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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 Impedance 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 Peak Reflow Temperature (Cel) Time@Peak Reflow Temperature-Max (s) 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 Body Material Terminal Shape Reference Standard Body Length or Diameter Body Breadth Rated Current Circuit Protection Type Blow Characteristic Body Height Diode Element Material Number of Elements Configuration Diode Type Rep Pk Reverse Voltage-Max Polarity Tolerance Case Connection 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 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 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 Bidirectional Channels Varistor Voltage (Max) Varistor Voltage (Min) Varistor Voltage (Typ) Maximum AC Volts Current - Surge Maximum DC Volts
2026-47-C4 2026-47-C4 Bourns Inc. 0.0000
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0.00000000 download 5 Weeks Through Hole Tube 2006 TRIGARD® 2026 Active 1 (Unlimited) 3 3 Non-RoHS Compliant Contains Lead Radial Cylinder, 3 Lead Through Hole 1 UNSPECIFIED PIN/PEG 2026 INDUSTRIAL 90°C -40°C ±20% 40kA SURGE PROTECTION CIRCUIT No 470V 20000A 20kA
PTVS3-076C PTVS3-076C Bourns Inc. 0.0000
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0.00000000 download Through Hole Bulk 2012 Obsolete Not Applicable 2 EAR99 ROHS3 Compliant UL RECOGNIZED Axial, Right Angle Bend (24.15mm Center) Through Hole -55°C~150°C TJ AVALANCHE Zener PTVS3 SILICON 1 SINGLE BIDIRECTIONAL General Purpose 76V 130V 3kA No 85V 3000A 3kA 8/20μs 1
CMF-RL50A-0 CMF-RL50A-0 Bourns Inc. 0.0000
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0.00000000 download 20 Weeks Through Hole Bulk 2009 CMF-RL Active 1 (Unlimited) 2 Radial EAR99 220V ROHS3 Compliant Tin 3A Radial, Disc No SVHC 5mm 5.6mm UR 50Ohm Through Hole -40°C~125°C 0.295Lx0.220W 7.50mmx5.60mm 220V 0.512 13.00mm 220V 8533.40.80.70 3A Ceramic 3.5mm e3 5mm WIRE 20% 600 μm 220V OVERLOAD PROTECTION 600 μm 0.197 5.00mm 650V 50mA 220V 600V Int 100ms 100mA 50Ohm 50mA
2027-42-ALF 2027-42-ALF Bourns Inc. 0.0000
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0.00000000 download 6 Weeks Surface Mount Bulk 2011 2027 Active 1 (Unlimited) 2 Solder 85°C -55°C 2 ROHS3 Compliant Cylinder No Lead UL User Defined 1 e3 Tin (Sn) UNSPECIFIED UNSPECIFIED OTHER ±15% SURGE PROTECTION CIRCUIT No 420V 10000A 10kA
SF-0402S400M-2 SF-0402S400M-2 Bourns Inc. 0.0000
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0.00000000 download 8 Weeks Tape & Reel (TR) SinglFuse™ SF-0402SxxxM Active 1 (Unlimited) ROHS3 Compliant PRE ARCING TIME: OPEN WITHIN 5 SEC AT 250% RATED CURRENT 0402 (1005 Metric) Surface Mount -55°C~125°C 0.039Lx0.020W x 0.020 H 1.00mmx0.51mmx0.51mm 24V 24V TR, PAPER, 7 INCH 1mm x 0.51mm x 0.51mm SF-0402 YES WRAPAROUND UL 1mm 0.51 mm 4A ELECTRIC FUSE 0.51mm 4A Slow Blow Board Mount (Cartridge Style Excluded) 35A 0.21 0.014Ohm
MF-RX020/72-AP-17 MF-RX020/72-AP-17 Bourns Inc. 0.0000
