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

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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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