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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 RoHS Status Flammability Rating Lead Free Contact Plating Voltage - Rated Current Rating Radiation Hardening Number of Pins Additional Feature Package / Case REACH SVHC Reach Compliance Code Lead Pitch Height Approval Agency Thickness Resistance Mfr Mounting Type Operating Temperature Size / Dimension Voltage - Rated DC Technology Height Seated (Max) Ratings Voltage - Rated AC Capacitance Current HTS Code Packing Method Physical Dimension Max Current Rating Max Voltage Rating (DC) Type 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 Direction Surface Mount Terminal Pitch JESD-30 Code Qualification Status Max Power Dissipation Body Material Terminal Shape Reference Standard Body Length or Diameter Body Breadth Rated Current Circuit Protection Type Body Height Diode Element Material Number of Elements Configuration Polarity Case Code (Metric) Case Code (Imperial) Tolerance Current Rating (Amps) Wire/Cable Diameter Response Time Leakage Current Working Voltage Joule Integral-Nom Thermistor Application Lead Diameter Applications Lead Spacing Max Surge Current Element Configuration Power Dissipation Breakdown Voltage Reverse Standoff Voltage Max Reverse Leakage Current Peak Pulse Power Test Current Reverse Breakdown Voltage ESD Protection Clamping Voltage Peak Pulse Current Terminal Material Max Repetitive Reverse Voltage (Vrrm) Power Dissipation-Max Hold Current Trigger Device Type Fuse Type Current - Max Voltage - Max Telecom IC Type Time to Trip Current - Hold (Ih) Trip Current Fuse Current Power Line Protection Voltage - Breakdown (Min) Voltage - Breakover 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 Voltage - On State
MF-R025-AP-17 MF-R025-AP-17 Bourns Inc. 0.0000
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0.00000000 Multifuse?, MF-R 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 60V 2.5 s 250 mA - 1 Ohms 3 Ohms 500 mA
MF-RX065/72-AP-17 MF-RX065/72-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 0.382" Dia x 0.122" T (9.70mm x 3.10mm) AEC-Q200 Polymeric 0.201" (5.10mm) 40 A 72V 5.3 s 650 mA - 270 mOhms 720 mOhms 1.3 A
SF-0402F400-2 SF-0402F400-2 Bourns Inc. 0.0000
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0.00000000 download 9 Weeks Surface Mount Tape & Reel (TR) 2009 SinglFuse™ SF-0402F yes Active 1 (Unlimited) EAR99 520μm ROHS3 Compliant 4A 2 0402 (1005 Metric) 406.4μm UL 16mOhm Surface Mount -20°C~105°C 0.039Lx0.020W x 0.014 H 1.00mmx0.52mmx0.35mm 24V 4A 8536.10.00.40 TAPE AND REEL 24V e3 Tin (Sn) SF-0402 WRAPAROUND UL 1mm ELECTRIC FUSE 1005 0402 Fast Blow Board Mount (Cartridge Style Excluded) 35A 0.0896 0.016Ohm
SF-0603HI700M-2 SF-0603HI700M-2 Bourns Inc. 0.0000
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0.00000000 download 10 Weeks Tape & Reel (TR) SinglFuse™ SF-0603HIxxxM Active 1 (Unlimited) ROHS3 Compliant PRE ARCING TIME: OPEN WITHIN 60 SEC AT 200% RATED CURRENT 0603 (1608 Metric) UL Surface Mount -55°C~150°C 0.063Lx0.031W x 0.031 H 1.60mmx0.80mmx0.80mm 32V TR, 7 INCH 1.6mm x 0.8mm x 0.8mm SF-0603 YES WRAPAROUND UL 1.6mm 0.8 mm 7A ELECTRIC FUSE 0.8mm 7A 5 J Board Mount (Cartridge Style Excluded) 80A 5 0.008Ohm
