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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 Operating Supply Voltage Number of Poles 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 Approval Agency Thickness Resistance Mfr Mounting Type Operating Temperature Size / Dimension Voltage - Rated DC Height Seated (Max) Ratings Voltage - Rated AC HTS Code Packing Method Number of Functions Max Current Rating Max Voltage Rating (DC) Type Lead Length JESD-609 Code Terminal Finish Terminal Position Terminal Form Base Part Number Temperature Grade Surface Mount JESD-30 Code Operating Temperature (Max) Operating Temperature (Min) Subcategory Max Power Dissipation Body Material Terminal Shape Case Code (Metric) Case Code (Imperial) Wire/Cable Diameter Rated Power Dissipation (P) Terminal Placement Thermistor Application Lead Diameter Lead Spacing Rated (AC) Voltage (URac) Power Dissipation Terminal Material Hold Current Current - Max Voltage - Max Telecom IC Type Time to Trip Trip Current Current - Hold (Ih) (Max) Thickness (Max) Fail Short Voltage - DC Spark Over (Nom) Impulse Discharge Current (8/20μs) Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Current - Trip (It)
MF-RX110/72-2-14 MF-RX110/72-2-14 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Tape & Box (TB) Multifuse®, MF-RX/72 Active 1 (Unlimited) RoHS Compliant Radial, Disc cUL, cURus, TUV Through Hole -40°C~85°C 0.427Lx0.122W 10.84mmx3.10mm 0.663 16.84mm Polymeric 0.201 5.10mm 40A 72V 8.2s 1.1A 150mOhm 380mOhm 2.2A
MF-RHT1300-0-14 MF-RHT1300-0-14 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-R Radial, Disc cUL, cURus, TUV Bourns Inc. Through Hole -40°C ~ 125°C 0.925" L x 0.142" W (23.50mm x 3.60mm) AEC-Q200 Polymeric 0.402" (10.20mm) 100 A 16V 13 s 13 A - 4.1 mOhms 10 mOhms 24 A
MF-RHT650-0-14 MF-RHT650-0-14 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-RHT Radial, Disc cUL, cURus, TUV Bourns Inc. Through Hole -40°C ~ 125°C 0.500" L x 0.118" W (12.70mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 100 A 16V 5.5 s 6.5 A - 11 mOhms 26 mOhms 12 A
MF-RG800-2-14 MF-RG800-2-14 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-RG Radial, Disc cUL, cURus Bourns Inc. Through Hole -40°C ~ 85°C 0.500" L x 0.118" W (12.70mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 100 A 16V 5 s 8 A - 5.6 mOhms 17.5 mOhms 13.6 A
MF-RHT200-2-17 MF-RHT200-2-17 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-RHT Radial, Disc cUL, cURus, TUV Bourns Inc. Through Hole -40°C ~ 125°C 0.370" Dia x 0.118" T (9.40mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 100 A 16V 3 s 2 A - 45 mOhms 110 mOhms 3.8 A
MF-R400 MF-R400 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks PCB, Through Hole Bulk 2005 Multifuse®, MF-R yes Active 1 (Unlimited) 2 Radial 30V ROHS3 Compliant UL94 V-0 Lead Free 4A No Radial, Disc No SVHC 5.1mm 24.8mm cURus, TUV 3mm 30mOhm Through Hole -40°C~85°C 0.567Lx0.118W 14.40mmx3.00mm 30V 0.976 24.80mm 30V 40A Polymeric 7.6mm e3 Tin (Sn) 2.5W Polymer WIRE 810 μm TEMPERATURE SENSING 810 μm 0.201 5.10mm 2.5W 4A 12.7s 8A 10mOhm 50mOhm
