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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 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 Thickness Resistance Mfr Mounting Type Operating Temperature Size / Dimension Voltage - Rated DC Height Seated (Max) Ratings Voltage - Rated AC HTS Code Packing Method Physical Dimension Max Current Rating Type Lead Length JESD-609 Code Terminal Finish Base Part Number Surface Mount Terminal Pitch Operating Temperature (Max) Operating Temperature (Min) Subcategory Body Material Terminal Shape Case Code (Metric) Case Code (Imperial) Tolerance Wire/Cable Diameter Resistor Type Working Voltage Terminal Placement Max Voltage Rating (AC) Thermistor Application Lead Diameter Applications Lead Spacing Rated (AC) Voltage (URac) Power Dissipation Terminal Material Hold Current Current - Max Voltage - Max Time to Trip Trip Current Power Line Protection Resistance @ 25°C Voltage - Breakdown (Min) Current - Hold (Ih) (Max) Thickness (Max) 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) Bidirectional Channels
MF-FSML100/8-2 MF-FSML100/8-2 Bourns Inc. 0.0000
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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-R030-0-99 MF-R030-0-99 Bourns Inc. 0.0000
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Min: 1

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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 40A No Radial, Disc No SVHC 5.1mm cURus, TUV 1.36Ohm Through Hole -40°C~85°C 0.291Dia x 0.122 T 7.40mmx3.10mm 60V 0.528 13.40mm 60V 40A Polymeric 7.6mm e3 Tin (Sn) MF-R030 WIRE TEMPERATURE SENSING 510 μm 0.201 5.10mm 500mW 300mA 3s 600mA 300mA 760mOhm 2.1Ohm
CMF-RLC50-10-0 CMF-RLC50-10-0 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 13 Weeks Through Hole Bulk 2008 CMF-RLC Obsolete 1 (Unlimited) 2 Radial EAR99 125°C -40°C ROHS3 Compliant Tin Radial, Disc 5.08mm 50Ohm Through Hole 0.354Lx0.177W 9.00mmx4.50mm 0.378 9.60mm 8533.40.80.70 9mm x 4.5mm x 9.6mm 3A Ceramic e3 5.08mm Non-linear Resistors FLAT 10% 650V OVERLOAD PROTECTION 800 μm 0.200 5.08mm 650V 65mA 3A 230V 650V Int 100ms 150mA 50Ohm
MF-RHT100-0-17 MF-RHT100-0-17 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 0.382" Dia x 0.118" T (9.70mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 40 A 30V 5 s 1 A - 180 mOhms 430 mOhms 1.8 A
MF-MSHT150KX-2 MF-MSHT150KX-2 Bourns Inc. 0.0000
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Min: 1

Mult: 1

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 9V 5 s 1.5 A 0.063" (1.60mm) 22 mOhms 200 mOhms 6 A
MF-RX110-AP-99 MF-RX110-AP-99 Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 download 5 Weeks Tape & Box (TB) 2012 Multifuse®, MF-RX yes Obsolete 1 (Unlimited) 2 Radial EAR99 ROHS3 Compliant 40A 0.15 OHMS MINIMUM AT 23 DEG CEL Radial, Disc 5.1mm cURus, TUV 250mOhm Through Hole -40°C~85°C 0.427Lx0.122W 10.84mmx3.10mm 0.662 16.84mm 8533.40.80.70 AMMO PACK 40A Polymeric e3 Tin (Sn) MF-RX NO WIRE TEMPERATURE SENSING 0.201 5.10mm 60V 1.5W 1.1A 60V 8.2s 2.2A 1.1A 150mOhm 380mOhm
MF-MSMD110-2 MF-MSMD110-2 Bourns Inc. 0.0000
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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 1.1A 0.04 OHMS MINIMUM AT 23 DEG CEL 1812 (4532 Metric) 620μm CSA, TUV, UR 210mOhm Surface Mount -40°C~85°C 0.179Lx0.020W 4.55mmx0.50mm 6V 8533.40.80.70 TR 100A Polymeric MF-MSMD YES WRAPAROUND 4532 1812 DUAL TEMPERATURE SENSING 6V 1.2W 1.1A 6V 300ms 2.2A 0.134 3.41mm 40mOhm 210mOhm
MF-R015/600-A-0 MF-R015/600-A-0 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download Bag Obsolete 1 (Unlimited) 2 EAR99 ROHS3 Compliant RMIN-RMAX(RI-R1) OHMS: 7-20AT 23 DEG CEL Radial, Box Through Hole 0.531Lx0.236W 13.50mmx6.00mm 0.496 12.60mm 8533.40.80.70 BULK e3 Tin (Sn) NO 85°C -40°C WIRE PTC RESETTABLE FUSE TEMPERATURE SENSING 60V
SMA6J12CA SMA6J12CA Bourns Inc. 0.0000
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Min: 1

