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Circuit Protection

Circuit Protection.jpg
Circuit protection is a crucial aspect of electronic components classification. It refers to the measures taken to prevent damage to electronic circuits due to overvoltage, overcurrent, or short circuits. Circuit protection devices such as fuses, circuit breakers, surge protectors, and voltage regulators are used to safeguard electronic components from damage caused by power surges, lightning strikes, and other electrical disturbances. These devices are designed to interrupt the flow of current when the voltage or current exceeds a safe level, thereby protecting the circuit and preventing damage to the electronic components. Circuit protection is essential for ensuring the reliability and longevity of electronic devices and systems.
Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations Termination ECCN Code Max Operating Temperature Min Operating Temperature Depth Operating Supply Voltage Number of Poles Diameter Length RoHS Status Flammability Rating Lead Free Contact Plating Voltage - Rated Current Rating Radiation Hardening Number of Pins Additional Feature Package / Case REACH SVHC Lead Pitch Height Width Approval Agency Resistance Mfr Mounting Type Weight Operating Temperature Size / Dimension Voltage - Rated DC Technology Height Seated (Max) Ratings Voltage - Rated AC Capacitance HTS Code Packing Method Number of Functions Physical Dimension Max Current Rating Max Voltage Rating (DC) Type Capacitance @ Frequency Lead Length JESD-609 Code Terminal Finish Terminal Position Terminal Form Base Part Number Pin Count Temperature Grade Direction Surface Mount Terminal Pitch JESD-30 Code Operating Temperature (Max) Operating Temperature (Min) Subcategory Max Power Dissipation Terminal Shape Reference Standard Body Length or Diameter Body Breadth Rated Current Circuit Protection Type Blow Characteristic Rated Voltage(DC) Body Height Voltage Diode Element Material Number of Elements Configuration Polarity Case Code (Metric) Case Code (Imperial) Tolerance Non-rep Peak Rev Power Dis-Max Current Rating (Amps) Wire/Cable Diameter Number of Circuits Response Time Leakage Current Resistor Type Rated Power Dissipation (P) Working Voltage Terminal Placement Joule Integral-Nom Max Voltage Rating (AC) Thermistor Application Lead Diameter Applications Lead Spacing Lead/Base Style Rated (AC) Voltage (URac) Max Surge Current Element Configuration Voltage Tolerance Varistor Voltage Clamping Current Power Dissipation Breakdown Voltage Energy Reverse Standoff Voltage Max Reverse Leakage Current Peak Pulse Power Test Current Reverse Breakdown Voltage ESD Protection Clamping Voltage Peak Pulse Current Width - Tab Terminal Material Power Dissipation-Max Hold Current Fuse Type Current - Max Voltage - Max Telecom IC Type Time to Trip Trip Current Power