| NF RPL TFL 54 CKT 250A 3PH | |
| NF RPL TFL 54 CKT 400A 1PH | |
| NF RPL TFL 54 CKT 400A 3PH | |
| NF RPL TFL 54 CKT 600A 1PH | |
| NF RPL TFL 54 CKT 600A 3PH | |
| NF RPL TFL 54 CKT 800A 1PH | |
| NF RPL TFL 54 CKT 800A 3PH | |
| NF RPL TFL 66 CKT 250A 1PH | |
| NF RPL TFL 66 CKT 250A 3PH | |
| NF RPL TFL 66 CKT 400A 1PH | |
| NF RPL TFL 66 CKT 400A 3PH | |
| NF RPL TFL 66 CKT 600A 1PH | |
| NF RPL TFL 66 CKT 600A 3PH | |
| NF RPL TFL 84 CKT 400A 1PH | |
| NF RPL TFL 84 CKT 400A 3PH | |
| NF RPL TFL 84 CKT 600A 1PH | |
| NF RPL TFL 84 CKT 600A 3PH | |
| NFEDBS BACKFED MB UL SERV. ENTR. | |
| NFOM 42C PNL FOR 125A M/B | |
| NQ/NF 400/600A CONDO RISER BONDI | |
| NQLC 50IN TRIM DOOR ASSY | |
| NQLC 62IN TRIM DOOR ASSY | |
| NUMBER STRIP 103-204 ODD/EVEN IL | |
| NUMBER STRIP 103-204 SEQ ILINE & | |
| PANELBOARD BRANCH DEADFRONT | |
| PANELBOARD CABLE TROUGH | |
| PANELBOARD COPPER COMPRESSION LU | |
| PANELBOARD COVER/TRIM NF S 3PT 7 | |
| PANELBOARD COVER/TRIM NF TYPE 1 | |
| PANELBOARD D/F SERVICE 12CKT 3P | |
| PANELBOARD D/F SERVICE 30CKT 3PH | |
| PANELBOARD INTERIOR 250A MLO 42 | |
| PANELBOARD INTERIOR 250A MLO 54C | |
| PANELBOARD INTERIOR 400A MLO 30 | |
| PANELBOARD INTERIOR 400A MLO 54C | |
| PANELBOARD INTERIOR NF 125A MLO | |
| PANELBOARD INTERIOR NF 250A MLO | |
| PANELBOARD INTERIOR NF 400A MLO | |
| PANELBOARD INTERIOR NF 600A MLO | |
| PANELBOARD LEVELING NUTS | |
| PANELBOARD PULL BOX | |
| PB INT NF 250A MLO 42 CKT 3P AL | |
| PB INT NF 250A MLO 42 CKT 3P CU | |
| PB INT NF 400A MLO 42 CKT 3P AL | |
| PB INT NF 400A MLO 42 CKT 3P CU | |
| PLBD TRIM NF T-1 VT S 44H 20W 3 | |
| PNLB TRIM FR VENTED FLUSH 3P 50H | |
| PNLB TRIM FR VENTED FLUSH 3P 56H | |
| PNLB TRIM FR VENTED SURF 3P 50H | |
| PNLB TRIM FR VENTED SURF 3P 56H | |
| PNLBD COVER/TRIM NF T-1 F 44H 20 | |
| PNLBD COVER/TRIM NF T-1 F 50H 20 | |
| PNLBD COVER/TRIM NF T-1 F 56H 20 | |
| PNLBD COVER/TRIM NF T-1 F 62H 20 | |
| PNLBD COVER/TRIM NF T-1 F 68H 20 | |
| PNLBD COVER/TRIM NF T-1 S 50H 20 | |
| PNLBD COVER/TRIM NF T-1 S 56H 20 | |
| PNLBD COVER/TRIM NF T-1 S H 80H | |
| PNLBD COVER/TRIM NOQD T-1 68H 26 | |
| PNLBD INT NF 125A 3P4W 42CKT ML | |
| PNLBD INT NF 125A 3P4W 54CKT ML | |
| PNLBD INT NF 250A 3P4W 66CKT ML | |
| PNLBD INT NF 400A 3P4W 66CKT ML | |
| PNLBD INT NF 400A MLO 30CKT 3PH | |
| PNLBD INT NF 400A MLO 84CKT 3P4W | |
| PNLBD INT NF 400A NMLO 84CKT 3P4 | |
| PNLBD INT NF 600A 3P4W 66CKT ML | |
| PNLBD INT NF 600A MLO 84CKT 3P4W | |
| PNLBD INT NF CW 125A MLO 30CKT 3 | |
| PNLBD INT NF CW 225A J M/B 42CKT | |
| PNLBD INT NF CW 250A MLO 42CKT 3 | |
| PNLBD NF 12 RAIL EXTENSION KIT | |
| PNLBD NF 125A 200% NEUTRAL KIT | |
| PNLBD NF 125A AL COMPRESSION LUG | |
| PNLBD NF 125A CU COMPRESSION LUG | |
| PNLBD NF 125A CU MECH LUG KIT | |