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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 13.3V 600W 30.2A 19.9V 12V 1
MF-USML500/12-2 MF-USML500/12-2 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 cUL, cURus, TUV Surface Mount -40°C~85°C 0.127Lx0.101W 3.22mmx2.58mm Polymeric MF-USML 50A 12V 2s 5A 0.047 1.20mm 1mOhm 12mOhm 10A
MF-R017-2-17 MF-R017-2-17 Bourns Inc. 0.0000
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Min: 1

Mult: 1

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 170 mA - 2 Ohms 8 Ohms 340 mA
MF-NSMF016-2 MF-NSMF016-2 Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 download 12 Weeks Tape & Reel (TR) 2015 Multifuse®, MF-NSMF Active ROHS3 Compliant 1206 (3216 Metric), Concave Surface Mount 0.126Lx0.063W 3.20mmx1.60mm MF-NSMF 160mA 160mA 0.043 1.10mm
MF-NSHT016KX-2 MF-NSHT016KX-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

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 30V AEC-Q200 Polymeric MF-NSHT 160mA 20A 30V 100ms 800mA 160mA 0.033 0.85mm 700mOhms 6Ohms 800mA
MF-NSHT050KX-2 MF-NSHT050KX-2 Bourns Inc. 0.0000
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Min: 1

Mult: 1

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 16V 100ms 500mA 0.047 1.20mm 170mOhm 1.6Ohm 2.5A
MF-USML400-2 MF-USML400-2 Bourns Inc. 0.0000
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Min: 1

Mult: 1

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 4A 50A 6V 2s 8A 4A 0.024 0.60mm 1.5mOhms 15.5mOhms 8A
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-USMD035-2 MF-USMD035-2 Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2003 Multifuse®, MF-USMD Obsolete 1 (Unlimited) 2 SMD/SMT EAR99 6V Non-RoHS Compliant Contains Lead 350mA 0.2 TO 1.3 OHMS AT 23 DEG CEL 1210 (3225 Metric) 620μm CSA, TUV, UR 1.3Ohm Surface Mount -40°C~85°C 0.127Lx0.102W 3.22mmx2.58mm 30V 8533.40.80.70 TR 40A Polymeric MF-USMD YES WRAPAROUND 3225 1210 DUAL ENDED TEMPERATURE SENSING 6V 1W 350mA 6V 200ms 750mA 0.024 0.62mm 200mOhm 1.3Ohm
MF-RX160/72-0 MF-RX160/72-0 Bourns Inc. 0.0000
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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 40A No Radial, Disc No SVHC 5.1mm 3.1mm cURus, TUV 3.1mm 140mOhm Through Hole -40°C~85°C 0.642Lx0.122W 16.30mmx3.10mm 72V 0.839 21.30mm 30V 40A Polymeric 7.6mm e3 Tin (Sn) MF-RX Polymer WIRE 810 μm OVERLOAD PROTECTION 810 μm 0.201 5.10mm 1.9W 1.6A 11.4s 3.2A 1.6A 90mOhm 220mOhm
MF-MSMF125-2 MF-MSMF125-2 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 12 Weeks Surface Mount Tape & Reel (TR) 2004 Multifuse®, MF-MSMF Active 1 (Unlimited) 2 SMD/SMT 85°C -40°C 6V 3.43mm ROHS3 Compliant Lead Free Gold 6V 100A No 1812 1812 (4532 Metric), Concave No SVHC 850μm 3.41mm cURus, TUV 35mOhm Surface Mount -40°C~85°C 0.179Lx0.128W 4.55mmx3.24mm 6V AEC-Q200 100A Polymeric MF-MSMF 4532 1812 800mW Gold 1.25A 100A 6V 400ms 2.5A 1.25A 0.033 0.85mm 35mOhms 140mOhms 2.5A
MF-RHT100-AP MF-RHT100-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 0.382Lx0.118W 9.70mmx3.00mm 0.535 13.60mm AEC-Q200 Polymeric MF-RHT 0.201 5.10mm 40A 30V 5.2s 1A 180mOhm 430mOhm 1.8A
MF-R135-AP-17 MF-R135-AP-17 Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 Multifuse?, MF-R Radial, Disc cUL, cURus, TUV, UL Bourns Inc. Through Hole -40°C ~ 85°C 0.350" Dia x 0.118" T (8.90mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 40 A 30V 7.3 s 1.35 A - 65 mOhms 170 mOhms 2.7 A
MF-MSHT125KX-2 MF-MSHT125KX-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