Line Protection Resistance @ 25°C Voltage - Breakdown (Min) Current - Hold (Ih) (Max) Thickness (Max) Breaking Capacity @ Rated Voltage Melting I2t DC Cold Resistance Fail Short Voltage - DC Spark Over (Nom) Impulse Discharge Current (8/20μs) Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Current - Trip (It) Power - Peak Pulse Current - Peak Pulse (10/1000μs) Voltage - Clamping (Max) @ Ipp Voltage - Reverse Standoff (Typ) Unidirectional Channels Varistor Voltage (Max) Varistor Voltage (Min) Varistor Voltage (Typ) Maximum AC Volts Current - Surge Maximum DC Volts
CMF-RL50-10-0 CMF-RL50-10-0 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 20 Weeks Through Hole Bulk 2009 CMF-RL Active 1 (Unlimited) 2 Radial EAR99 ROHS3 Compliant Tin Radial, Disc 5.08mm UR 50Ohm Through Hole -40°C~125°C 0.386Lx0.197W 9.80mmx5.00mm 0.532 13.50mm 8533.40.80.70 3A Ceramic e2 5.08mm WIRE 10% 220V OVERLOAD PROTECTION 600 μm 0.200 5.08mm 650V 65mA 3A 220V 600V Int 150ms 150mA 50Ohm
MF-LSMF110X-2 MF-LSMF110X-2 Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 Multifuse?, MF-LSMF 2920 (7351 Metric), Concave cURus Bourns Inc. Surface Mount -40°C ~ 85°C 0.290" L x 0.202" W (7.36mm x 5.12mm) AEC-Q200 Polymeric - - 1.1 A -
MF-RG400-AP MF-RG400-AP Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Tape & Box (TB) 2013 Multifuse®, MF-RG yes Active 1 (Unlimited) ROHS3 Compliant Radial, Disc cURus Through Hole -40°C~85°C 0.390Lx0.118W 9.90mmx3.00mm 0.504 12.80mm AEC-Q200 Polymeric e3 Tin (Sn) MF-RG 0.201 5.10mm 100A 16V 1.7s 4A 21mOhm 60mOhm 6.8A
MF-RHT1100-AP MF-RHT1100-AP Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 9 Weeks Multifuse®, MF-RHT Active 1 (Unlimited) ROHS3 Compliant Radial, Disc Through Hole -40°C~125°C 0.827Lx0.118W 21.00mmx3.00mm 1.028 26.10mm AEC-Q200 Polymeric MF-RHT 0.402 10.20mm 100A 16V 11s 11A 5.5mOhm 13mOhm 20A
MF-FSML250/6-2 MF-FSML250/6-2 Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 download 14 Weeks Tape & Reel (TR) Multifuse®, MF-FSML Active 2A (4 Weeks) ROHS3 Compliant 0603 (1608 Metric), Concave cUL, cURus, TUV Surface Mount -40°C~85°C 0.065Lx0.033W 1.65mmx0.85mm Polymeric 50A 6V 5s 2.5A 0.055 1.40mm 3.5mOhm 60mOhm 5A
MF-LSMF125X-2 MF-LSMF125X-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-LSMF 2920 (7351 Metric), Concave cURus Bourns Inc. Surface Mount -40°C ~ 85°C 0.290" L x 0.202" W (7.36mm x 5.12mm) AEC-Q200 Polymeric - - 1.25 A -
2036-40-B2LF 2036-40-B2LF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Through Hole Tray 2007 Mini-TRIGARD™ 2036 yes Active 1 (Unlimited) 3 Radial 85°C -55°C 5.1mm 3 9.6mm ROHS3 Compliant Lead Free Axial Cylinder, 3 Lead (Radial Bend) No SVHC 4.4mm UL Through Hole 1 e3 Tin (Sn) UNSPECIFIED PIN/PEG 2036 3 OTHER ±20% 800 μm SURGE PROTECTION CIRCUIT No 400V 10000A 10kA
