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
110 TO 130VAC H/J/L-FRAME SHUNT
110-130VAC H/J/L-FRAME CB UNDERV
120V, 240V Off-State 150A Ipp TVS Thyristor TO-220-3 No Tab
120V, 240V Off-State 250A Ipp TVS Thyristor TO-220-3 No Tab
120V, 240V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
125VDC H/J/L-FRAME SHUNT TRIP
125VDCH/J/L-FRAME CB UNDERVOLTAG
12VDC H/J/L-FRAME CB UNDERVOLTAG
12VDC H/J/L-FRAME SHUNT TRIP
140V, 280V Off-State 150A Ipp TVS Thyristor TO-220-3 No Tab
140V, 280V Off-State 250A Ipp TVS Thyristor TO-220-3 No Tab
140V, 280V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
170V, 340V Off-State 150A Ipp TVS Thyristor TO-220-3 No Tab
170V, 340V Off-State 250A Ipp TVS Thyristor TO-220-3 No Tab
170V, 340V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
190V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
190V, 380V Off-State 150A Ipp TVS Thyristor TO-220-3 No Tab
190V, 380V Off-State 250A Ipp TVS Thyristor TO-220-3 No Tab
190V, 380V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
208-277VAC H/J/L-FRAME SHUNT TRI
208-277VDC H/J/L-FRAME CB UNDERV
220V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB
220V Off-State 1kA Ipp TVS Thyristor DO-214AA, SMB
220V Off-State 2.5kA Ipp TVS Thyristor DO-214AB, SMC
220V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
220V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB
220V Off-State 800A Ipp TVS Thyristor DO-214AA, SMB
220V, 440V Off-State 150A Ipp TVS Thyristor 6-SMD, Gull Wing
220V, 440V Off-State 150A Ipp TVS Thyristor TO-220-3 No Tab
220V, 440V Off-State 250A Ipp TVS Thyristor 6-SMD, Gull Wing
220V, 440V Off-State 250A Ipp TVS Thyristor TO-220-3 No Tab
220V, 440V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing
220V, 440V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
230V Off-State 150A Ipp TVS Thyristor 6-SMD, Gull Wing
230V Off-State 150A Ipp TVS Thyristor TO-220-3 No Tab
230V Off-State 250A Ipp TVS Thyristor 6-SMD, Gull Wing
230V Off-State 250A Ipp TVS Thyristor TO-220-3 No Tab
230V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing
230V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
24VAC H/J/L-FRAME SHUNT TRIP
24VACH/J/L-FRAME CB UNDERVOLTAGE
24VDC H/J/L-FRAME SHUNT TRIP
24VDCH/J/L-FRAME CB UNDERVOLTAGE
250VDC H/J/L-FRAME CB UNDERVOLTA
250VDC H/J/L-FRAME SHUNT TRIP
270V Off-State 150A Ipp TVS Thyristor 6-SMD, Gull Wing
270V Off-State 150A Ipp TVS Thyristor TO-220-3 No Tab
270V Off-State 250A Ipp TVS Thyristor 6-SMD, Gull Wing
270V Off-State 250A Ipp TVS Thyristor TO-220-3 No Tab
270V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing
270V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
275V Off-State 150A Ipp TVS Thyristor 2-TDFN
275V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB
275V Off-State 150A Ipp TVS Thyristor DO-214AC, SMA
275V Off-State 150A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC) (Formed Leads)
275V Off-State 150A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC)
275V Off-State 1kA Ipp TVS Thyristor DO-214AA, SMB
275V Off-State 2.5kA Ipp TVS Thyristor DO-214AB, SMC
275V Off-State 250A Ipp TVS Thyristor 2-TDFN
275V Off-State 250A Ipp TVS Thyristor DO-204AC, DO-15, Axial
275V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
275V Off-State 250A Ipp TVS Thyristor DO-214AC, SMA
275V Off-State 250A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC) (Formed Leads)
275V Off-State 250A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC)
275V Off-State 3kA Ipp TVS Thyristor TO-262M-2
275V Off-State 400A Ipp TVS Thyristor 2-TDFN
275V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB
275V Off-State 400A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC) (Formed Leads)
275V Off-State 400A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC)
275V Off-State 5kA Ipp TVS Thyristor TO-218-3, TO-218AC
275V Off-State Ipp TVS Thyristor DO-214AA, SMB
275V, 550V Off-State 150A Ipp TVS Thyristor 6-SMD, Gull Wing
275V, 550V Off-State 150A Ipp TVS Thyristor TO-220-3 No Tab
275V, 550V Off-State 250A Ipp TVS Thyristor 6-SMD, Gull Wing
275V, 550V Off-State 250A Ipp TVS Thyristor TO-220-3 No Tab
275V, 550V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing
