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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 Diameter 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 Max Current Rating Type Lead Length JESD-609 Code Terminal Finish Base Part Number Surface Mount Terminal Pitch Subcategory Ambient Temperature Range High Max Power Dissipation Body Material Terminal Shape Mounting Feature Case Code (Metric) Case Code (Imperial) Wire/Cable Diameter Resistor Type 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 Time to Trip Trip Current Current - Hold (Ih) (Max) Thickness (Max) Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Current - Trip (It)
MF-RX110-0-99 MF-RX110-0-99 Bourns Inc. 0.0000
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0.00000000 download 5 Weeks Through Hole Bulk 2011 Multifuse®, MF-RX yes Obsolete 1 (Unlimited) 2 Radial EAR99 60V ROHS3 Compliant 60V 40A Radial, Disc Unknown 5.1mm cURus, TUV 250mOhm Through Hole -40°C~85°C 0.427Lx0.122W 10.84mmx3.10mm 0.662 16.84mm 8533.40.80.50 40A Polymeric e3 Tin (Sn) MF-RX WIRE OVERLOAD PROTECTION 810 μm 0.201 5.10mm 1.5W 1.1A 8.2s 2.2A 1.1A 150mOhm 380mOhm
MF-SM100/33-2 MF-SM100/33-2 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 7 Weeks PCB, Surface Mount Tape & Reel (TR) 2008 Multifuse®, MF-SM yes Active 1 (Unlimited) 2 SMD/SMT EAR99 33V ROHS3 Compliant Lead Free Tin 33V 40A No 2-SMD No SVHC 3mm cURus, TUV 410mOhm Surface Mount -40°C~85°C 0.287Lx0.214W 7.31mmx5.44mm 33V AEC-Q200 8533.40.80.70 TR, 14 INCH 40A Polymeric e3 MF-SM 85°C FLAT DUAL ENDED OVERLOAD PROTECTION 1.7W Brass 1.1A 500ms 2.2A 1.1A 0.118 3.00mm 120mOhm 410mOhm
MF-R160-2-99 MF-R160-2-99 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Through Hole Tape & Reel (TR) 2011 Multifuse®, MF-R yes Obsolete 1 (Unlimited) 2 Radial ROHS3 Compliant 40A Radial, Disc 5.1mm cURus, TUV 105mOhm Through Hole -40°C~85°C 0.402Dia x 0.118 T 10.20mmx3.00mm 0.661 16.80mm TR 40A Polymeric e3 Tin (Sn) MF-R160 WIRE TEMPERATURE SENSING 510 μm 0.201 5.10mm 30V 900mW 1.6A 30V 8s 3.2A 1.6A 55mOhm 150mOhm
MF-RX375/72-2-14 MF-RX375/72-2-14 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 9 Weeks Multifuse®, MF-RX/72 Active 1 (Unlimited) RoHS Compliant Radial, Disc cUL, cURus, TUV Through Hole -40°C~85°C 0.926Lx0.122W 23.51mmx3.10mm 1.162 29.51mm Polymeric 0.402 10.20mm 40A 72V 24s 3.75A 30mOhm 80mOhm 7.5A
MF-R135-2 MF-R135-2 Bourns Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 download 7 Weeks Through Hole Tape & Reel (TR) 2011 Multifuse®, MF-R yes Active 1 (Unlimited) 2 Radial 30V ROHS3 Compliant Lead Free 30V 40A No Radial, Disc No SVHC 5.1mm cURus, TUV 115mOhm Through Hole -40°C~85°C 0.350Dia x 0.118 T 8.90mmx3.00mm 30V 0.744 18.90mm TR 40A Polymeric e3 Tin (Sn) MF-R135 WIRE TEMPERATURE SENSING 510 μm 0.201 5.10mm 800mW 1.35A 7.3s 2.7A 1.35A 65mOhm 170mOhm
MF-RG800-0 MF-RG800-0 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Bulk 2001 Multifuse®, MF-RG yes Active 1 (Unlimited) 16V ROHS3 Compliant 16V Radial, Disc No SVHC 20.9mm CSA, TUV, UR Through Hole -40°C~85°C 0.500Lx0.118W 12.70mmx3.00mm 16V 0.823 20.90mm Polymeric e3 Tin (Sn) MF-RG 0.201 5.10mm 3W 8A 100A 5 s 13.6A
MF-SM150/33-2 MF-SM150/33-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks PCB, Surface Mount Tape & Reel (TR) 2008 Multifuse®, MF-SM yes Active 1 (Unlimited) 2 SMD/SMT EAR99 33V ROHS3 Compliant Lead Free 33V 1.5A No 2-SMD No SVHC 3mm cURus, TUV 230mOhm Surface Mount -40°C~85°C 0.344Lx0.264W 8.75mmx6.71mm 33V AEC-Q200 8533.40.80.50 TR, 14 INCH 40A Polymeric e3 Matte Tin (Sn) - with Nickel (Ni) barrier MF-SM 1.9W FLAT DUAL ENDED OVERLOAD PROTECTION 1.9W Brass 1.5A 5s 3A 0.118 3.00mm 60mOhm 230mOhm
MF-RG600-2-14 MF-RG600-2-14 Bourns Inc. 0.0000
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Min: 1

