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
190V Off-State Ipp TVS Thyristor DO-214AA, SMB
270V, 400V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing
3PH INFEED TERMINAL TYPE E 3RV29
3R 3IN HANDLE KIT, LONG SHAFT
3R 6IN HANDLE KIT, LONG SHAFT
3R 6IN HANDLE KIT
400V Off-State 250A Ipp TVS Thyristor 6-SMD, Gull Wing
50V, 170V Off-State 150A Ipp TVS Thyristor 6-SMD, Gull Wing
50V, 170V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing
50V, 170V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
54V, 78V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB
ACTI 9 COMB BUSBAR 3P 100A 6 MOD
ACTI9 COMB BUSBAR 1P 100A 12 MOD
ACTI9 COMB BUSBAR 1P 100A 24 MOD
ACTI9 COMB BUSBAR 1P 100A 57 MOD
ACTI9 COMB BUSBAR 2P 100A 12 MOD
ACTI9 COMB BUSBAR 2P 100A 24 MOD
ACTI9 COMB BUSBAR 2P 100A 57 MOD
ACTI9 COMB BUSBAR 3P 100A 12 MOD
ACTI9 COMB BUSBAR 3P 100A 24 MOD
ACTI9 COMB BUSBAR 3P 100A 57 MOD
ACTI9 COMB BUSBAR 4P 100A 12 MOD
ACTI9 COMB BUSBAR 4P 100A 24 MOD
ACTI9 COMB BUSBAR 4P 100A 57 MOD
ACTI9 IIL SINGLE INDICATOR LIGHT
ACTI9 IPB 1NO SINGLE PUSH BUTTON
ACTI9 ISW SWITCH 1P 20A 250V
ACTI9 ISW SWITCH 2P 20A 415V
ACTI9 SET OF 10 END CAPS 1P
ACTI9 SET OF 10 END CAPS 2P
ACTI9 SET OF 10 END CAPS 3P
ACTI9 SET OF 10 END CAPS 4P
ACTI9 SET OF 4 CONNECTORS MONOCO
ALARM SWITCH 1NO 1 NC CONTACTS
ALARM SWITCH LEFT MOUNTING
ALARM SWITCH RIGHT MOUNTING
ANTI-SLIP GUARD FOR NH DISCONNEC
ANTI-SLIP GUARD FOR SUPPORT RAIL
AUXILIARY CONTACT 1 OCS
AUXILILLARY SWITCH LEFT MOUNTING
AUXILILLARY SWITCH RIGHT MOUNT
AUXILILLARY SWITCH
BAYING CONNECTOR FOR E-CU 15X5-3
BOX TERMINAL FOR NH DISCONNECTOR
BREAKER ED 240VAC BA ACC
BREAKER FD 240VAC 2AUX SWITCH AC
BREAKER FD 240VAC AUX SWITCH ACC
BREAKER FD 480VAC AUX SWITCH ACC
BREAKER LD/LD/LMD 480VAC BA ACC
BUS-MOUNTING FUSE BASE 32 A, 3-P
BUS-MOUNTING FUSE BASE 63 A, 3-P
CABLE OPERATED CB MECHANISM, 120
CABLE OPERATED CB MECHANISM, 36
CABLE OPERATED CB MECHANISM, 60
CABLE OPERATING MECHANISM NEMA
CB COMPONENT ADAPTOR 160 A, 3-PO
CB COMPONENT ADAPTOR 250 A, 3-PO
CB COMPONENT ADAPTOR 400 A, 3-PO
CB COMPONENT ADAPTOR 630 A, 3-PO
CB HANDLE PADLOCK ATTACHMENT
Ceramic PTC Resettable Fuse 1.0kV Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 135VAC 110mA Ih Surface Mount 4-SMD
Ceramic PTC Resettable Fuse 135VAC 75mA Ih Surface Mount 4-SMD
Ceramic PTC Resettable Fuse 135VAC 90mA Ih Surface Mount 4-SMD
Ceramic PTC Resettable Fuse 160V 125mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 160V 180mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 160V 250mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 24V 310mA Ih Surface Mount 4032 (10080 Metric)
Ceramic PTC Resettable Fuse 24V 355mA Ih Surface Mount 2-SMD
Ceramic PTC Resettable Fuse 265V 100mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 110mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 140mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 15mA Ih Surface Mount 1210 (3225 Metric)
Ceramic PTC Resettable Fuse 265V 170mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 200mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 330mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 450mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 460mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 60mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 650mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 70mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 80mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 265V 90mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 30V 100mA Ih Surface Mount 4032 (10080 Metric)