MF-R075-0-99 MF-R075-0-99 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 60V ROHS3 Compliant UL94 V-0 Tin 40A No Radial, Disc 5.1mm cURus, TUV 400mOhm Through Hole -40°C~85°C 0.409Dia x 0.122 T 10.40mmx3.10mm 60V 0.630 16.00mm 60V 40A Polymeric 7.6mm e3 MF-R075 5.1mm WIRE TEMPERATURE SENSING 510 μm 0.201 5.10mm 900mW 750mA 6.3s 1.5A 750mA 180mOhm 600mOhm
2026-09-C4FLF 2026-09-C4FLF Bourns Inc. 0.0000
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0.00000000 download 5 Weeks Through Hole Bulk 2011 TRIGARD® 2026 Active 1 (Unlimited) 3 ROHS3 Compliant Radial Cylinder, 3 Lead Through Hole NOT SPECIFIED NOT SPECIFIED 2026 ±20% SURGE PROTECTION CIRCUIT Yes 90V 20000A 20kA
SMLJ14CA-Q SMLJ14CA-Q Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) Automotive, AEC-Q101, SMLJ Active 1 (Unlimited) ROHS3 Compliant DO-214AB, SMC Surface Mount -55°C~150°C TJ Zener e3 Matte Tin (Sn) SMLJ14 Automotive No 15.6V 3000W 3kW 129.4A 23.2V 14V 1
SF-0402FP160-2 SF-0402FP160-2 Bourns Inc. 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) SinglFuse™ SF-0402FP Active 1 (Unlimited) ROHS3 Compliant 0402 (1005 Metric) UL Surface Mount -20°C~150°C 0.039Lx0.020W x 0.014 H 1.00mmx0.52mmx0.35mm 32V 32V SF-0402 1.6A Fast Blow Board Mount (Cartridge Style Excluded) 35A 0.01672
SF-0603F300-2 SF-0603F300-2 Bourns Inc. 0.0000
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0.00000000 download 9 Weeks Surface Mount Tape & Reel (TR) 2009 SinglFuse™ SF-0603F yes Active 1 (Unlimited) SMD/SMT EAR99 800μm ROHS3 Compliant 24V 3A 2 0603 (1608 Metric) No SVHC 450μm UL 21mOhm Surface Mount -20°C~105°C 0.063Lx0.032W x 0.018 H 1.60mmx0.80mmx0.45mm 24V 8536.10.00.40 TAPE AND REEL 1.6mm x 0.8mm x 0.45mm 24V e3 Tin (Sn) - with Nickel (Ni) barrier SF-0603 Ceramic WRAPAROUND UL 1.6mm 0.8 mm ELECTRIC FUSE 1608 0603 Fast Blow Copper Board Mount (Cartridge Style Excluded) 3A 50A 0.082 0.021Ohm
MF-RX090/72-0-17 MF-RX090/72-0-17 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 0.461" Dia x 0.122" T (11.70mm x 3.10mm) AEC-Q200 Polymeric 0.201" (5.10mm) 40 A 72V 7.2 s 900 mA - 140 mOhms 470 mOhms 1.8 A
CD214A-T28ALF CD214A-T28ALF Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2010 Active 1 (Unlimited) 2 SMD/SMT EAR99 28V ROHS3 Compliant Tin 2 DO-214AC, SMA Surface Mount -55°C~150°C TJ AVALANCHE Zener e3 DUAL C BEND CD214A 2 Unidirectional SILICON 1 5μA General Purpose 8.8A Single 31.1V 28V 5μA 400W 1mA 31.1V Yes 45.4V 8.8A 5W No 45.4V 1
MF-RX110/72-0 MF-RX110/72-0 Bourns Inc. 0.0000
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0.00000000 download 7 Weeks PCB, Through Hole Bulk 2008 Multifuse®, MF-RX/72 yes Active 1 (Unlimited) 2 Radial EAR99 72V ROHS3 Compliant UL94 V-0 Lead Free Tin 40A No Radial, Disc No SVHC 5.1mm 3.1mm cURus, TUV 3.1mm 250mOhm Through Hole -40°C~85°C 0.427Lx0.122W 10.84mmx3.10mm 72V 0.662 16.84mm 60V 8533.40.80.70 40A Polymeric 7.6mm e3 MF-RX 5.1mm 1.5W Polymer WIRE 810 μm OVERLOAD PROTECTION 810 μm 0.201 5.10mm 1.5W 1.1A 8.2s 2.2A 1.1A 150mOhm 380mOhm
5.0SMDJ22A-Q 5.0SMDJ22A-Q Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) Automotive, AEC-Q101, 5.0SMDJ Active 1 (Unlimited) ROHS3 Compliant DO-214AB, SMC Surface Mount -55°C~150°C TJ Zener e3 Tin (Sn) 5.0SMDJ Automotive No 24.4V 5000W 5kW 141A 35.5V 22V 1