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0.00000000 Multifuse?, MF-RG Radial, Disc cUL, cURus Bourns Inc. Through Hole -40°C ~ 85°C 0.421" L x 0.118" W (10.70mm x 3.00mm) AEC-Q200 Polymeric 0.201" (5.10mm) 100 A 16V 3.3 s 6 A - 10 mOhms 28 mOhms 10.2 A
MF-RHT500-AP MF-RHT500-AP Bourns Inc. 0.0000
RFQ

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 0.441Lx0.118W 11.20mmx3.00mm 0.744 18.90mm AEC-Q200 Polymeric MF-RHT 0.201 5.10mm 100A 16V 9s 5A 17.5mOhm 45mOhm 9A
MF-SM013/250V-0 MF-SM013/250V-0 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Bulk 2006 Multifuse®, MF-SM/250V yes Active 1 (Unlimited) 2 SMD/SMT 60V ROHS3 Compliant 3A No 6.5 TO 12 OHMS AT 23 DEG CEL 2-SMD 1.53mm cURus, TUV 12Ohm Surface Mount -40°C~85°C 0.350Lx0.283W 8.90mmx7.20mm 60V 3A Polymeric e3 Tin (Sn) MF-SM YES FLAT DUAL ENDED OVERLOAD PROTECTION 3W 130mA 60V 250V Int 260mA 130mA 0.402 10.20mm 4Ohm 16Ohm
MF-RX185/72-0 MF-RX185/72-0 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 EAR99 72V ROHS3 Compliant UL94 V-0 Lead Free 40A No Radial, Disc No SVHC 5.1mm 3.1mm cURus, TUV 3.1mm 120mOhm Through Hole -40°C~85°C 0.701Lx0.122W 17.80mmx3.10mm 72V 0.902 22.90mm 60V 8533.40.80.70 40A Polymeric 7.6mm e3 Tin (Sn) MF-RX Polymer WIRE 810 μm OVERLOAD PROTECTION 810 μm 0.201 5.10mm 2.1W 1.85A 12.6s 3.7A 1.85A 80mOhm 190mOhm
MF-RX300-2 MF-RX300-2 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 60V ROHS3 Compliant 40A No Radial, Disc 10.2mm cURus, TUV 60mOhm Through Hole -40°C~85°C 0.980Lx0.122W 24.90mmx3.10mm 60V 1.181 30.00mm TR, 15 INCH 40A Polymeric e3 Tin (Sn) MF-RX WIRE OVERLOAD PROTECTION 810 μm 0.402 10.20mm 2.8W 3A 19.8s 6A 3A 40mOhm 100mOhm
MF-RX300-AP MF-RX300-AP Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Through Hole Tape & Box (TB) 2011 Multifuse®, MF-RX yes Last Time Buy 1 (Unlimited) 2 Radial EAR99 60V ROHS3 Compliant 40A No 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 AMMO PACK 40A Polymeric e3 Tin (Sn) MF-RX WIRE OVERLOAD PROTECTION 810 μm 0.402 10.20mm 2.8W 3A 19.8s 6A 3A 40mOhm 100mOhm
MF-RX185/72-AP MF-RX185/72-AP Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Through Hole Tape & Box (TB) 2012 Multifuse®, MF-RX/72 yes Active 1 (Unlimited) 2 Radial EAR99 ROHS3 Compliant No Radial, Disc 5.1mm cURus, TUV 120mOhm Through Hole -40°C~85°C 0.701Lx0.122W 17.80mmx3.10mm 0.902 22.90mm 8533.40.80.70 AMMO PACK 40A Polymeric e3 Tin (Sn) MF-RX WIRE OVERLOAD PROTECTION 810 μm 0.201 5.10mm 2.1W 1.85A 40A 72V 12.6s 3.7A 80mOhm 190mOhm
MF-RHT600-2-14 MF-RHT600-2-14 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 5 s 6 A - 13 mOhms 32 mOhms 10.8 A
MF-SVS230N-0 MF-SVS230N-0 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download Bulk 2015 Multifuse®, MF-SVS yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant 0.010 OHMS MINIMUM AT 23 DEG CEL, LEAD FREE PRODUCT Strap cURus, TUV User Defined -40°C~85°C 0.866Lx0.205W 22.00mmx5.20mm 8533.40.80.70 100A Polymeric e2 Tin/Silver (Sn/Ag) MF-SVS YES Non-linear Resistors FLAT SURFACE MOUNT DUAL OVERLOAD PROTECTION 10V 2.3A 100A 10V 5s 5.2A 0.035 0.90mm 10mOhm 36mOhm
MF-R900-2 MF-R900-2 Bourns Inc. 0.0000
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Min: 1

