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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 Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations ECCN Code Diameter RoHS Status Contact Plating Current Rating Additional Feature Package / Case Height Approval Agency Thickness Resistance Mounting Type Operating Temperature Size / Dimension Voltage - Rated DC Height Seated (Max) Voltage - Rated AC HTS Code Packing Method Physical Dimension Max Current Rating Type JESD-609 Code Terminal Finish Surface Mount Terminal Pitch Subcategory Terminal Shape Reference Standard Body Length or Diameter Body Breadth Rated Current Circuit Protection Type Blow Characteristic Fuse Size Trip Time or Delay Rated Voltage(DC) Body Height Case Code (Metric) Case Code (Imperial) Current Rating (Amps) Response Time Rated Power Dissipation (P) Joule Integral-Nom Thermistor Application Lead Diameter Applications Lead Spacing Hold Current Fuse Type Current - Max Voltage - Max Time to Trip Trip Current Thickness (Max) Breaking Capacity @ Rated Voltage Melting I2t DC Cold Resistance Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max)
2JQ 400 2JQ 400 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 2JQ yes Obsolete 1 (Unlimited) EAR99 Non-RoHS Compliant RATED BREAKING CAPACITY: 150 A 2AG, 5mm x 15mm CE, CSA, cURus Holder -55°C~125°C 0.201Diax0.543L 5.10mmx13.80mm 140V 350V 5.1mm x 13.8mm e3 Matte Tin (Sn) NO END CAP CE; CSA; PSE; UL 5.1mm 0.4A ELECTRIC FUSE VERY FAST 5x15mm 13.8mm 400mA Fast Blow Cartridge, Glass 100A AC 150A DC 0.05 0.84Ohm
SST 4/5K SST 4/5K Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 9 Weeks Tape & Reel (TR) SST Active 1 (Unlimited) ROHS3 Compliant 2-SMD, Square End Block CE, CSA, cULus Surface Mount -55°C~125°C 0.240Lx0.100W x 0.100 H 6.10mmx2.54mmx2.54mm 125V 4A Slow Blow Board Mount (Cartridge Style Excluded) 50A 23 0.024Ohm
RST 100-BULK-SHORT RST 100-BULK-SHORT Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 16 Weeks Bulk RST Active 1 (Unlimited) ROHS3 Compliant Radial, Box CCC, CE, cURus, SEMKO, VDE Through Hole -55°C~125°C 0.329Lx0.157W x 0.303 H 8.35mmx4.00mmx7.70mm 250V 100mA Slow Blow Board Mount (Cartridge Style Excluded) 100A 0.02 2.3Ohm
3JQ 500-R TR 3JQ 500-R TR Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 7 Weeks Tape & Reel (TR) 3JQ Active EAR99 ROHS3 Compliant 2AG, 5mm x 15mm (Axial) CE, CSA, cURus Through Hole -55°C~125°C 0.217Diax0.591L 5.50mmx15.00mm 140V 350V 5.5mm x 15mm PIN WIRE CSA, PSE, UL 5.5mm 0.5A Electric Fuse 15mm 500mA Fast Blow Cartridge, Glass 100A AC 150A DC 0.1 0.33Ohm
RJS 1.5 RJS 1.5 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk RJS Obsolete Not Applicable EAR99 Non-RoHS Compliant PRE-ARCING TIME: OPEN WITHIN 3 SEC. AT 200% RATED CURRENT Radial Bend Cylinder CE, CSA, cURus Through Hole -55°C~125°C 0.181Diax0.760L 4.60mmx19.30mm 600V 8536.10.00.40 19.3mm x 4.6mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; UL 19.3mm 1.5A ELECTRIC FUSE TIME LAG 4.6mm 1.5A Slow Blow 17 J Telecom Board Mount 60A 21 0.13Ohm