SF-2923UC60C-2 SF-2923UC60C-2 Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) SinglFuse™ SF-2923UC-C Active 1 (Unlimited) ROHS3 Compliant PRE ARCING TIME: OPEN WITHIN 60 SEC AT 250% RATED CURRENT 2-SMD, J-Lead UL Surface Mount -55°C~125°C 0.287Lx0.228W x 0.157 H 7.30mmx5.80mmx4.00mm 80V TR, 13 INCH 7.3mm x 5.8mm x 4mm SF-2923 YES J BEND UL 7.3mm 5.8 mm 60A ELECTRIC FUSE 4mm 60A Fast Blow 1260 J Board Mount (Cartridge Style Excluded) 450A 1260 0.00065Ohm
MF-R500-2 MF-R500-2 Bourns Inc. 0.0000
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0.00000000 download 7 Weeks Through Hole Tape & Reel (TR) 2011 Multifuse®, MF-R yes Active 1 (Unlimited) 2 Radial 30V ROHS3 Compliant 30V 40A No Radial, Disc No SVHC 10.2mm cURus, TUV 30mOhm Through Hole -40°C~85°C 0.685Lx0.118W 17.40mmx3.00mm 30V 0.980 24.90mm TR 40A Polymeric e3 Tin (Sn) MF-R500 WIRE TEMPERATURE SENSING 810 μm 0.402 10.20mm 3W 5A 14.5s 10A 5A 10mOhm 50mOhm
SF-1206S125-2 SF-1206S125-2 Bourns Inc. 0.0000
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0.00000000 download 9 Weeks Surface Mount Tape & Reel (TR) 2010 SinglFuse™ SF-1206S yes Active 1 (Unlimited) EAR99 1.55mm ROHS3 Compliant 1.25A SINGLFUSE, PRE-ARCING TIME: OPEN WITHIN 5 SEC. AT 250% RATED CURRENT 1206 (3216 Metric) 609.6μm UL 76mOhm Surface Mount -20°C~105°C 0.122Lx0.061W x 0.024 H 3.10mmx1.55mmx0.60mm 63V 8536.10.00.40 TAPE AND REEL 3.1mm x 1.55mm x 0.6mm e3 Tin (Sn) - with Nickel (Ni) barrier SF-1206 WRAPAROUND UL 3.1mm ELECTRIC FUSE 3216 1206 Slow Blow Board Mount (Cartridge Style Excluded) 50A 0.155 0.076Ohm
MF-USML500-2 MF-USML500-2 Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) Multifuse®, MF-USML Active 2A (4 Weeks) ROHS3 Compliant 1210 (3225 Metric), Concave cURus, TUV Surface Mount -40°C~85°C 0.127Lx0.102W 3.22mmx2.58mm 6V Polymeric MF-USML 5A 50A 6V 2s 10A 5A 0.047 1.20mm 1mOhms 14.5mOhms 10A
SF-0603SP600-2 SF-0603SP600-2 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) Surface Mount -40°C~105°C 0.063Lx0.032W 1.60mmx0.80mm 32V 32V e3 Tin (Sn) - with Nickel (Ni) barrier SF-0603 6A Slow Blow Board Mount (Cartridge Style Excluded)
MF-RX375-2-99 MF-RX375-2-99 Bourns Inc. 0.0000
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0.00000000 download Tape & Reel (TR) 2003 Multifuse®, MF-RX yes Obsolete 1 (Unlimited) 2 Radial EAR99 ROHS3 Compliant 40A 0.03-0.05 OHMS AT 23 DEG CEL Radial, Disc 10.2mm cURus, TUV 50mOhm Through Hole -40°C~85°C 1.118Lx0.122W 28.40mmx3.10mm 1.319 33.50mm 8533.40.80.70 TR, 15 INCH 40A Polymeric e3 Tin (Sn) MF-RX NO WIRE 60V OVERLOAD PROTECTION 0.402 10.20mm 3.2W 3.75A 60V 24s 7.5A 3.75A 30mOhm 80mOhm
MF-NSHT010KX-2 MF-NSHT010KX-2 Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) Multifuse®, MF-NSHT Active 1 (Unlimited) ROHS3 Compliant 1206 (3216 Metric), Concave Surface Mount -40°C~125°C 0.126Lx0.063W 3.20mmx1.60mm AEC-Q200 Polymeric 20A 30V 1.5s 100mA 0.033 0.85mm 1Ohm 7.5Ohm 500mA
5.0SMDJ54A-Q 5.0SMDJ54A-Q Bourns Inc. 1.4841
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0.00000000 download 14 Weeks Tape & Reel (TR) Automotive, AEC-Q101, 5.0SMDJ Active 1 (Unlimited) ROHS3 Compliant DO-214AB, SMC Surface Mount -55°C~150°C TJ Zener e3 Tin (Sn) Automotive, Telecom No 60V 5000W 5kW 57.5A 87.1V 54V 1
TISP4350M3BJR-S TISP4350M3BJR-S Bourns Inc. 0.0000
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0.00000000 download 7 Weeks Surface Mount Cut Tape (CT) 2007 yes Active 1 (Unlimited) 2 150°C -40°C ROHS3 Compliant 5A 2 UL RECOGNIZED DO-214AA, SMB No SVHC not_compliant Surface Mount 83pF e3 Matte Tin (Sn) DUAL C BEND 260 40 TISP4350 2 Not Qualified 1 SINGLE 220A 275V 350mA SILICON SURGE PROTECTOR 150mA 350V 50A 3V