MF-RHT1100-AP-14 MF-RHT1100-AP-14 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-R Radial, Disc cUL, cURus, TUV Bourns Inc. Through Hole -40°C ~ 125°C 0.827" L x 0.118" W (21.00mm x 3.00mm) AEC-Q200 Polymeric 0.402" (10.20mm) 100 A 16V 11 s 11 A - 5.5 mOhms 13 mOhms 20 A
MF-PSHT016KX-2 MF-PSHT016KX-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Tape & Reel (TR) Multifuse®, MF-PSHT Active 1 (Unlimited) ROHS3 Compliant 0805 (2012 Metric), Concave Surface Mount -40°C~125°C 0.085Lx0.053W 2.15mmx1.35mm AEC-Q200 Polymeric 40A 16V 100ms 160mA 0.031 0.80mm 700mOhm 6Ohm 800mA
MF-R700-2-99 MF-R700-2-99 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Tape & Reel (TR) 2013 Multifuse®, MF-R yes Obsolete 1 (Unlimited) 2 ROHS3 Compliant 0.005 OHM MEASURED AT 23 DEG CEL Radial, Disc cURus, TUV Through Hole -40°C~85°C 0.870Lx0.118W 22.10mmx3.00mm 1.173 29.80mm TR 40A Polymeric e3 Tin (Sn) MF-R700 NO WIRE TEMPERATURE SENSING 0.402 10.20mm 30V 3.8W 7A 40A 30V 17.5s 14A 5mOhm 30mOhm
MF-USML380/6-2 MF-USML380/6-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Tape & Reel (TR) Multifuse®, MF-USML/X Active 2A (4 Weeks) ROHS3 Compliant 1210 (3225 Metric), Concave cURus, TUV Surface Mount -40°C~85°C 0.127Lx0.101W 3.22mmx2.58mm Polymeric 50A 6V 5s 3.8A 0.047 1.20mm 2mOhm 20mOhm 7.6A
MF-RHT300-0-14 MF-RHT300-0-14 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-RHT Radial, Disc cUL, cURus, TUV Bourns Inc. Through Hole -40°C ~ 125°C 0.346" L x 0.118" W (8.80mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 100 A 16V 5 s 3 A - 33 mOhms 79 mOhms 6 A
MF-RHT1100-2-14 MF-RHT1100-2-14 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-R Radial, Disc cUL, cURus, TUV Bourns Inc. Through Hole -40°C ~ 125°C 0.827" L x 0.118" W (21.00mm x 3.00mm) AEC-Q200 Polymeric 0.402" (10.20mm) 100 A 16V 11 s 11 A - 5.5 mOhms 13 mOhms 20 A
MF-FSMF010X-2 MF-FSMF010X-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Surface Mount Cut Tape (CT) 2010 Multifuse®, MF-FSMF Active 1 (Unlimited) 2 SMD/SMT 15V ROHS3 Compliant Lead Free 15V No 0603 (1608 Metric), Concave No SVHC 650μm cURus, TUV 6Ohm Surface Mount -40°C~85°C 0.065Lx0.033W 1.65mmx0.85mm 15V TR, 7 INCH 40A Polymeric e4 MF-FSMF WRAPAROUND 1608 0603 DUAL ENDED OVERLOAD PROTECTION 500mW Gold 100mA 40A 1s 300mA 0.026 0.65mm 900mOhm 6Ohm
MF-R005-AP-99 MF-R005-AP-99 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Through Hole Tape & Box (TB) 2011 Multifuse®, MF-R yes Obsolete 1 (Unlimited) 2 Radial ROHS3 Compliant 40A Radial, Disc 5.1mm cURus, TUV 11.1Ohm Through Hole -40°C~85°C 0.315Dia x 0.122 T 8.00mmx3.10mm 0.327 8.30mm AMMO PACK 40A Polymeric e3 Tin (Sn) MF-R005 WIRE TEMPERATURE SENSING 400 μm 0.201 5.10mm 60V 220mW 50mA 60V 5s 100mA 50mA 7.3Ohm 22Ohm