| PNLBD NF 125A STD AL/CU MECH LUG | |
| PNLBD NF 18 RAIL EXTENSION KIT | |
| PNLBD NF 250A 200% NEUTRAL KIT | |
| PNLBD NF 250A AL COMPRESSION LUG | |
| PNLBD NF 250A CU COMPRESSION LUG | |
| PNLBD NF 250A CU MECH LUG KIT | |
| PNLBD NF 250A H FRAME SUB FEED C | |
| PNLBD NF 250A J FRAME SUB FEED C | |
| PNLBD NF 400A 200% NEUTRAL KIT | |
| PNLBD NF 600A H FRAME SUB FEED C | |
| PNLBD NF 600A J FRAME SUB FEED C | |
| PNLBD NF DEADFRONT-SERV PART 30C | |
| PNLBD NF DEADFRONT-SERV PART 42C | |
| PNLBD NF MB KIT FOR H FRAME CB O | |
| PNLBD NF MB KIT USE W/J FRAME CB | |
| PNLBD TRIM NF T1 VENT HINGE S 44 | |
| Polymeric PTC Resettable Fuse 12V 3.5A Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 12V 4A Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 13.2V 500mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 250mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 350mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 24V 200mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 24V 300mA Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 24V 500mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 100mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 160mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 350mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| 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 100mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.1A Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.5A Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.75A Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 6V 2.7A Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 6V 2A Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 2A Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 6V 3.5A Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 6V 750mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 750mA Ih Surface Mount 1206 (3216 Metric) | |
| PPTC-MINI-PSW | |
| PTC RESET FUSE 60V 100MA 1206 | |
| SFL KIT 125A AL MECH | |
| SFL KIT 250A AL MECH | |
| SFL KIT 400A AL MECH | |
| SPD TYPE 4 300VAC MCOV 2 POLE | |
| TVS DEVICE GDT/MOV DISC 10MM | |
| TVS DEVICE GDT/MOV DISC 14MM | |
| TVS DEVICE GDT/MOV DISC 20MM | |
| TVS DEVICE GDT/MOV DISC 7MM | |
| TVS DEVICE MIXED 12-TLLGA | |
| TVS DEVICE MIXED 34V 6-WDFN | |
| TVS DEVICE MIXED 4.6V 5-TSOP | |
| TVS DEVICE MIXED 43V 6-WDFNW | |
| TVS DEVICE MIXED 5-TSOP | |
| TVS DEVICE MIXED 5.65V 5-TSOP | |
| TVS DEVICE MIXED 55V 6-WDFNW | |
| TVS DEVICE MIXED 6-UDFN | |
| TVS DEVICE MIXED 6.4V 10-LLGA | |
| TVS DEVICE MIXED 6.4V 10-WDFN | |
| TVS DEVICE MIXED 7.08V 5-TSOP | |
| TVS DEVICE MIXED 7.4V 5-TSOP | |
| TVS DEVICE MIXED 7.4V 6-UDFN | |
| TVS DEVICE MIXED 7V 10-WDFN | |
| TVS DEVICE MIXED SC-74 |
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