3SBP 2.5 3SBP 2.5 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 3SBP yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 3AB, 3AG, 1/4 x 1-1/4 (Axial) CE, CSA, PSE, UL Through Hole -55°C~125°C 0.272Diax1.280L 6.90mmx32.50mm 250V 8536.10.00.40 6.9mm x 32.5mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; PSE; UL 6.9mm 2.5A ELECTRIC FUSE 14400 s 32.5mm 2.5A Slow Blow 94 J Cartridge, Glass 100A 94 0.11Ohm
5SF 630-R 5SF 630-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 9 Weeks Bulk 5SF Active 1 (Unlimited) ROHS3 Compliant 5mm x 20mm CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, VDE Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 630mA Fast Blow Cartridge, Glass 35A 0.64 0.152Ohms
SSQ 800/5K SSQ 800/5K Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) SSQ Not For New Designs 1 (Unlimited) ROHS3 Compliant 2-SMD, Square End Block CE, CSA, cULus Surface Mount -55°C~125°C 0.240Lx0.100W x 0.100 H 6.10mmx2.54mmx2.54mm 125V 800mA Fast Blow Board Mount (Cartridge Style Excluded) 50A AC 300A DC
3AG 300 3AG 300 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 3AG Obsolete Not Applicable EAR99 Non-RoHS Compliant PRE-ARCING TIME: OPEN WITHIN 5 SEC. AT 200% RATED CURRENT 3AB, 3AG, 1/4 x 1-1/4 CE, CSA, PSE, UL Holder -55°C~125°C 0.250Diax1.252L 6.35mmx31.80mm 250V 6.35mm x 31.8mm NO END CAP CE; CSA; UL 6.35mm 0.3A ELECTRIC FUSE 31.8mm 300mA Fast Blow Cartridge, Glass 200A 0.044 2.7Ohm
0ZRC0110FF2B 0ZRC0110FF2B Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 14 Weeks Through Hole Tape & Reel (TR) 0ZRC yes Active 1 (Unlimited) 2 13mm ROHS3 Compliant Tin Radial, Disc cURus, TUV Through Hole -40°C~85°C 0.512Lx0.122W 13.00mmx3.10mm 0.709 18.00mm TR 40A Polymeric e3 5.1mm Non-linear Resistors WIRE 1.5W TEMPERATURE SENSING 810 μm 0.201 5.10mm 1.1A 40A 90V 8.2s 2.2A 150mOhm 380mOhm
5SF 250 5SF 250 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 5SF yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 5mm x 20mm CE, CSA, IMQ, SEMKO, UL, VDE Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 5.1mm x 20mm e3 Matte Tin (Sn) NO END CAP CCC; CE; CSA; SEMKO; UL; VDE 5.1mm 0.25A ELECTRIC FUSE 5x20mm 20mm 250mA Fast Blow Cartridge, Glass 35A 0.05 1.3Ohm
2JQ 3.5 2JQ 3.5 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 2JQ yes Obsolete 1 (Unlimited) Non-RoHS Compliant RATED BREAKING CAPACITY: 150 A 2AG, 5mm x 15mm CE, CSA, cURus, PSE Holder -55°C~125°C 0.201Diax0.543L 5.10mmx13.80mm 140V 350V 5.1mm x 13.8mm e3 Matte Tin (Sn) NO END CAP CE; CSA; PSE; UL 5.1mm 0.35A ELECTRIC FUSE VERY FAST 5x15mm 13.8mm 3.5A Fast Blow Cartridge, Glass 100A AC 150A DC 9 0.023Ohm
5MFP 800-R 5MFP 800-R Bel Fuse Inc. 0.7700
Add to Cart

Min: 1

Mult: 1

0.00000000 7 Weeks Bulk 5MFP yes Active Not Applicable EAR99 ROHS3 Compliant PRE-ARCING TIME: OPEN WITHIN 5 SEC. AT 200% RATED CURRENT 5mm x 20mm (Axial) CE, CSA, cULus Through Hole -55°C~125°C 0.217Diax0.827L 5.50mmx21.00mm 250V 8536.10.00.40 5.5mm x 21mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; UL 5.5mm 0.8A ELECTRIC FUSE 5x20mm 21mm 800mA Fast Blow Cartridge, Glass 200A 0.398 0.253Ohm