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0.00000000 Multifuse?, MF-RX/72 Radial, Disc cUL, cURus, TUV, UL Bourns Inc. Through Hole -40°C ~ 85°C 0.291" Dia x 0.122" T (7.40mm x 3.10mm) AEC-Q200 Polymeric 0.201" (5.10mm) 40 A 72V 2.2 s 200 mA - 1.5 Ohms 4.4 Ohms 400 mA
SMAJ54CA-Q SMAJ54CA-Q Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) Automotive, AEC-Q101, SMAJ Active 1 (Unlimited) 2 ROHS3 Compliant PRSM-MIN DO-214AC, SMA Surface Mount -55°C~150°C TJ AVALANCHE Zener e3 Matte Tin (Sn) DUAL C BEND SMAJ54 YES R-PDSO-C2 SILICON 1 SINGLE 54V BIDIRECTIONAL 400W Automotive No 60V 400W 4.6A 87.1V 54V 1
MF-R300-0-99 MF-R300-0-99 Bourns Inc. 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 2011 Multifuse®, MF-R yes Obsolete 1 (Unlimited) 2 Radial 30V ROHS3 Compliant UL94 V-0 40A No Radial, Disc No SVHC 5.1mm cURus, TUV 50mOhm Through Hole -40°C~85°C 0.472Lx0.118W 12.00mmx3.00mm 30V 0.720 18.30mm 30V 40A Polymeric 7.6mm e3 Tin (Sn) MF-R300 WIRE TEMPERATURE SENSING 810 μm 0.201 5.10mm 2W 3A 10.8s 6A 3A 20mOhm 80mOhm
1.5SMC440A 1.5SMC440A Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant DO-214AB, SMC Surface Mount -55°C~150°C TJ AVALANCHE Zener DUAL C BEND 1.5SMC R-PDSO-C2 SILICON 1 SINGLE UNIDIRECTIONAL General Purpose 376V 1.5kW 602V 2.5A No 418V 1500W 1.5kW 2.5A 1
2026-42-CLF 2026-42-CLF Bourns Inc. 0.0000
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0.00000000 download 5 Weeks Through Hole Bulk 2011 TRIGARD® 2026 Active 1 (Unlimited) 3 90°C -40°C 7.9mm 3 11.2mm ROHS3 Compliant Axial Cylinder, 3 Lead (T-Shape) UL Through Hole 1 e3 Tin (Sn) UNSPECIFIED PIN/PEG 2026 OTHER ±20% 1 mm SURGE PROTECTION CIRCUIT No 420V 20000A 20kA
CD214B-T13ALF CD214B-T13ALF Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2010 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 13V ROHS3 Compliant Tin 2 DO-214AA, SMB Surface Mount -55°C~150°C TJ AVALANCHE Zener e3 DUAL C BEND CD214B 2 Unidirectional SILICON 1 400W 5μA General Purpose 27.9A Single 14.4V 13V 5μA 600W 1mA 14.4V Yes 21.5V 27.9A 5W No 21.5V 1
CMF-RL25U-15-0 CMF-RL25U-15-0 Bourns Inc. 0.0000
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0.00000000 download 20 Weeks Bulk 2009 CMF-RL Active 1 (Unlimited) Radial 125°C -40°C ROHS3 Compliant Radial, Disc 5mm 25Ohm UR 25Ohm Through Hole -40°C~125°C 0.205Lx0.138W 5.20mmx3.50mm 0.205 5.20mm 900mA Ceramic CMF-RL 0.197 5.00mm 60mA 900mA 220V 600V Int 250ms 150mA 25Ohms 60mA 150mA
SMCJ15A-Q SMCJ15A-Q Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) Automotive, AEC-Q101, SMCJ Active 1 (Unlimited) ROHS3 Compliant DO-214AB, SMC Surface Mount -55°C~150°C TJ Zener e3 Matte Tin (Sn) 260 30 SMCJ15 Automotive No 16.7V 1500W 1.5kW 61.5A 24.4V 15V 1
MF-RHT050-0 MF-RHT050-0 Bourns Inc. 0.0000
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0.00000000 download 7 Weeks Bulk 2014 Multifuse®, MF-RHT Active 1 (Unlimited) ROHS3 Compliant Radial, Disc Through Hole -40°C~125°C 0.291Dia x 0.118 T 7.40mmx3.00mm 30V 0.500 12.70mm AEC-Q200 Polymeric MF-RHT 0.201 5.10mm 500mA 40A 30V 2.5s 920mA 500mA 480mOhms 1.1Ohms 920mA