MF-RHT200/32-AP MF-RHT200/32-AP Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 download 7 Weeks Bulk Multifuse®, MF-RHT Active 1 (Unlimited) ROHS3 Compliant Radial, Disc Through Hole -40°C~125°C 0.370Dia x 0.118 T 9.40mmx3.00mm 0.551 14.00mm AEC-Q200 Polymeric MF-RHT 0.201 5.10mm 50A 32V 3s 2A 45mOhm 110mOhm 3.8A
SF-0603HI250F-2 SF-0603HI250F-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Tape & Reel (TR) SinglFuse™ SF-0603HIxxxF Active 1 (Unlimited) ROHS3 Compliant PRE ARCING TIME: OPEN WITHIN 60 SEC AT 200% RATED CURRENT 0603 (1608 Metric) UL Surface Mount -55°C~90°C 0.063Lx0.032W x 0.014 H 1.60mmx0.80mmx0.36mm 35V TR, PAPER, 7 INCH 1.6mm x 0.81mm x 0.36mm e3 Tin (Sn) - with Nickel (Ni) barrier SF-0603 YES WRAPAROUND UL 1.6mm 0.81 mm 2.5A ELECTRIC FUSE 35V 0.36mm 2.5A Board Mount (Cartridge Style Excluded) 35A 0.4 0.0165Ohm
MF-RX050/72-0 MF-RX050/72-0 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Bulk 2008 Multifuse®, MF-RX/72 yes Active 1 (Unlimited) 2 Radial EAR99 72V ROHS3 Compliant UL94 V-0 72V 0.41 TO 0.77 OHMS AT 23 DEG CEL Radial, Disc No SVHC 5.1mm 13.7mm cURus, TUV 770mOhm Through Hole -40°C~85°C 0.311Dia x 0.122 T 7.90mmx3.10mm 72V 0.539 13.70mm 8533.40.80.70 40A Polymeric 7.6mm e3 Tin (Sn) MF-RX NO WIRE 510 μm OVERLOAD PROTECTION 0.201 5.10mm 750mW 500mA 40A 4s 1A 410mOhm 1.17Ohm
P4SMA200A-Q P4SMA200A-Q Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 download 16 Weeks Tape & Reel (TR) Automotive, AEC-Q101, P4SMA Active 1 (Unlimited) ROHS3 Compliant DO-214AC, SMA Surface Mount -55°C~150°C TJ Zener Automotive, Telecom No 190V 400W 1.5A 274V 171V 1
CD214C-T15ALF CD214C-T15ALF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2010 Active 1 (Unlimited) 2 SMD/SMT EAR99 15V ROHS3 Compliant Tin 2 DO-214AB, SMC Surface Mount -55°C~150°C TJ AVALANCHE Zener e3 DUAL C BEND CD214C 2 Unidirectional SILICON 1 400W 5μA General Purpose 61.5A Single 16.7V 15V 5μA 1.5kW 1mA 16.7V Yes 24.4V 61.5A 5W No 1500W 1.5kW 24.4V 1
MF-R185-2-17 MF-R185-2-17 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-R Radial, Disc cUL, cURus, TUV, UL Bourns Inc. Through Hole -40°C ~ 85°C 0.472" Dia x 0.118" T (12.00mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 40 A 30V 8.7 s 1.85 A - 40 mOhms 110 mOhms 3.7 A
MF-SM125-2 MF-SM125-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks PCB, Surface Mount Tape & Reel (TR) 2004 Multifuse®, MF-SM yes Active 1 (Unlimited) 2 SMD/SMT EAR99 15V ROHS3 Compliant Contains Lead Tin 15V 1.25A 2 2-SMD No SVHC 3mm cURus, TUV 250mOhm Surface Mount -40°C~85°C 0.287Lx0.214W 7.31mmx5.44mm 15V AEC-Q200 8533.40.80.50 TR, 14 INCH 100A Polymeric 430μm e3 MF-SM Non-linear Resistors 1.7W FLAT 7351 2920 DUAL ENDED OVERLOAD PROTECTION 1.7W 710μm Brass 1.25A 2s 2.5A 0.118 3.00mm 70mOhm 250mOhm
CD214C-T40ALF CD214C-T40ALF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2010 Active 1 (Unlimited) 2 SMD/SMT EAR99 40V ROHS3 Compliant Tin 2 DO-214AB, SMC Surface Mount -55°C~150°C TJ AVALANCHE Zener e3 DUAL C BEND CD214C 2 Unidirectional SILICON 1 400W 5μA General Purpose 23.3A Single 44.4V 40V 5μA 1.5kW 1mA 44.4V Yes 64.5V 23.3A 5W No 1500W 1.5kW 64.5V 1