5ET 12-R 5ET 12-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 10 Weeks Bulk 5ET Active 1 (Unlimited) ROHS3 Compliant 5mm x 20mm CE, SEMKO Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 12A Slow Blow Cartridge, Glass 150A 635 0.003Ohms
5STP 250-R 5STP 250-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 10 Weeks Bulk 5STP yes Active EAR99 ROHS3 Compliant 5mm x 20mm (Axial) CCC, CE, CSA, cULus, IMQ, SEMKO, VDE Through Hole -55°C~125°C 0.217Diax0.827L 5.50mmx21.00mm 250V 8536.10.00.40 5.5mm x 21mm e3 Matte Tin (Sn) NO PIN WIRE CCC; CE; CSA; SEMKO; UL; VDE 5.5mm 0.25A ELECTRIC FUSE TIME LAG 5x20mm 21mm 250mA Slow Blow Cartridge, Glass 35A 0.26 1.9Ohm
0ZCF0100AF2A 0ZCF0100AF2A Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 14 Weeks Surface Mount Tape & Reel (TR) 0ZCF yes Active 2A (4 Weeks) ROHS3 Compliant 2920 (7351 Metric), Concave cURus, TUV 1.7018mm Surface Mount -40°C~85°C 0.290Lx0.202W 7.36mmx5.12mm 100A Polymeric 7351 2920 1A 100A 60V 500ms 2A 0.067 1.70mm 90mOhm 410mOhm
MRF 160-BULK-SHORT MRF 160-BULK-SHORT Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 7 Weeks Bulk MRF Active 1 (Unlimited) ROHS3 Compliant Radial, Can, Vertical Through Hole -55°C~125°C 0.329Dia x 0.303 H 8.35mmx7.70mm 250V 160mA Fast Blow Board Mount (Cartridge Style Excluded) 35A 0.016 2.3Ohm
MRF 2-BULK MRF 2-BULK Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 8 Weeks Bulk MRF Active 1 (Unlimited) ROHS3 Compliant Radial, Can, Vertical CE, CSA, cULus, PSE, SEMKO, VDE Through Hole -55°C~125°C 0.329Dia x 0.303 H 8.35mmx7.70mm 250V 2A Fast Blow Board Mount (Cartridge Style Excluded) 35A 2.1 0.028Ohm
5MF 3.5-R 5MF 3.5-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 9 Weeks Bulk 5MF Active Not Applicable ROHS3 Compliant 5mm x 20mm CE, CSA, cULus, PSE Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 125V 3.5A Fast Blow Cartridge, Glass 10kA 17 0.025Ohms
5TT 7 5TT 7 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 5TT yes Obsolete Not Applicable EAR99 Non-RoHS Compliant PRE-ARCING TIME: OPEN WITHIN 3 SEC. AT 200% RATED CURRENT 5mm x 20mm CE, CSA, PSE Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 125V 5.1mm x 20mm e3 Matte Tin (Sn) NO END CAP CE; CSA; PSE 5.1mm 7A ELECTRIC FUSE 5x20mm 20mm 7A Slow Blow 295 J Cartridge, Ceramic 10kA
0697H3150-02 0697H3150-02 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 10 Weeks Through Hole Tape & Box (TB) 0697H Active 1 (Unlimited) EAR99 ROHS3 Compliant 3.15A Radial, Box 7.7978mm cURus 21mOhm Through Hole -55°C~125°C 0.329Lx0.157W x 0.307 H 8.35mmx4.00mmx7.80mm 72V 350V 8.5mm x 4mm x 7.8mm e3 Matte Tin (Sn) UL 8.5mm 4 mm ELECTRIC FUSE TIME LAG MICRO Slow Blow Board Mount (Cartridge Style Excluded) 150A AC 200A DC 58 0.021Ohm
SSQ 630/5K SSQ 630/5K Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) SSQ Not For New Designs 1 (Unlimited) ROHS3 Compliant 2-SMD, Square End Block CE, CSA, cULus Surface Mount -55°C~125°C 0.240Lx0.100W x 0.100 H 6.10mmx2.54mmx2.54mm 125V 630mA Fast Blow Board Mount (Cartridge Style Excluded) 50A AC 300A DC