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0.00000000 download 7 Weeks Through Hole Tape & Reel (TR) 2003 Multifuse®, MF-R yes Active 1 (Unlimited) 2 Radial 30V ROHS3 Compliant Tin 40A No 0.005 OHM MEASURED AT 23 DEG CEL Radial, Disc 10.2mm cURus, TUV 10mOhm Through Hole -40°C~85°C 0.953Lx0.118W 24.20mmx3.00mm 30V 1.295 32.90mm TR 40A Polymeric e3 MF-R900 10.2mm WIRE TEMPERATURE SENSING 810 μm 0.402 10.20mm 4.2W 9A 20s 18A 9A 5mOhm 20mOhm
MF-SM013/250V-2 MF-SM013/250V-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Surface Mount Tape & Reel (TR) 2006 Multifuse®, MF-SM/250V yes Active 1 (Unlimited) 2 SMD/SMT 60V ROHS3 Compliant 60V 3A 2 2-SMD No SVHC 3.2mm cURus, TUV 12Ohm Surface Mount -40°C~85°C 0.350Lx0.283W 8.90mmx7.20mm 60V TR 3A Polymeric e3 Tin (Sn) MF-SM 3W FLAT DUAL ENDED OVERLOAD PROTECTION 3W Brass 130mA 60V 250V Int 260mA 130mA 0.402 10.20mm 4Ohm 16Ohm
MF-R030-0-A0-99 MF-R030-0-A0-99 Bourns Inc. 0.0000
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Min: 1

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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 0.528 13.40mm Polymeric 0.201 5.10mm 40A 60V 3s 300mA 760mOhm 2.1Ohm 600mA
MF-RX020/72-0 MF-RX020/72-0 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Bulk 2011 Multifuse®, MF-RX/72 yes Active 1 (Unlimited) 2 Radial EAR99 72V ROHS3 Compliant UL94 V-0 72V 40A 1.5 TO 2.84 OHMS AT 23 DEG CEL Radial, Disc No SVHC 5.1mm 3.1mm cURus, TUV 2.84Ohm Through Hole -40°C~85°C 0.291Dia x 0.122 T 7.40mmx3.10mm 72V 0.500 12.70mm 8533.40.80.70 40A Polymeric 7.6mm e3 Tin (Sn) MF-RX NO WIRE 510 μm OVERLOAD PROTECTION 0.201 5.10mm 400mW 200mA 2.2s 400mA 200mA 1.5Ohm 4.4Ohm
MF-R250-AP-10 MF-R250-AP-10 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Through Hole Tape & Box (TB) 2005 Multifuse®, MF-R Active 1 (Unlimited) 2 Radial 85°C -40°C ROHS3 Compliant 40A No Radial, Disc 5.1mm cURus, TUV 48mOhm Through Hole -40°C~85°C 0.472Lx0.118W 12.00mmx3.00mm 0.720 18.30mm 40A Polymeric MF-R250 810 μm 0.201 5.10mm 1.2W 2.5A 40A 30V 10.3s 5A 2.5A 25mOhms 70mOhms 5A
MF-R800-AP-14 MF-R800-AP-14 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 0.953" L x 0.118" W (24.20mm x 3.00mm) AEC-Q200 Polymeric 0.402" (10.20mm) 40 A 30V 18.8 s 8 A - 5 mOhms 30 mOhms 16 A
MF-R090-2-9-99 MF-R090-2-9-99 Bourns Inc. 0.0000
RFQ