CDSOD323-T03SC-M9 CDSOD323-T03SC-M9 Bourns Inc. 0.0000
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0.00000000 Last Time Buy 1 (Unlimited) ROHS3 Compliant SC-76, SOD-323 Surface Mount -55°C~150°C TA Zener 200pF @ 1MHz General Purpose No 4V 400W 43A 8/20μs 10.9V Typ 3.3V 1
MOV-07D751K MOV-07D751K Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Radial, Through Hole Bulk 2010 Active 1 (Unlimited) 2 EAR99 7mm ROHS3 Compliant No Disc 7mm 5mm 6.8mm Through Hole -40°C~85°C TA 825V METAL OXIDE FILM 70pF 8533.40.40.00 620V 70pF @ 1kHz e3 Tin (Sn) MOV-07 WIRE 10% 1 VARISTOR 0.25W 460V Radial 1.2kA 750V 10A 38J 1.24kV 825V 675V 460V
MOV-10D271KTR MOV-10D271KTR Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Radial, Through Hole Tape & Reel (TR) 2010 Active 1 (Unlimited) 2 EAR99 10mm ROHS3 Compliant No Disc 10mm 7.2mm Through Hole -40°C~105°C TA 297V 370pF 8533.40.40.00 225V 370pF @ 1kHz e3 Tin (Sn) MOV-10 WIRE 10% 1 VARISTOR 0.4W 175V 2.5kA 270V 25A 40J 455V 297V 243V 175V
MOV-14D182KTR MOV-14D182KTR Bourns Inc. 0.0000
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0.00000000 download Radial, Through Hole Tape & Reel (TR) 2011 Obsolete 1 (Unlimited) 85°C -40°C 14mm ROHS3 Compliant 50A Disc 14mm 7.5mm Through Hole 3.000003g -40°C~85°C TA 1.8kV 100pF 1.465kV 100pF @ 1kHz MOV-14 10% 1 1.1kV 4.5kA 1.8kV 337J 2.97kV 1.98kV 1.62kV 1.8kV 1.1kV 4.5kA 1.465kV
ST-1000-ALT-SG ST-1000-ALT-SG Bourns Inc. 0.0000
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0.00000000 download 20 Weeks Through Hole Tape & Reel (TR) Sparctube™ ST-1000 Obsolete 1 (Unlimited) Axial 2 8mm 60mm ROHS3 Compliant Axial Cylinder Through Hole ST-1000 ±15% 400A No 1000V
MF-SM013/250-2 MF-SM013/250-2 Bourns Inc. 0.0000
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0.00000000 download 10 Weeks Surface Mount Tape & Reel (TR) 2008 Multifuse®, MF-SM/250 yes Active 1 (Unlimited) 2 SMD/SMT 60V ROHS3 Compliant Lead Free Tin 60V 3A No 2-SMD No SVHC 3.7mm cURus, TUV 12Ohm Surface Mount -45°C~85°C 0.350Lx0.283W 8.90mmx7.20mm 60V TR, 14 INCH 3A Polymeric e3 MF-SM FLAT DUAL ENDED OVERLOAD PROTECTION 3W Brass 130mA 60V 250V Int 260mA 130mA 0.402 10.20mm 6.5Ohm 20Ohm
CDSOD323-T15C CDSOD323-T15C Bourns Inc. 0.0000
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0.00000000 download 7 Weeks Surface Mount Cut Tape (CT) 2008 yes Active 1 (Unlimited) 2 SMD/SMT EAR99 1.45mm 1.9mm ROHS3 Compliant Tin 2 LOW CAPACITANCE SC-76, SOD-323 No SVHC 1mm 1.45mm Surface Mount -55°C~150°C TJ AVALANCHE 1pF Zener 3pF @ 1MHz e3 DUAL GULL WING CDSOD323 2 Bidirectional Transient Suppressors 350W SILICON 1 1μA 15V General Purpose 10A Single 16.7V 15V 350W 1mA 16.7V 24V 10A No 10A 8/20μs 31.8V Typ
2026-23-AY 2026-23-AY Bourns Inc. 0.0000
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0.00000000 download Obsolete 1 (Unlimited)
2027-40-SMLF 2027-40-SMLF Bourns Inc. 0.0000
