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 | |
| 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 | |
| 300V 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 | |
| 400A 1P 54 CKT CU | |
| 400A 3P/4W 54 CKT AL | |
| 400A 3P/4W 54 CKT CU | |
| 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 | |
| 600A 1P 54 CKT CU | |
| 600A 3P/4W 54 CKT CU | |
| 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 | |
| BRANCH DEADFRONT KIT | |
| BRANCH DF TFL KIT | |
| BUSS FUSE REDUCER | |
| CSED OVERHEAD SERVICE KIT 400A | |
| 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 | |
| FUSE BLOCK COVER | |
| FUSE BUSS CLASS R REDUCER | |
| HJ IP2X LOAD SIDE COVER | |
| LONG TUNNEL BARRIER | |
| M/B DF (H,J) 100 / 225A | |
| M/B DF (LA/LH) 400A | |
| M/B DF (Q) 225A | |
| ML HIGH AMP COVER KIT | |
| ML LOW AMP COVER KIT | |
| NEUTRAL LUG FOR A 2/0 MAX. WIRE | |
| NF 125A 100% CU NEUT KIT | |
| NF 400A AL COMP RTI KIT | |
| NF 400A CU COMP RTI KIT | |
| NF 400A CU MECH RTI KIT | |
| NF 600A AL COMP 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 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 14 30CKT 100A 1P3W ML OEM CU | |
| NQ 14 MB LOW AMP Q | |
| NQ 14IN 18CKT 100A 1P3W ML CU IN | |
| NQ 14IN 18CKT 100A 3P4W ML CU IN | |
| NQ 14IN 30CK 100A 1P3W ML CU INT | |
| NQ 14IN 30CKT 100A 3P4W ML CU IN | |
| NQ 14IN 30CKT 225A 1P3W ML CU IN | |
| NQ 14IN 30CKT 225A 3P4W ML CU IN | |
| NQ 14IN 42CKT 225A 1P3W ML CU IN | |
| NQ 14IN 42CKT 225A 3P4W ML CU IN | |
| NQ 150- 200A AWG 4-300 NEUTRAL L | |
| NQ 24CKT 100A 3P4W CU 23 INTERIO | |
| NQ 30 CIRCUIT 600A PPL HEAT SINK | |
| NQ 36CKT 100A 1P3W M/L INTERIOR | |
| NQ 42 CIRCUIT 600A PPL HEAT SINK | |
| NQ 54 CIRCUIT 600A PPL HEAT SINK | |
| NQ 80-100A AWG 14-2/0 NEUTRAL LU | |
| NQ CONDO RISER 200% NEUTRAL | |
| NQ CONDO RISER NEUTRAL KIT | |
| NQ CUSTOMER EQUIPMENT SPACE | |
| NQ FILLER PLATE KIT (15 PER PKG) | |
| NQ HJQ MB UL SERVICE ENTRANCE KI | |
| NQ ISOLATED GROUND BAR 42 PORTS | |
| NQ LA/LH MB UL SERVICE ENTRANCE | |
| NQ M/L AL INT 54CKT 225A 3P4W | |
| NQ M/L CU INT 54CKT 225A 3P4W | |
| NQ OEM 24CKT 600A 3P4W CU INTERI | |
| NQ OEM 72CKT 600A 3P4W CU INTERI | |
| NQ PNLBD SE 400A MB 1PH 42 CKT S | |
| NQ POWERPACT L SUB FEED BREAKER | |
| NQ PP-L MB UL SERVICE ENTRANCE K | |
| NQ PP-L NEMA 3R REPL DEADFRONT K | |
| NQ/NF 400/600A CONDO RISER BONDI | |
| NQCW 1P3W MCB 20 CKT 100A | |
| NQCW 1P3W MLO 30 CKT 225A | |
| NQCW 3P4W MCB 42 CKT 225A | |
| NQCW 3P4W MLO 30 CKT 100A | |
| NQCW 3P4W MLO 42 CKT 225A | |
| NQOB C/T 225A 30 CKT LEFT | |
| NUMBER STRIP 1-102 ODD/EVEN NQ | |
| NUMBER STRIP 1-102 SEQ NQ | |
| NUMBER STRIP 103-204 ODD/EVEN NQ | |
| NUMBER STRIP 103-204 SEQ NQ | |
| OEM LINE ISOLATION SWITCH, 30A/3 | |
| OLI SWITCH 100A/3P | |
| OLI SWITCH 200A/3P | |
| OLI SWITCH 30A/3P | |
| OLI SWITCH 400A/3P | |
| OLI SWITCH 60A/3P | |
| OLI SWITCH: 200A/3P,600VAC | |
| OLI SWITCH: 400A/3P,600VAC. FUSI | |
| OLI SWITCH: 600A/3P,600VAC. FUSI | |
| OLI, 100 A, NEMA 12/3R, 600 V, 3 | |
| OLI, 100 A, NEMA 4X, 600 V, 3-PO | |
| OLI, 200 A, NEMA 12/3R, 600 V, 3 | |
| OLI, 200 A, NEMA 4X, 600 V, 3-PO | |
| OLI, 400 A, NEMA 12/3R, 600 V, 3 | |
| OLI, 400 A, NEMA 4X, 600 V, 3-PO | |
| OLI, 60 A, NEMA 12/3R, 600 V, 3- | |
| OLI, 60 A, NEMA 4X, 600 V, 3-POL | |
| OLI361FDJX-0000 | |
| OLI: 600A/3P, 600VAC FUSIBLE (J) | |