Min: 1

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0.00000000 download 4 Weeks Tape & Reel (TR) 2011 Multifuse®, MF-R Obsolete 1 (Unlimited) Radial 85°C -40°C ROHS3 Compliant 40A Radial, Disc 5.1mm cURus, TUV 120mOhm Through Hole -40°C~85°C 0.461Lx0.122W 11.70mmx3.10mm 0.657 16.70mm 40A Polymeric MF-R090 0.201 5.10mm 1W 900mA 40A 60V 7.2s 1.8A 900mA 140mOhms 470mOhms 1.8A
MF-RX090/72-0-17 MF-RX090/72-0-17 Bourns Inc. 0.0000
RFQ

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 0.461" 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
MF-RX185-AP-14 MF-RX185-AP-14 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Box (TB) Multifuse®, MF-RX Last Time Buy 1 (Unlimited) RoHS Compliant Radial, Disc cUL, cURus, TUV Through Hole -40°C~85°C 0.701Dia x 0.122 T 17.80mmx3.10mm 1.050 26.67mm Polymeric 0.402 10.20mm 40A 60V 12.6s 1.85A 80mOhm 190mOhm 3.7A
MF-SMDF100-2 MF-SMDF100-2 Bourns Inc. 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) 2006 Multifuse®, MF-SMDF yes Obsolete 1 (Unlimited) 2 SMD/SMT EAR99 15V ROHS3 Compliant 40A 0.06 TO 0.36 OHMS AT 23 DEG CEL 2018 (5045 Metric), Concave cURus, TUV 360mOhm Surface Mount -40°C~85°C 0.200Lx0.180W 5.08mmx4.58mm 60V 8533.40.80.70 TR, 13 INCH 40A Polymeric e4 Gold (Au) MF-SMDF YES WRAPAROUND 5045 2018 DUAL ENDED OVERLOAD PROTECTION 1.1A 500ms 2.2A 1.1A 0.049 1.25mm 100mOhm 390mOhm
MF-LSMF200X-2 MF-LSMF200X-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

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 - - 2 A -
MF-SM260-2 MF-SM260-2 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2010 Multifuse®, MF-SM yes Active 1 (Unlimited) 2 SMD/SMT EAR99 6V ROHS3 Compliant Contains Lead 6V 2.6A No 2 2-SMD No SVHC 3mm cURus, TUV 75mOhm Surface Mount -40°C~85°C 0.287Lx0.214W 7.31mmx5.44mm 6V AEC-Q200 8533.40.80.70 TR, 14 INCH 100A Polymeric e3 Matte Tin (Sn) - with Nickel (Ni) barrier MF-SM FLAT 7351 2920 DUAL ENDED OVERLOAD PROTECTION 6V 1.7W Brass 2.6A 20s 5.2A 0.118 3.00mm 25mOhm 75mOhm
MF-R600-AP-99 MF-R600-AP-99 Bourns Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Box (TB) 2012 Multifuse®, MF-R yes Obsolete 1 (Unlimited) 2 Radial EAR99 85°C -40°C ROHS3 Compliant 40A 0.005 TO 0.02 OHMS AT 23 DEG CEL Radial, Disc 10.2mm CSA, TUV, UL 20mOhm Through Hole 0.760Lx0.118W 19.30mmx3.00mm 1.256 31.90mm 8533.40.80.70 AMMO PACK 40A e3 Tin (Sn) NO WIRE PTC RESETTABLE FUSE TEMPERATURE SENSING 0.215 5.45mm 60V 3.5W 6A 30V 16s 12A 6A
MF-R250-0-010 MF-R250-0-010 Bourns Inc. 0.0000
RFQ

Min: 1

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0.00000000 download Bulk 2004 Multifuse®, MF-R yes Obsolete Not Applicable 2 Radial 30V 1.99mm ROHS3 Compliant Contains Lead 2.5A Radial, Disc 5.1mm 18.3mm cURus, TUV 48mOhm Through Hole -40°C~85°C 0.472Lx0.118W 12.00mmx3.00mm 30V 0.720 18.30mm 40A Polymeric e3 Tin (Sn) MF-R250 NO WIRE 1.2W OVERLOAD PROTECTION 0.201 5.10mm 2.5A 30V 10.3s 5A 25mOhm 70mOhm
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