280V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB
280V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
280V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB
300V Off-State 150A Ipp TVS Thyristor 6-SMD, Gull Wing
300V Off-State 150A Ipp TVS Thyristor TO-220-3 No Tab
300V Off-State 250A Ipp TVS Thyristor 6-SMD, Gull Wing
300V Off-State 250A Ipp TVS Thyristor TO-220-3 No Tab
300V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing
300V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
30VDC H/J/L-FRAME CB UNDERVOLTAG
30VDC H/J/L-FRAME SHUNT TRIP
320V Off-State 150A Ipp TVS Thyristor 2-TDFN
320V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB
320V Off-State 150A Ipp TVS Thyristor DO-214AC, SMA
320V Off-State 150A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC) (Formed Leads)
320V Off-State 150A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC)
320V Off-State 1kA Ipp TVS Thyristor DO-214AA, SMB
320V Off-State 2.5kA Ipp TVS Thyristor DO-214AB, SMC
320V Off-State 250A Ipp TVS Thyristor 2-TDFN
320V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
320V Off-State 250A Ipp TVS Thyristor DO-214AC, SMA
320V Off-State 250A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC) (Formed Leads)
320V Off-State 250A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC)
320V Off-State 3kA Ipp TVS Thyristor TO-262M-2
320V Off-State 400A Ipp TVS Thyristor 2-TDFN
320V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB
320V Off-State 400A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC) (Formed Leads)
320V Off-State 400A Ipp TVS Thyristor TO-226-2, TO-92-2 (TO-226AC)
320V Off-State 5kA Ipp TVS Thyristor TO-218-3, TO-218AC
320V, 640V Off-State 150A Ipp TVS Thyristor 6-SMD, Gull Wing
320V, 640V Off-State 250A Ipp TVS Thyristor 6-SMD, Gull Wing
320V, 640V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing
350V Off-State 2.5kA Ipp TVS Thyristor DO-214AB, SMC
350V Off-State 3kA Ipp TVS Thyristor TO-262M-2
350V Off-State 5kA Ipp TVS Thyristor TO-218-3, TO-218AC
380 TO 415VAC H/J/L-FRAME SHUNT
380-480VDCH/J/L-FRAM E CB UNDERVO
380V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB
380V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
400V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB
400V Off-State 550A Ipp TVS Thyristor 8-LDFN
400V Off-State 80A Ipp TVS Thyristor DO-214AA, SMB
400V Off-State Ipp TVS Thyristor 2-SMD
400V Off-State Ipp TVS Thyristor DO-214AA, SMB
420V Off-State 150A Ipp TVS Thyristor 6-SMD, Gull Wing
420V Off-State 150A Ipp TVS Thyristor TO-220-3 No Tab
420V Off-State 250A Ipp TVS Thyristor 6-SMD, Gull Wing
420V Off-State 250A Ipp TVS Thyristor TO-220-3 No Tab
420V Off-State 400A Ipp TVS Thyristor 6-SMD, Gull Wing
420V Off-State 400A Ipp TVS Thyristor TO-220-3 No Tab
440V Off-State 150A Ipp TVS Thyristor DO-214AA, SMB
440V Off-State 250A Ipp TVS Thyristor DO-214AA, SMB
440V Off-State 400A Ipp TVS Thyristor DO-214AA, SMB
450V Off-State 5kA Ipp TVS Thyristor TO-218-3, TO-218AC
48VAC H/J/L-FRAME SHUNT TRIP
48VACH/J/L-FRAME CB UNDERVOLTAGE
48VDC H/J/L-FRAME SHUNT TRIP
48VDCH/J/L-FRAME CB UNDERVOLTAGE
525 TO 600VAC H/J/L-FRAME SHUNT
525-600VAC H/J/L-FRAME CB UNDERV
60VDC H/J/L-FRAME CB UNDERVOLTAG
60VDC H/J/L-FRAME SHUNT TRIP
BUSBAR DIRECT POWER FEED
BUSBAR TERMINAL POWER FEED LUG
MN/UVR SPRING WIRE HARNESS H/J/L
MX/SHUNT SPRING WIRE HARNESS H/J
Off-State Ipp TVS Thyristor DO-214AA, SMB
Off-State Ipp TVS Thyristor
SIDACtor Bi 275V 2000A DO214AB
SIDACtor Bi 320V 2000A DO214AB
SIDACtor Bi 350V 2000A DO214AB
THYRISTOR 220V 150A DO-214AA
THYRISTOR 220V 3KA DO-214AB
THYRISTOR 220V 400A DO-214AA
THYRISTOR 220V 80A DO-214AA
THYRISTOR 270V 150A 6-SMD
THYRISTOR 270V 400A 3-SIP
THYRISTOR 275V 150A DO-214AC
THYRISTOR 275V 3KA DO-214AB
THYRISTOR 275V 400A DO-214AA
THYRISTOR 275V 45A DO-214AA
THYRISTOR 275V DO-214AA
THYRISTOR 320V 150A DO-204AC
THYRISTOR 320V 150A DO-214AA
THYRISTOR 320V 150A DO-214AC
THYRISTOR 320V 250A DO-204AC
THYRISTOR 320V 3KA DO-214AB
THYRISTOR 320V 400A DO-214AA
THYRISTOR 320V 80A DO-214AA
THYRISTOR 320V DO-214AA
THYRISTOR 350V 3KA DO-214AB
THYRISTOR 380V 400A DO-214AA
THYRISTOR 440V 400A DO-214AA

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