MF-R135-AP-99 MF-R135-AP-99 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Through Hole Tape & Box (TB) 2011 Multifuse®, MF-R yes Obsolete 1 (Unlimited) 2 Radial ROHS3 Compliant 40A Radial, Disc 5.1mm cURus, TUV 115mOhm Through Hole -40°C~85°C 0.350Dia x 0.118 T 8.90mmx3.00mm 0.744 18.90mm AMMO PACK 40A Polymeric e3 Tin (Sn) MF-R135 WIRE TEMPERATURE SENSING 510 μm 0.201 5.10mm 60V 800mW 1.35A 30V 7.3s 2.7A 1.35A 65mOhm 170mOhm
MF-MSMD125-2 MF-MSMD125-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2004 Multifuse®, MF-MSMD Obsolete 1 (Unlimited) 2 SMD/SMT EAR99 6V Non-RoHS Compliant Contains Lead 1.25A 0.035 OHMS MINIMUM AT 23 DEG CEL 1812 (4532 Metric) 480μm CSA, TUV, UR 140mOhm Surface Mount -40°C~85°C 0.179Lx0.015W 4.55mmx0.39mm 6V 8533.40.80.70 TR 100A Polymeric NOT SPECIFIED MF-MSMD YES Non-linear Resistors WRAPAROUND 4532 1812 1.5W DUAL TEMPERATURE SENSING 6V 1.25A 6V 400ms 2.5A 0.134 3.41mm 35mOhm 140mOhm
MF-RX135-005 MF-RX135-005 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Bulk 2011 Multifuse®, MF-RX Active 1 (Unlimited) Radial 85°C -40°C 60V ROHS3 Compliant 40A No Radial, Disc 5.1mm cURus, TUV 190mOhm Through Hole -40°C~85°C 0.483Lx0.122W 12.26mmx3.10mm 60V 0.718 18.26mm 40A Polymeric MF-RX 0.201 5.10mm 1.7W 1.35A 40A 60V 9.6s 2.7A 1.35A 120mOhms 300mOhms 2.7A
MF-R700-AP-99 MF-R700-AP-99 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Tape & Box (TB) 2011 Multifuse®, MF-R yes Obsolete 1 (Unlimited) 2 Radial EAR99 ROHS3 Compliant 40A 0.005 TO 0.02 OHMS AT 23 DEG CEL Radial, Disc 10.2mm cURus, TUV 20mOhm Through Hole -40°C~85°C 0.870Lx0.118W 22.10mmx3.00mm 1.173 29.80mm 8533.40.80.70 AMMO PACK 40A Polymeric e3 Tin (Sn) MF-R700 NO WIRE TEMPERATURE SENSING 0.402 10.20mm 60V 3.8W 7A 30V 17.5s 14A 7A 5mOhm 30mOhm
MF-PSHT050KX-2 MF-PSHT050KX-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Tape & Reel (TR) Multifuse®, MF-PSHT Active 1 (Unlimited) ROHS3 Compliant 0805 (2012 Metric), Concave Surface Mount -40°C~125°C 0.085Lx0.053W 2.15mmx1.35mm AEC-Q200 Polymeric 40A 12V 100ms 500mA 0.047 1.20mm 120mOhm 1.6Ohm 2A
MF-PSML250/12-2 MF-PSML250/12-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Tape & Reel (TR) Multifuse®, MF-PSML/X Active 2A (4 Weeks) ROHS3 Compliant 0805 (2012 Metric), Concave cUL, cURus, TUV Surface Mount -40°C~85°C 0.085Lx0.053W 2.15mmx1.35mm Polymeric 50A 12V 2s 2.5A 0.055 1.40mm 3mOhm 40mOhm 5A
MF-RX018/250-2 MF-RX018/250-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks PCB, Through Hole Tape & Reel (TR) 2007 Multifuse®, MF-RX/250 Active 1 (Unlimited) 2 Radial 85°C -40°C 60V 13.6mm ROHS3 Compliant 10A No Radial, Disc Unknown 5.1mm cURus, TUV 2Ohm Through Hole -40°C~85°C 0.433Lx0.181W 11.00mmx4.60mm 60V 0.535 13.60mm 10A 60V Polymeric MF-RX 650 μm 0.201 5.10mm 180mA 10A 60V 250V Int 360mA 180mA 800mOhms 4Ohms