MF-RG500-0 MF-RG500-0 Bourns Inc. 0.0000
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0.00000000 download 7 Weeks Through Hole Bulk 2013 Multifuse®, MF-RG Active 1 (Unlimited) 2 Radial 16V ROHS3 Compliant 16V Radial, Disc No SVHC 5.1mm 14.3mm 23mOhm Through Hole -40°C~85°C 0.409Lx0.118W 10.40mmx3.00mm 16V 0.563 14.30mm 100A Polymeric e3 Tin (Sn) MF-RG 810 μm 0.114 2.90mm 2.6W Copper 5A 100A 2s 8.5A 15mOhm 34mOhm
SMA6J26CA SMA6J26CA Bourns Inc. 0.3441
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0.00000000 download 14 Weeks Tape & Reel (TR) SMA6J Active 1 (Unlimited) ROHS3 Compliant DO-214AC, SMA Surface Mount -55°C~150°C TJ Zener Automotive, Telecom No 28.9V 600W 14.3A 42.1V 26V 1
SF-1206S500W-2 SF-1206S500W-2 Bourns Inc. 0.0000
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0.00000000 download 10 Weeks Tape & Reel (TR) SinglFuse™ SF-1206SxxxW Active 1 (Unlimited) ROHS3 Compliant PRE ARCING TIME: OPEN WITHIN 5 SEC AT 250% RATED CURRENT 1206 (3216 Metric), Concave UL Surface Mount -55°C~125°C 0.126Lx0.063W x 0.043 H 3.20mmx1.60mmx1.10mm 32V TR, 7 INCH 3.2mm x 1.6mm x 1.08mm e3 Tin (Sn) - with Nickel (Ni) barrier SF-1206 YES WRAPAROUND UL 3.2mm 1.6 mm 5A ELECTRIC FUSE 1.08mm 5A Slow Blow 5 J Board Mount (Cartridge Style Excluded) 50A 5.4 0.013Ohm
SF-0603S400-2 SF-0603S400-2 Bourns Inc. 0.0000
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0.00000000 download 9 Weeks Surface Mount Tape & Reel (TR) 2009 SinglFuse™ SF-0603S yes Active 1 (Unlimited) EAR99 800μm ROHS3 Compliant 4A SINGLFUSE, PRE-ARCING TIME: OPEN WITHIN 5 SEC. AT 250% RATED CURRENT 0603 (1608 Metric) No SVHC 457.2μm UL 12mOhm Surface Mount -20°C~105°C 0.063Lx0.032W x 0.018 H 1.60mmx0.80mmx0.45mm 32V 8536.10.00.40 TAPE AND REEL 1.6mm x 0.8mm x 0.45mm e3 Tin (Sn) - with Nickel (Ni) barrier SF-0603 WRAPAROUND UL 1.6mm 0.8 mm ELECTRIC FUSE 1608 0603 Slow Blow Board Mount (Cartridge Style Excluded) 4A 50A 0.326 0.012Ohm
1.5SMC30CA 1.5SMC30CA Bourns Inc. 0.6328
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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 BIDIRECTIONAL General Purpose 25.6V 1.5kW 41.4V 36.7A No 28.5V 1500W 1.5kW 36.7A 1
MF-VS175N-0 MF-VS175N-0 Bourns Inc. 0.0000
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0.00000000 download 12 Weeks Bulk 2005 Multifuse®, MF-VS Active 1 (Unlimited) Axial 85°C -40°C 16V ROHS3 Compliant 1.75A Strap cURus, TUV User Defined -40°C~85°C 16V 100A Polymeric MF-VS 1.75A 100A 12V 3s 3.5A 1.75A 29mOhms 102mOhms 3.5A
MF-R010-0-A0-99 MF-R010-0-A0-99 Bourns Inc. 0.0000
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0.00000000 Multifuse®, MF-R Obsolete 1 (Unlimited) ROHS3 Compliant Radial, Disc cURus, TUV Through Hole -40°C~85°C 0.291Dia x 0.122 T 7.40mmx3.10mm 0.500 12.70mm Polymeric 0.201 5.10mm 40A 60V 4s 100mA 2.5Ohm 7.5Ohm 200mA
P6SMB200A P6SMB200A Bourns Inc. 0.0000
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0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2007 Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant DO-214AA, SMB Surface Mount -55°C~150°C TJ AVALANCHE Zener DUAL C BEND 260 30 P6SMB R-PDSO-C2 SILICON 1 SINGLE UNIDIRECTIONAL General Purpose 171V 600W 274V 2.2A No 190V 2.2A 171V 1
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