Ceramic PTC Resettable Fuse 30V 165mA Ih Surface Mount 3225 (8063 Metric)
Ceramic PTC Resettable Fuse 30V 70mA Ih Surface Mount 1210 (3225 Metric)
Ceramic PTC Resettable Fuse 30V 90mA Ih Surface Mount 1210 (3225 Metric)
Ceramic PTC Resettable Fuse 32V 13mA Ih Surface Mount 0402 (1005 Metric)
Ceramic PTC Resettable Fuse 420V Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 440V 87mA Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 550V Ih Through Hole Radial, Disc
Ceramic PTC Resettable Fuse 60V 20mA Ih Surface Mount 0603 (1608 Metric)
Ceramic PTC Resettable Fuse 80V 100mA Ih Surface Mount 2-SMD
Ceramic PTC Resettable Fuse 80V 150mA Ih Surface Mount 4032 (10080 Metric)
Ceramic PTC Resettable Fuse 80V 40mA Ih Surface Mount 3225 (8063 Metric)
Ceramic PTC Resettable Fuse 80V 50mA Ih Surface Mount 1210 (3225 Metric)
Ceramic PTC Resettable Fuse 80V 65mA Ih Surface Mount 3225 (8063 Metric)
Ceramic PTC Resettable Fuse 80V 70mA Ih Surface Mount 3225 (8063 Metric)
Ceramic PTC Resettable Fuse 80V 80mA Ih Surface Mount 4032 (10080 Metric)
Ceramic PTC Resettable Fuse 80V Ih Surface Mount 0603 (1608 Metric)
CIRCUIT BREAKER MECHANICAL LUG K
CIRCUIT BREAKER OP MECH FOR 400A
CIRCUIT BREAKER TAPPED LUG KIT (
CIRCUIT BREAKER TAPPED LUG KIT 3
CLAMP-TYPE TERMINAL FOR NH DISCO
COMPONENT ADAPTOR 100 A, AWG 2,
COMPONENT ADAPTOR 16 A, AWG 14,
COMPONENT ADAPTOR 25 A, AWG 12,
COMPONENT ADAPTOR 32 A, AWG 10,
COMPONENT ADAPTOR 45 A, AWG 8, 3
COMPONENT ADAPTOR 65 A, AWG 6, 3
COMPONENT ADAPTOR 80 A, AWG 4, 3
COMPONENT SUPPORT W: 45 MM
COMPONENT SUPPORT W: 54 MM
CONNECT ADPTR 125A 690V 6 1=4PCS
CONNECTION ADAPTOR 1-POLE, W/H:
CONNECTION ADAPTOR 1-POLE, W: 72
CONNECTION ADAPTOR 3-POLE, W: 12
CONNECTION ADAPTOR 3-POLE, W: 14
CONNECTION ADAPTOR 3-POLE, W: 60
CONNECTION ADAPTOR 3-POLE, W: 90
CONNECTION PIN FOR COMPONENT ADA
CONNECTION SPACE COVER FOR NH DI
CONTACT HAZARD PROTECTION FOR NH
CONTACT HAZARD PROTECTION PROFIL
DIRECT OPERATING HANDLE
DOOR MOUNTED OP MECH FOR 400A BR
DOOR MOUNTED OPERATING MECHANISM
DOUBLE MOUNTED MECH 250 AMP
EXPANSION BLOCK FOR COMPONENT AD
FASTENING CLIP FOR CONTACT HAZAR
FUSE-SWITCH DISCONNECTOR 63 A, 3
HANDLE 31055-564-51*****
HEIGHT-ADJUSTABLE SUPPORT RAIL,
INSERT STRIP FOR COMPONENT ADAPT
LOADBREAK SWITCH 600VAC 20A IEC
LOADBREAK SWITCH 600VAC 25A IEC
LOCKING PIN FOR SUPPORT RAIL
LOCKING SCREW FOR SUPPORT RAIL
MICRO-SWITCH FOR NH DISCONNECTOR
NH FUSE-SWITCH DISCONNECTOR SIZE
Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing
Off-State Ipp TVS Thyristor
OPERATING MECHANISM + A1 LA
OPERATING MECHANISM 600VAC 1000A
OPERATING MECHANISM 600VAC 100AM
OPERATING MECHANISM 600VAC 250AM
OPERATING MECHANISM 600VAC 400AM
OPERATING MECHANISM 600VAC 800AM
OPERATING MECHANISM HANDLE NEMA
OPERATING MECHANISM HANDLE
OPERATING MECHANISM LONG SHAFT N
OPERATING MECHANISM STANDARD SHA
OPERATING MECHNAISM HANDLE NEMA
PLASTIC SCREW FOR RILINEX BOARD
Polymeric PTC Resettable Fuse 16V 1.04A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 16V 1.27A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 16V 1.2A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 16V 1.6A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 16V 1.73A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 16V 1.85A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 16V 1.97A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 16V 10A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 