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 9V 5 s 1.25 A 0.063" (1.60mm) 30 mOhms 300 mOhms 6.25 A
MF-SMDF030-2 MF-SMDF030-2 Bourns Inc. 0.3896
Add to Cart

Min: 1

Mult: 1

0.00000000 download 4 Weeks Tape & Reel (TR) 2006 Multifuse®, MF-SMDF Obsolete 1 (Unlimited) SMD/SMT 60V ROHS3 Compliant 300mA No 2018 (5045 Metric), Concave cURus, TUV 2.25Ohm Surface Mount -40°C~85°C 0.200Lx0.180W 5.08mmx4.58mm 60V 20A Polymeric MF-SMDF 5045 2018 700mW 300mA 60V 1.5s 800mA 0.043 1.09mm 450mOhm 2.2Ohm
CMF-RL25U-0 CMF-RL25U-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 220V ROHS3 Compliant Tin 900mA Radial, Disc No SVHC 5mm 3.5mm UR 25Ohm Through Hole -40°C~125°C 0.205Lx0.138W 5.20mmx3.50mm 220V 0.205 5.20mm 220V 900mA Ceramic e3 5mm WIRE 20% 220V OVERLOAD PROTECTION 600 μm 0.197 5.00mm 600V 60mA 220V 600V Int 250ms 150mA 25Ohm 60mA
MF-R160-AP-17 MF-R160-AP-17 Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 Multifuse?, MF-R Radial, Disc cUL, cURus, TUV, UL Bourns Inc. Through Hole -40°C ~ 85°C 0.402" Dia x 0.118" T (10.20mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 40 A 30V 8 s 1.6 A - 55 mOhms 150 mOhms 3.2 A
MF-R600-0-99 MF-R600-0-99 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Through Hole Bulk 2005 Multifuse®, MF-R yes Obsolete 1 (Unlimited) 2 Radial 30V ROHS3 Compliant UL94 V-0 40A Radial, Disc No SVHC 10.2mm cURus, TUV 20mOhm Through Hole -40°C~85°C 0.760Lx0.118W 19.30mmx3.00mm 30V 1.256 31.90mm 30V 40A Polymeric 7.6mm e3 Tin (Sn) MF-R600 WIRE TEMPERATURE SENSING 810 μm 0.402 10.20mm 3.5W 6A 16s 12A 6A 5mOhm 40mOhm
MF-R016/600-1-2 MF-R016/600-1-2 Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 download 11 Weeks Tape & Reel (TR) 2005 Multifuse®, MF-R/600 Obsolete 1 (Unlimited) 2 Radial EAR99 60V ROHS3 Compliant 160mA No RMIN-RMAX(RI-R1) OHMS: 4-17AT 23 DEG CEL Radial, Box 5mm cURus, TUV 10Ohm Through Hole -40°C~85°C 0.630Lx0.236W 16.00mmx6.00mm 60V 0.496 12.60mm 8533.40.80.70 TR, 14.6 INCH 3A Polymeric e3 Tin (Sn) MF-R016 NO WIRE TEMPERATURE SENSING 0.197 5.00mm 1W 160mA 250V 600V Int 7s 320mA 4Ohm 17Ohm
CMF-SD35A-10-2 CMF-SD35A-10-2 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 14 Weeks Surface Mount Tape & Reel (TR) 2009 CMF-SD Obsolete 1 (Unlimited) 4 SMD/SMT EAR99 125°C -40°C ROHS3 Compliant Copper, Tin 4-SMD Cube 35Ohm Surface Mount 0.319Lx0.282W 8.10mmx7.15mm 8533.40.80.70 TR, 13 INCH 2.5A Ceramic GULL WING 10% DUAL IN-LINE 230V OVERLOAD PROTECTION 600V 100mA 2.5A 230V 600V Int 200ms 200mA 35Ohm 0.335 8.50mm
MF-R185-AP-17 MF-R185-AP-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-RX160-2 MF-RX160-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Through Hole Tape & Reel (TR) 2011 Multifuse®, MF-RX yes Last Time Buy 1 (Unlimited) 2 Radial EAR99 60V ROHS3 Compliant 40A No Radial, Disc 5.1mm cURus, TUV 140mOhm Through Hole -40°C~85°C 0.642Lx0.122W 16.30mmx3.10mm 60V 0.839 21.30mm 8533.40.80.70 TR, 15 INCH 40A Polymeric e3 Tin (Sn) MF-RX WIRE OVERLOAD PROTECTION 810 μm 0.201 5.10mm 1.9W 1.6A 11.4s 3.2A 1.6A 90mOhm 220mOhm
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