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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 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 Height Seated (Max) Ratings Voltage - Rated AC Capacitance HTS Code Packing Method Number of Functions Physical Dimension Max Current Rating Type Lead Length JESD-609 Code Terminal Finish Terminal Position Terminal Form Base Part Number Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Max Power Dissipation Body Material Terminal Shape Body Length or Diameter Body Breadth Rated Current Circuit Protection Type Body Height Case Code (Metric) Case Code (Imperial) Tolerance Current Rating (Amps) Wire/Cable Diameter Resistor Type Rated Power Dissipation (P) Terminal Placement Joule Integral-Nom Max Voltage Rating (AC) Thermistor Application Lead Diameter Lead Spacing Rated (AC) Voltage (URac) Power Dissipation Peak Pulse Current Terminal Material Hold Current Fuse Type Current - Max Voltage - Max Telecom IC Type Time to Trip Trip Current Resistance @ 25°C 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)
MF-LR730/20-0 MF-LR730/20-0 Bourns Inc. 0.0000
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0.00000000 download 12 Weeks Surface Mount Bulk 2005 Multifuse®, MF-LR Active 1 (Unlimited) 2 Axial EAR99 20V ROHS3 Compliant 20V 100A No 0.006 TO 0.012 OHMS AT 23 DEG CEL Strap No SVHC 1mm cURus, TUV 12mOhm User Defined -40°C~85°C 1.106Lx0.559W 28.10mmx14.20mm 20V 8533.40.80.70 100A Polymeric e2 Tin/Silver (Sn/Ag) MF-LR FLAT OVERLOAD PROTECTION 3W Nickel 7.3A 5s 14.1A 7.3A 0.039 1.00mm 6mOhm 15mOhm
MF-RG650-2-14 MF-RG650-2-14 Bourns Inc. 0.0000
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0.00000000 Multifuse?, MF-RG Radial, Disc cUL, cURus Bourns Inc. Through Hole -40°C ~ 85°C 0.441" L x 0.118" W (11.20mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 100 A 16V 3.5 s 6.5 A - 8.8 mOhms 24 mOhms 11.1 A
MF-RX020/72-0-17 MF-RX020/72-0-17 Bourns Inc. 0.0000
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Min: 1

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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
MF-USML450-2 MF-USML450-2 Bourns Inc. 0.0000
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Min: 1

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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 Polymeric MF-USML 50A 6V 2s 4.5A 0.047 1.20mm 1mOhms 15mOhms 9A
SF-1206HI800M-2 SF-1206HI800M-2 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 10 Weeks Tape & Reel (TR) 2018 SinglFuse™ SF-1206HIxxxM Active 1 (Unlimited) ROHS3 Compliant 1206 (3216 Metric) UL Surface Mount -55°C~150°C 0.126Lx0.063W x 0.038 H 3.20mmx1.60mmx0.97mm 24V TR, 7 INCH 3.2mm x 1.6mm x 0.97mm SF-1206 YES WRAPAROUND 3.2mm 1.6 mm 8A ELECTRIC FUSE 0.97mm 8A 60 J Board Mount (Cartridge Style Excluded) 80A 60 0.009Ohm
MF-R030-0-17 MF-R030-0-17 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 0.291" Dia x 0.122" T (7.40mm x 3.10mm) AEC-Q200 Polymeric 0.201" (5.10mm) 40 A 60V 3 s 300 mA - 760 mOhms 2.1 Ohms 600 mA
CMF-RD50-0 CMF-RD50-0 Bourns Inc. 0.0000
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Min: 1

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0.00000000 13 Weeks Bulk 2007 CMF-RD Obsolete 1 (Unlimited) 4 Radial EAR99 ROHS3 Compliant 3A Radial, Box unknown 6mm 50Ohm Through Hole 0.394Lx0.346W 10.00mmx8.80mm 0.374 9.50mm 8533.40.80.70 3A Ceramic NO WIRE 20% DUAL IN-LINE OVERLOAD PROTECTION 0.138 3.50mm 600V 90mA 230V 600V Int 100ms 190mA 50Ohm 90mA
MF-USML175-2 MF-USML175-2 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 14 Weeks Tape & Reel (TR) Multifuse®, MF-USML Active 2A (4 Weeks) 2 EAR99 ROHS3 Compliant MINIMUM RESISTANCE IS 0.0060 OHMS 1210 (3225 Metric), Concave unknown cURus, TUV Surface Mount -40°C~85°C 0.127Lx0.102W 3.22mmx2.58mm 6V 8533.40.80.70 TR, 7 INCH Polymeric MF-USML YES WRAPAROUND DUAL ENDED 6V 1.75A 50A 2.5s 3.5A 0.024 0.60mm 6mOhm 40mOhm 3.5A
MF-LSMF150X-2 MF-LSMF150X-2 Bourns Inc. 0.0000
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Min: 1

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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 - - 1.5 A -
CMF-SD25A-10-2 CMF-SD25A-10-2 Bourns Inc. 0.0000
RFQ