11A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 12A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 13A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 14A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 15A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 2A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 16V 2A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 3.5A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 3A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 16V 3A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 4.5A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 4A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 5.5A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 5A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 6.5A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 6A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 7.5A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 7A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 800mA Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 16V 8A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 16V 9A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 24V 3A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 30V 1A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 30V 500mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 30V 600mA Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 30V 700mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 30V 900mA Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 32V 10A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 32V 1A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 32V 3A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 32V 500mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 32V 5A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 32V 7.5A Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 32V 700mA Ih Through Hole Radial, Disc
Polymeric PTC Resettable Fuse 33V 1.25A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 33V 1.2A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 33V 1.85A Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 33V 750mA Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 60V 230mA Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 60V 300mA Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 60V 370mA Ih Surface Mount 2-SMD
Polymeric PTC Resettable Fuse 60V 500mA Ih Surface Mount 2-SMD
PPTC-SMD-PSW
PTC RESET FUSE 16V 14A RADIAL
PTC RESET FUSE 24V 310MA 4032
PTC RESET FUSE 30V 100MA 4032
PVC INSULATION BOOT FUSEHOLDER
ROTARY OPERATING MECH 600VAC 250
RX BUS-MOUNTING FUSE BASE 32 A,
SET OF 20 TOOTH CAPS
SPD 230VAC MCOV 1 POLE
SPD TYPE 1 150VAC MCOV 1 POLE
SPD TYPE 1 150VAC MCOV 2 POLE
SPD TYPE 1 300VAC MCOV 1 POLE
SPD TYPE 1 300VAC MCOV 2 POLE
SPD TYPE 1 550VAC MCOV 3 POLE
SUPPORT RAIL W: 45 MM
SUPPORT RAIL W: 54 MM
SUPPORT RAIL WITH LOCKING CLIP,
TERMINAL STUD M12 32MM 1=3 PCS
TERMINAL STUD, M12, L: 30MM 1=3P
THERMISTOR PTC 25 OHM 25% 2SMD
THERMISTOR PTC 25% 4032
THERMISTOR PTC 35 OHM 15% 4SMD
THERMISTOR PTC 470 OHM 25% 0402
THERMISTOR PTC 50 OHM 15% 4SMD
TVS DEV MIXED ADJUSTABLE MS-013
TVS DEVICE MIXED 16-TSSOP
TVS DEVICE MIXED 40V 18SOIC
TVS DEVICE MIXED 40V 20-SSOP
TVS DEVICE MIXED 40V 8-MSOP
TVS DEVICE MIXED 40V SOT-23-6
TVS DEVICE MIXED ADJ DO-214AA
TYPE L CB MECH KIT WITH HANDLE,
TYPE L CIRCUIT BRKR MECH, B-FRAM
WSK-ACCE FUSE HOLDER 5X20MM ACCE

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