MF-R185-0-17 MF-R185-0-17 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-R Radial, Disc cUL, cURus, TUV 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-RX075/72-0 MF-RX075/72-0 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Bulk 2012 Multifuse®, MF-RX/72 yes Active 1 (Unlimited) 2 Radial EAR99 72V ROHS3 Compliant UL94 V-0 72V 0.18 TO 0.4 OHMS AT 23 DEG CEL Radial, Disc No SVHC 5.1mm 16mm cURus, TUV 400mOhm Through Hole -40°C~85°C 0.409Dia x 0.122 T 10.40mmx3.10mm 72V 0.630 16.00mm 8533.40.80.70 40A Polymeric 7.6mm e3 Tin (Sn) MF-RX NO WIRE 510 μm OVERLOAD PROTECTION 0.201 5.10mm 900mW 750mA 40A 6.3s 1.5A 180mOhm 600mOhm
2031-23T-SM-RP3LF 2031-23T-SM-RP3LF Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2011 2031-xxT-SM yes Active 2 (1 Year) 2 ROHS3 Compliant 2-SMD Cylinder Square End Surface Mount 1 e3 Matte Tin (Sn) UNSPECIFIED UNSPECIFIED 2031 INDUSTRIAL X-XXSS-X 90°C -40°C SURGE PROTECTION CIRCUIT No 185V 1000A 1kA
MF-R400-2-99 MF-R400-2-99 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Through Hole Tape & Reel (TR) 2012 Multifuse®, MF-R yes Obsolete 1 (Unlimited) 2 Radial ROHS3 Compliant 40A Radial, Disc 5.1mm cURus, TUV 30mOhm Through Hole -40°C~85°C 0.567Lx0.118W 14.40mmx3.00mm 0.976 24.80mm TR 40A Polymeric e3 Tin (Sn) MF-R400 WIRE TEMPERATURE SENSING 810 μm 0.201 5.10mm 30V 2.5W 4A 30V 12.7s 8A 4A 10mOhm 50mOhm
MF-RG1000-AP MF-RG1000-AP Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Tape & Box (TB) 2013 Multifuse®, MF-RG yes Active 1 (Unlimited) ROHS3 Compliant Radial, Disc cURus Through Hole -40°C~85°C 0.650Lx0.118W 16.50mmx3.00mm 0.854 21.70mm AEC-Q200 Polymeric e3 Tin (Sn) MF-RG 0.201 5.10mm 100A 16V 6s 10A 4mOhm 10.2mOhm 17A
MF-RHT500-AP-14 MF-RHT500-AP-14 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Multifuse?, MF-RHT Radial, Disc cUL, cURus, TUV Bourns Inc. Through Hole -40°C ~ 125°C 0.441" L x 0.118" W (11.20mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 100 A 16V 9 s 5 A - 17.5 mOhms 45 mOhms 9 A
MF-R090-1-009 MF-R090-1-009 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Bulk 2006 Multifuse®, MF-R Active 1 (Unlimited) Radial 85°C -40°C 30V ROHS3 Compliant 40A Radial, Disc 5.1mm cURus, TUV 120mOhm Through Hole -40°C~85°C 0.461Lx0.122W 11.70mmx3.10mm 30V 0.657 16.70mm 40A Polymeric MF-R090 0.201 5.10mm 900mA 40A 60V 7.2s 1.8A 900mA 140mOhms 470mOhms 1.8A
MF-SM050-2-99 MF-SM050-2-99 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2010 Multifuse®, MF-SM yes Obsolete 1 (Unlimited) 2 SMD/SMT EAR99 60V ROHS3 Compliant Tin 40A No 2 2-SMD No SVHC 3.18mm cURus, TUV 1.4Ohm Surface Mount -40°C~85°C 0.287Lx0.214W 7.31mmx5.44mm 60V AEC-Q200 30V 8533.40.80.50 TR 40A Polymeric 430μm e3 MF-SM FLAT 7351 2920 DUAL ENDED OVERLOAD PROTECTION 1.7W 500mA 4s 1A 500mA 0.125 3.18mm 350mOhm 1.4Ohm
MF-R075-2-14 MF-R075-2-14 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Multifuse®, MF-R Active 1 (Unlimited) ROHS3 Compliant Radial, Disc cURus, TUV Through Hole -40°C~85°C 0.409Dia x 0.122 T 10.40mmx3.10mm 0.630 16.00mm Polymeric MF-R075 0.201 5.10mm 40A 60V 6.3s 750mA 180mOhm 600mOhm 1.5A
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