5MFP 700-R 5MFP 700-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 7 Weeks Bulk 5MFP Active Not Applicable ROHS3 Compliant 5mm x 20mm (Axial) CE, CSA, cULus Through Hole -55°C~125°C 0.217Diax0.827L 5.50mmx21.00mm 250V 700mA Fast Blow Cartridge, Glass 200A 0.265 0.312Ohms
5ET 500-R 5ET 500-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 5ET Obsolete Not Applicable ROHS3 Compliant 5mm x 20mm Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 500mA Slow Blow Cartridge, Glass
SST 1 SST 1 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 15 Weeks Cut Tape (CT) SST Active 1 (Unlimited) EAR99 ROHS3 Compliant PRE-ARCING TIME: OPEN WITHIN 0.02 SEC AT 800% RATED CURRENT 2-SMD, Square End Block CE, CSA, cULus Surface Mount -55°C~125°C 0.240Lx0.100W x 0.100 H 6.10mmx2.54mmx2.54mm 125V 8536.10.00.40 TAPE AND REEL 6.1mm x 2.54mm x 2.54mm e4 Nickel/Palladium (Ni/Pd) YES WRAPAROUND CE; CSA; UL 6.1mm 2.54 mm 1A ELECTRIC FUSE 125V 2.54mm 1A Slow Blow 1 J Board Mount (Cartridge Style Excluded) 50A 1.2 0.162Ohm
3JS 5-R TR 3JS 5-R TR Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 9 Weeks Tape & Reel (TR) 3JS Active 1 (Unlimited) ROHS3 Compliant 2AG, 5mm x 15mm (Axial) CE, CSA, cURus, PSE Through Hole -55°C~125°C 0.217Diax0.591L 5.50mmx15.00mm 140V 350V 5A Slow Blow Cartridge, Glass 100A AC 150A DC 135 0.018Ohms
5TTP 400-R 5TTP 400-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 10 Weeks Bulk 5TTP yes Active EAR99 ROHS3 Compliant PRE-ARCING TIME: OPEN WITHIN 5 SEC. AT 200% RATED CURRENT 5mm x 20mm (Axial) CE, CSA, cULus Through Hole -55°C~125°C 0.217Diax0.827L 5.50mmx21.00mm 250V 8536.10.00.40 5.5mm x 21mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; UL 5.5mm 0.4A ELECTRIC FUSE 5x20mm 21mm 400mA Slow Blow 1 J Cartridge, Glass 100A 1.65 1.45Ohm
5MFP 1.25-R 5MFP 1.25-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 9 Weeks Bulk 5MFP yes Active Not Applicable EAR99 ROHS3 Compliant PRE-ARCING TIME: OPEN WITHIN 5 SEC. AT 200% RATED CURRENT 5mm x 20mm (Axial) CE, CSA, cULus, PSE Through Hole -55°C~125°C 0.217Diax0.827L 5.50mmx21.00mm 250V 8536.10.00.40 5.5mm x 21mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; PSE; UL 5.5mm 1.25A ELECTRIC FUSE 5x20mm 21mm 1.25A Fast Blow 1 J Cartridge, Glass 200A 1.5 0.09Ohm
2JS 7-R 2JS 7-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 9 Weeks Bulk 2JS Active 1 (Unlimited) ROHS3 Compliant 2AG, 5mm x 15mm CE, CSA, cURus, PSE Holder -55°C~125°C 0.201Diax0.543L 5.10mmx13.80mm 140V 350V 7A Slow Blow Cartridge, Glass 100A AC 150A DC 263 0.012Ohms
3JQ 400 3JQ 400 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 3JQ yes Obsolete Not Applicable EAR99 Non-RoHS Compliant RATED BREAKING CAPACITY: 150 A 2AG, 5mm x 15mm (Axial) CE, CSA, cURus Through Hole -55°C~125°C 0.217Diax0.591L 5.50mmx15.00mm 140V 350V 8536.10.00.40 5.5mm x 15mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; PSE; UL 5.5mm 0.4A ELECTRIC FUSE VERY FAST 5x15mm 15mm 400mA Fast Blow Cartridge, Glass 100A AC 150A DC 0.05 0.84Ohm
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