2039-80-SMLF 2039-80-SMLF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Surface Mount Bulk 2011 2039 yes Active 1 (Unlimited) 2 SMD/SMT 85°C -55°C 5mm 2 4.4mm ROHS3 Compliant 2-SMD Cylinder Square End 4mm Surface Mount 1 e3 Tin (Sn) UNSPECIFIED UNSPECIFIED 2 OTHER ±20% SURGE PROTECTION CIRCUIT No 800V 2500A 2.5kA
CD214L-T78ALF CD214L-T78ALF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2011 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 ROHS3 Compliant 2 DO-214AB, SMC Surface Mount -55°C~150°C TJ AVALANCHE Zener e3 Matte Tin (Sn) DUAL C BEND CD214L 2 SILICON 1 SINGLE Unidirectional General Purpose 78V 5μA 3kW 126V 22.8A 5W No 86.7V 3000W 3kW 78V 1
CMF-RL35A-10-0 CMF-RL35A-10-0 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 20 Weeks Through Hole Bulk 2009 CMF-RL Active 1 (Unlimited) 2 Radial ROHS3 Compliant Tin Radial, Disc 5mm UR 35Ohm Through Hole -40°C~125°C 0.295Lx0.220W 7.50mmx5.60mm 0.512 13.00mm 3A Ceramic e3 5mm WIRE 10% 220V OVERLOAD PROTECTION 600 μm 0.197 5.00mm 650V 75mA 3A 220V 600V Int 150ms 150mA 35Ohm
MF-R040-AP MF-R040-AP Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Through Hole Tape & Box (TB) 2011 Multifuse®, MF-R yes Active 1 (Unlimited) 2 Radial 60V ROHS3 Compliant 40A No Radial, Disc 5.1mm cURus, TUV 860mOhm Through Hole -40°C~85°C 0.291Dia x 0.122 T 7.40mmx3.10mm 60V 0.539 13.70mm AMMO PACK 40A Polymeric e3 Tin (Sn) MF-R040 WIRE TEMPERATURE SENSING 510 μm 0.201 5.10mm 550mW 400mA 3.8s 800mA 400mA 520mOhm 1.29Ohm
MF-FSML100/8-2 MF-FSML100/8-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Tape & Reel (TR) Multifuse®, MF-FSML Active 2A (4 Weeks) ROHS3 Compliant 0603 (1608 Metric), Concave cUL, cURus, TUV Surface Mount -40°C~85°C 0.065Lx0.033W 1.65mmx0.85mm Polymeric 50A 8V 2s 1A 0.028 0.70mm 40mOhm 220mOhm 2A
MF-RHT400-2-14 MF-RHT400-2-14 Bourns Inc. 0.0000
RFQ

Min: 1

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0.00000000 Multifuse?, MF-RHT Radial, Disc cUL, cURus, TUV Bourns Inc. Through Hole -40°C ~ 125°C 0.394" L x 0.118" W (10.00mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 100 A 16V 5 s 4 A - 24 mOhms 60 mOhms 7.5 A
2036-30-SMLF 2036-30-SMLF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Bulk 2011 Mini-TRIGARD™ 2036-SM Active 1 (Unlimited) Solder 85°C -55°C 5mm 3 7.3mm ROHS3 Compliant 3-SMD Cylinder Square End UL Surface Mount 1 e3 Tin (Sn) UNSPECIFIED UNSPECIFIED 2036 3 OTHER X-XXSS-X ±20% SURGE PROTECTION CIRCUIT No 300V 10000A 10kA
