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 | |
| 20W 92H SURFACE TRIM | |
| 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 | |
| BOX ASSMBLY 92H 20W 8.75D | |
| BOX ASY WITHOUT KNOCKOUTS | |
| 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 | |
| BREAKER PD/RD 3P ENCL NEUT | |
| BREAKER SPD 1600A NEUT TRANSFORM | |
| BREAKERLESS KIT | |
| CABINET FOR MEASUREMENT OF 13 TE | |
| CAT5E ETHERNET SPD | |
| Circuit Breaker AC DC | |
| CIRCUIT BREAKER PADLOCK ATTACHME | |
| 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 | |
| INDICATOR SWITCH 1500V SPNH SOLI | |
| INDICATOR SWITCH SQUARE BODY 100 | |
| INDICATOR SWITCH SQUARE BODY 150 | |
| MECH INTERLOCK UTS150N&UTS250N | |
| MECH INTERLOCK UTS400N&UTS600N | |
| METERING EZM/R/H 200A SOCKET REP | |
| METERING MP BLANK METER SOCKET C | |
| METERING MP, EZM METER SOCKET CO | |
| METERING MPR/H EZMR/H METER SOCK | |
| MTRING MP/R/H EZM/R/H 125A SKT R | |
| MU25 SERIES MMS ENCLOSURE IP55 | |
| NF 30 CIRCUIT 600A PPL HEAT SINK | |
| NF 400A AL 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 MECH RTI KIT | |
| NF POWERPACT L MB OR SFB KIT | |
| NF POWERPACT L SUB FEED BREAKER | |
| NQLC 50IN TRIM DOOR ASSY | |
| NQLC 62IN TRIM DOOR ASSY | |
| NUMBER STRIP 103-204 ODD/EVEN IL | |
| NUMBER STRIP 103-204 SEQ ILINE & | |
| PANELBOARD CABLE TROUGH | |
| PANELBOARD CONTACTOR COVER FLUSH | |
| PANELBOARD CONTACTOR COVER SURFA | |
| PANELBOARD COPPER COMPRESSION LU | |
| PANELBOARD COVER/TRIM NF S 3PT 7 | |
| PANELBOARD COVER/TRIM NF TYPE 1 | |
| PANELBOARD COVER/TRIM TYPE 1 F 3 | |
| PANELBOARD COVER/TRIM TYPE 1 S 5 | |
| PANELBOARD ENCL/BOX TYPE 3R/12 2 | |
| PANELBOARD ENCL/BOX TYPE 3R/12 3 | |
| PANELBOARD ENCL/BOX TYPE 3R/12 5 | |
| PANELBOARD ENCL/BOX TYPE 3R/12 6 | |
| PANELBOARD ENCLOSURE/BOX TYPE 1 | |
| 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 PULL BOX | |
| PANELBOARD TRIM KIT | |
| 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 | |
| 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 CONTACTOR COVER SURFACE BO | |
| 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 ENCLOSURE/BOX T-1 50H20W8. | |
| PNLBD ENCLOSURE/BOX T-1 62H20W8. | |
| PNLBD ENCLOSURE/BOX T-1 80H20W8. | |
| PNLBD ENCLOSURE/BOX T-3R/12 62H | |
| PNLBD ENCLOSURE/BOX T-3R/12 80H | |
| PNLBD ENCLOSURE/BOX T-3R/12 86H | |
| 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 STD AL/CU MECH LUG | |
| PNLBD NF 18 RAIL EXTENSION KIT | |
| PNLBD NF 250A H FRAME SUB FEED C | |
| PNLBD NF 250A J FRAME SUB FEED C | |
| PNLBD NF 600A H FRAME SUB FEED C | |
| PNLBD NF 600A J FRAME SUB FEED C | |
| 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 | |
| POE, POE++ SPD | |
| Polymeric PTC Resettable Fuse 12V 1.5A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 2.6A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 3.5A Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 12V 4.5A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 12V 4A Ih Surface Mount 1206 (3216 Metric) | |
| 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 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 13.2V 500mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 13.2V 750mA Ih Surface Mount 1812 (4532 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 1.5A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 1.9A Ih Surface Mount 4520 (11350 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 2.6A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 250mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 2A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 16V 350mA Ih Surface Mount 1206 (3216 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 300mA Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 24V 500mA 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 100mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 100mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 160mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 200mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 300mA Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 30V 350mA Ih Surface Mount 1206 (3216 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 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 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 6V 1.1A Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.1A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.25A Ih Surface Mount 1812 (4532 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 1.5A Ih Surface Mount 1206 (3216 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 1206 (3216 Metric) | |
| 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 2.5A 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 2.7A 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 2A Ih Surface Mount 1210 (3225 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 3.5A Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 6V 350mA 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 750mA Ih Surface Mount 1206 (3216 Metric), Concave | |
| Polymeric PTC Resettable Fuse 6V 750mA Ih Surface Mount 1206 (3216 Metric) | |
| Polymeric PTC Resettable Fuse 6V 750mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| 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 1.5A 1812 | |
| PTC RESET FUSE 60V 100MA 1206 | |
| PTC Resettable Fuse 6V 350mA Ih Surface Mount 1210 (3225 Metric), Concave | |
| 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 4.6V 5-TSOP | |
| TVS DEVICE MIXED 5-TSOP | |
| TVS DEVICE MIXED 5.65V 5-TSOP | |
| 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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