Min: 1

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0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2007 CMF-SD Obsolete 1 (Unlimited) 4 EAR99 ROHS3 Compliant Tin 4-SMD Cube Surface Mount 0.402Lx0.354W 10.20mmx9.00mm 8533.40.80.70 TR Ceramic GULL WING 10% DUAL IN-LINE OVERLOAD PROTECTION 600V 130mA 2.8A 220V 600V Int 300ms 260mA 25Ohm 0.425 10.80mm 260mA
CMF-RL50A-0 CMF-RL50A-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 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
MF-MSMD110/16-2 MF-MSMD110/16-2 Bourns Inc. 0.0000
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0.00000000 download Cut Tape (CT) 2004 MF-MSMD Obsolete 1 (Unlimited) 2 SMD/SMT EAR99 85°C -40°C 6V Non-RoHS Compliant 1.1A 0.04 OHMS MINIMUM AT 23 DEG CEL 1812 (4532 Metric) 210mOhm Surface Mount 0.179Lx0.020W 4.55mmx0.50mm 6V 8533.40.80.70 TR 100A YES WRAPAROUND 4532 1812 PTC RESETTABLE FUSE 1.2W DUAL OVERLOAD PROTECTION 1.1A 16V 0.3s 2.2A 0.134 3.41mm
2036-35-SM-RPLF 2036-35-SM-RPLF Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 1998 Mini-TRIGARD™ 2036-SM Active 1 (Unlimited) SMD/SMT 85°C -55°C 5mm 3 7.3mm ROHS3 Compliant Lead Free 3-SMD Cylinder Square End No SVHC UL Surface Mount 2pF 1 e3 Tin (Sn) UNSPECIFIED UNSPECIFIED 2036 OTHER X-XXSS-X ±20% 20kA SURGE PROTECTION CIRCUIT No 350V 10000A 10kA
MF-RX300-2-99 MF-RX300-2-99 Bourns Inc. 0.0000
RFQ

Min: 1

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0.00000000 download 5 Weeks Tape & Reel (TR) 2011 Multifuse®, MF-RX yes Obsolete 1 (Unlimited) 2 Radial EAR99 60V ROHS3 Compliant 40A No 0.04-0.06 OHMS AT 23 DEG CEL Radial, Disc 10.2mm cURus, TUV 60mOhm Through Hole -40°C~85°C 0.980Lx0.122W 24.90mmx3.10mm 60V 1.181 30.00mm 8533.40.80.70 TR, 15 INCH 40A Polymeric e3 Tin (Sn) MF-RX NO WIRE OVERLOAD PROTECTION 0.402 10.20mm 2.8W 3A 19.8s 6A 3A 40mOhm 100mOhm
MF-MSHT050KX-2 MF-MSHT050KX-2 Bourns Inc. 0.0000
RFQ

Min: 1

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0.00000000 Multifuse? MF-MSHT 1812 (4532 Metric), Concave cUL, TUV Bourns Inc. Surface Mount -40°C ~ 125°C 0.181" L x 0.128" W (4.60mm x 3.24mm) AEC-Q200 Polymeric - 40 A 30V 100 ms 500 mA 0.033" (0.85mm) 180 mOhms 1.6 Ohms 2.5 A
MF-RX250/72-0 MF-RX250/72-0 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks PCB, Through Hole Bulk 2008 Multifuse®, MF-RX/72 yes Active 1 (Unlimited) 2 Radial 72V ROHS3 Compliant UL94 V-0 Lead Free Tin 40A No Radial, Disc No SVHC 10.2mm 3.1mm cURus, TUV 3.1mm 80mOhm Through Hole -40°C~85°C 0.839Lx0.122W 21.30mmx3.10mm 72V 1.039 26.40mm 60V 40A Polymeric 7.6mm e3 MF-RX 10.2mm 2.5W Polymer WIRE 810 μm OVERLOAD PROTECTION 810 μm 0.402 10.20mm 2.5W 2.5A 15.6s 5A 2.5A 50mOhm 130mOhm
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
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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-NSML400-2 MF-NSML400-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Tape & Reel (TR) Multifuse®, MF-NSML Active 2A (4 Weeks) EAR99 ROHS3 Compliant 1206 (3216 Metric), Concave cURus, TUV Surface Mount -40°C~85°C 0.128Lx0.063W 3.25mmx1.60mm 6V 8533.40.80.70 Polymeric e4 Gold (Au) - with Nickel (Ni) barrier MF-NSML 4A 50A 5s 8A 0.024 0.60mm 1.5mOhm 14mOhm 8A
MF-RHT200-2-17 MF-RHT200-2-17 Bourns Inc. 0.0000
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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
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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

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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
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Min: 1

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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-R025 MF-R025 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 60V 7.4mm ROHS3 Compliant UL94 V-0 Lead Free Tin 60V 250mA No Radial, Disc No SVHC 5.1mm 12.7mm cURus, TUV 1.95Ohm Through Hole -40°C~85°C 0.291Dia x 0.122 T 7.40mmx3.10mm 60V 0.500 12.70mm 40A Polymeric 7.6mm e3 5.1mm Polymer WIRE 510 μm TEMPERATURE SENSING 510 μm 0.201 5.10mm 450mW 250mA 2.5s 500mA 1Ohm 3Ohm
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
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