SF-0603SP450M-2 SF-0603SP450M-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Tape & Reel (TR) SinglFuse™ SF-0603SPxxxM Active 1 (Unlimited) ROHS3 Compliant SINGLFUSE, PRE ARCING TIME: OPEN WITHIN 1 TO 120 SEC AT 200% RATED CURRENT 0603 (1608 Metric) Surface Mount -55°C~150°C 0.063Lx0.031W 1.60mmx0.80mm 32V TR, PAPER, 7 INCH 1.6mm x 0.8mm x 0.8mm SF-0603 YES WRAPAROUND UL 1.6mm 0.8 mm 4.5A ELECTRIC FUSE TIME LAG 0.8mm 4.5A Slow Blow 2 J Board Mount (Cartridge Style Excluded) 50A 2.7 0.015Ohm
2026-15-A1 2026-15-A1 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 5 Weeks Surface Mount Tube 2006 TRIGARD® 2026 Active 1 (Unlimited) 3 3 Non-RoHS Compliant Contains Lead Cylinder No Lead, 3 Terminal User Defined 1 UNSPECIFIED PIN/PEG 2026 INDUSTRIAL 90°C -40°C ±20% 40kA SURGE PROTECTION CIRCUIT No 150V 20000A 20kA
P4SMA22A-Q P4SMA22A-Q Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Tape & Reel (TR) Automotive, AEC-Q101, P4SMA Active 1 (Unlimited) ROHS3 Compliant DO-214AC, SMA Surface Mount -55°C~150°C TJ Zener Automotive, Telecom No 20.9V 400W 13.4A 30.6V 18.8V 1
SF-0603S400M-2 SF-0603S400M-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Tape & Reel (TR) SinglFuse™ SF-0603SxxxM Active 1 (Unlimited) ROHS3 Compliant SINGLFUSE, PRE ARCING TIME: OPEN WITHIN 5 SEC AT 250% RATED CURRENT 0603 (1608 Metric) Surface Mount -55°C~125°C 0.063Lx0.031W x 0.037 H 1.60mmx0.80mmx0.95mm 32V 32V TR, PAPER, 7 INCH 1.6mm x 0.8mm x 0.8mm SF-0603 YES WRAPAROUND UL 1.6mm 0.8 mm 4A ELECTRIC FUSE 0.8mm 4A Slow Blow Board Mount (Cartridge Style Excluded) 35A 0.5 0.018Ohm
CG0805MLA-18KE CG0805MLA-18KE Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2012 ChipGuard® MLA Active 1 (Unlimited) SMD/SMT EAR99 1.25mm 18V 2mm ROHS3 Compliant 5A No 8 0805 (2012 Metric) 2mm Surface Mount, MLCV -40°C~85°C TA 18V 14V 17pF 18V 15pF @ 1MHz CG0805 Bidirectional 18V 2012 0805 10% 4 VARISTOR 18V 14V 5A 28V 28V 0.01J 58V 30.8V 25.2V
MOV-20D152KTR MOV-20D152KTR Bourns Inc. 0.0000
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Min: 1

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0.00000000 download Radial, Through Hole Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) 85°C -40°C 20mm ROHS3 Compliant 50A Disc 20mm 7.5mm Through Hole 3.000003g -40°C~85°C TA 1.5kV 150pF 990V 320pF @ 1kHz MOV-20 10% 1 750V 6.5kA 1.5kV 383J 1.98kV 1.65kV 1.35kV 1.5kV 750V 6.5kA 990V
MOV-07D151KTR MOV-07D151KTR Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 14 Weeks Radial, Through Hole Tape & Reel (TR) 2010 Active 1 (Unlimited) 2 4mm 7mm ROHS3 Compliant No Disc 7mm 5mm 6.8mm Through Hole -40°C~85°C TA 165V METAL OXIDE FILM 330pF 125V 330pF @ 1kHz e3 Tin (Sn) MOV-07 WIRE 10% 1 VARISTOR 0.25W 95V Radial 1.2kA 10% 150V 10A 9.7J 250V 165V 135V 95V
2027-25-B19 2027-25-B19 Bourns Inc. 0.0000
RFQ

Min: 1

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0.00000000 2027 Last Time Buy 1 (Unlimited) 2 2 Non-RoHS Compliant Axial Cylinder, Radial Bend Through Hole 1 UNSPECIFIED UNSPECIFIED OTHER NO 85°C -55°C ±15% SURGE PROTECTION CIRCUIT No 250V 10000A 10kA
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