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0.00000000 download 6 Weeks Bulk 2011 2027 Active 1 (Unlimited) 2 2 ROHS3 Compliant 2-SMD Cylinder Square End Surface Mount 1 DUAL UNSPECIFIED 2 OTHER NO 85°C -55°C ±15% SURGE PROTECTION CIRCUIT No 400V 10000A 10kA
MF-R500-AP-14 MF-R500-AP-14 Bourns Inc. 0.0000
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Min: 1

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0.00000000 Multifuse?, MF-R Radial, Disc cUL, cURus, TUV, UL Bourns Inc. Through Hole -40°C ~ 85°C 0.685" L x 0.118" W (17.40mm x 3.00mm) AEC-Q200 Polymeric 0.402" (10.20mm) 40 A 30V 14.5 s 5 A - 10 mOhms 50 mOhms 10 A
SF-0603SP050-2 SF-0603SP050-2 Bourns Inc. 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) SinglFuse™ SF-0603SP yes Active 1 (Unlimited) ROHS3 Compliant 0603 (1608 Metric) UL Surface Mount -40°C~105°C 0.063Lx0.032W 1.60mmx0.80mm 50V e3 Tin (Sn) - with Nickel (Ni) barrier SF-0603 500mA Slow Blow Board Mount (Cartridge Style Excluded) 50A 0.009
SF-3812TL050T-2 SF-3812TL050T-2 Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) SinglFuse™ SF-3812TM-T Active 1 (Unlimited) ROHS3 Compliant PRE ARCING TIME: OPEN WITHIN 120 SEC AT 250% RATED CURRENT 2-SMD, Square End Block UL Surface Mount -55°C~125°C 0.398Lx0.122W x 0.122 H 10.10mmx3.10mmx3.10mm 250V TR, 13 INCH 10.1mm x 3.1mm x 3.1mm e4 Gold (Au) SF-3812 YES WRAPAROUND 10.1mm 3.1 mm 0.5A ELECTRIC FUSE TIME LAG 3.1mm 500mA Slow Blow 1 J Board Mount (Cartridge Style Excluded) 50A 1.963 0.5479Ohm
MOV-10D751K MOV-10D751K Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Radial, Through Hole Bulk 2010 Active 1 (Unlimited) 2 EAR99 10mm ROHS3 Compliant No Disc 10mm 7.5mm 7.2mm Through Hole -40°C~105°C TA 825V 130pF 8533.40.40.00 620V 130pF @ 1kHz e3 Tin (Sn) MOV-10 WIRE 10% 1 VARISTOR 0.4W 460V Radial 2.5kA 750V 25A 75J 1.24kV 825V 675V 460V
MF-R090-0-9 MF-R090-0-9 Bourns Inc. 0.0000
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0.00000000 download 7 Weeks PCB, Through Hole Bulk 2007 Multifuse®, MF-R yes Active 1 (Unlimited) 2 Radial ROHS3 Compliant Tin 30V 40A No Radial, Disc No SVHC 5.1mm 3mm cURus, TUV 120mOhm Through Hole -40°C~85°C 0.291Lx0.118W 7.40mmx3.00mm 30V 0.480 12.20mm 40A Polymeric 7.6mm e3 MF-R090 24mm Polymer WIRE 510 μm TEMPERATURE SENSING 510 μm 0.201 5.10mm 600mW 900mA 5.9s 1.8A 900mA 70mOhm 220mOhm
MF-R050-0-17 MF-R050-0-17 Bourns Inc. 0.0000
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0.00000000 Multifuse?, MF-R Radial, Disc cUL, cURus, TUV Bourns Inc. Through Hole -40°C ~ 85°C 0.311" Dia x 0.122" T (7.90mm x 3.10mm) AEC-Q200 Polymeric 0.201" (5.10mm) 40 A 60V 4 s 500 mA - 410 mOhms 1.17 Ohms 1 A
2035-47-SM-RPLF 2035-47-SM-RPLF Bourns Inc. 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2011 2035-SM yes Active 1 (Unlimited) 2 SMD/SMT EAR99 85°C -55°C 5mm 2 5mm ROHS3 Compliant Lead Free Tin 2-SMD Cylinder Square End No SVHC 3.9mm UL Surface Mount AVALANCHE 1pF 8541.10.00.50 e3 END WRAP AROUND 2035 2 SILICON 1 SINGLE TRANS VOLTAGE SUPPRESSOR DIODE UNIDIRECTIONAL ±15% ISOLATED No 470V 5000A 5kA
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