| OLI: 600A/3P,600VAC FUSIBLE(J), | |
| OLI: 600A/3P,600VAC. FUSIBLE(J), | |
| PANELBOARD BRANCH DEADFRONT | |
| PANELBOARD CABLE TROUGH NF CW | |
| PANELBOARD COVER/TRIM TYPE 1 S 2 | |
| PANELBOARD D/F SERVICE 12CKT 3P | |
| PANELBOARD D/F SERVICE 30CKT 3PH | |
| PANELBOARD LEVELING NUTS | |
| PANELBOARD NQ 3 RAIL EXTENSION K | |
| PLBD TRIM FOR WIDE GUTTER LC GLO | |
| PNLBD COVER/TRIM NQOD T-1 F 38H | |
| PNLBD INT NQ 100A MLO 18 CKT 1P | |
| PNLBD INT NQ 100A MLO 18 CKT 3P | |
| PNLBD INT NQ 100A MLO 30 CKT 1P | |
| PNLBD INT NQ 100A MLO 30 CKT 3P | |
| PNLBD INT NQ 225A MLO 30 CKT 1P | |
| PNLBD INT NQ 225A MLO 30 CKT 3P | |
| PNLBD INT NQ 225A MLO 42 CKT 1P | |
| PNLBD INT NQ 225A MLO 42 CKT 3P | |
| PNLBD INT NQ 225A MLO 72 CKT 1P | |
| PNLBD INT NQ 225A MLO 72 CKT 3P | |
| PNLBD INT NQ 225A MLO 84 CKT 1P | |
| PNLBD INT NQ 225A MLO 84 CKT 3P | |
| PNLBD INT NQ 400A MLO 30 CKT 1P | |
| PNLBD INT NQ 400A MLO 30 CKT 3P | |
| PNLBD INT NQ 400A MLO 42 CKT 1P | |
| PNLBD INT NQ 400A MLO 42 CKT 3P | |
| PNLBD INT NQ 400A MLO 71 CKT 3P | |
| PNLBD INT NQ 400A MLO 72 CKT 3P | |
| PNLBD INT NQ 400A MLO 84 CKT 1P | |
| PNLBD INT NQ 400A MLO 84 CKT 3P | |
| PNLBD INT NQ 600A MLO 30 CKT 1P | |
| PNLBD INT NQ 600A MLO 30 CKT 3P | |
| PNLBD INT NQ 600A MLO 42 CKT 1P | |
| PNLBD INT NQ 600A MLO 42 CKT 3P | |
| PNLBD INT NQ 600A MLO 84 CKT 1P | |
| PNLBD INT NQ 600A MLO 84 CKT 3P | |
| 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 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 400A 200% NEUTRAL KIT | |
| PNLBD NF DEADFRONT-SERV PART 30C | |
| PNLBD NF DEADFRONT-SERV PART 42C | |
| PNLBD NQ 100A 100% CU NEUTRAL KI | |
| PNLBD NQ 100A 200% NEUTRAL KIT | |
| PNLBD NQ 100A AL COMPRESSION LUG | |
| PNLBD NQ 100A STD AL/CU MECH LUG | |
| PNLBD NQ 100A SUB FEED LUG KIT | |
| PNLBD NQ 12 RAIL EXTENSION KIT | |
| PNLBD NQ 18 RAIL EXTENSION KIT | |
| PNLBD NQ 225A 100% CU NEUTRAL KI | |
| PNLBD NQ 225A 200% NEUTRAL KIT W | |
| PNLBD NQ 225A 200% NEUTRAL KIT | |
| PNLBD NQ 225A AL COMPRESSION LUG | |
| PNLBD NQ 225A CU COMPRESSION LUG | |
| PNLBD NQ 225A FTL KIT 42 CKT AND | |
| PNLBD NQ 225A FTL KIT 54 CKT AND | |
| PNLBD NQ 225A SFB KIT FOR H/J KI | |
| PNLBD NQ 225A SFB KIT FOR Q FRAM | |
| PNLBD NQ 225A STD AL/CU MECH LUG | |
| PNLBD NQ 225A SUB FEED LUG KIT | |
| PNLBD NQ 24 RAIL EXTENSION KIT | |
| PNLBD NQ 400A 200% NEUTRAL KIT | |
| PNLBD NQ 400A AL COMPRESSION LUG | |
| PNLBD NQ 400A CU COMPRESSION LUG | |
| PNLBD NQ 400A CU MECH LUG KIT | |
| PNLBD NQ 400A DUAL H/J SFB KIT | |
| PNLBD NQ 400A DUAL Q SFB KIT | |
| PNLBD NQ 400A FTL KIT 42 CKT AND | |
| PNLBD NQ 400A FTL KIT 54 CKT AND | |
| PNLBD NQ 400A STD AL/CU MECH LUG | |
| PNLBD NQ 400A SUB FEED LUG KIT | |
| PNLBD NQ 6 RAIL EXTENSION KIT | |
| PNLBD NQ 600A 100% CU NEUTRAL KI | |
| PNLBD NQ 600A 3X250 AL/CU MECH L | |
| PNLBD NQ 600A AL COMPRESSION LUG | |
| PNLBD NQ 600A CU COMPRESSION LUG | |
| PNLBD NQ 600A STD AL/CU MECH LUG | |
| PNLBD NQOB 225A MLO LEFT W/O NEU | |
| PNLBD NQOB 225A MLO RIGHT W/O NE | |
| SFB DF (H,J) 225A | |
| SFB DF (H,J) | |
| SFB DF (Q) 225A | |
| SFB DF (Q) 400 / 600A | |
| TVS DEVICE MIXED 34V 6-WDFN | |
| TVS DEVICE MIXED 4.725V 6-WDFN | |
| TVS DEVICE MIXED 43V 6-WDFNW | |
| TVS DEVICE MIXED 55V 6-WDFNW | |
| TVS DEVICE MIXED 7.08V 8-DFN | |
| TVS DEVICE MIXED 7.08V 8-LLGA |
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