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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 RoHS Status Lead Free Contact Plating Current Rating Number of Pins Additional Feature Package / Case Height Approval Agency 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 Max Voltage Rating (DC) 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) Working Voltage Terminal Placement Joule Integral-Nom Thermistor Application Lead Diameter Applications Lead Spacing Power Dissipation Hold Current Fuse Type Current - Max Voltage - Max Time to Trip Trip Current Fuse Current Current - Hold (Ih) (Max) Thickness (Max) Breaking Capacity @ Rated Voltage Melting I2t DC Cold Resistance Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Current - Trip (It)
0697W4000-02 0697W4000-02 Bel Fuse Inc. 0.3622
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0.00000000 8 Weeks Through Hole Cut Tape (CT) 0697W Active 1 (Unlimited) EAR99 ROHS3 Compliant Tin 4A 2 Radial, Box 7.7978mm CQC, cURus, PSE, VDE 14mOhm Through Hole -55°C~125°C 0.329Lx0.157W x 0.307 H 8.35mmx4.00mmx7.80mm 72V 350V TAPE AND REEL 8.35mm x 4mm x 7.8mm e3 CQC, PSE, UL, VDE 8.35mm 4 mm ELECTRIC FUSE TIME LAG Slow Blow Board Mount (Cartridge Style Excluded) 100A 101 0.014Ohm
0685T3500-01 0685T3500-01 Bel Fuse Inc. 0.0000
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0.00000000 15 Weeks Cut Tape (CT) C1T Active 1 (Unlimited) EAR99 ROHS3 Compliant 1206 (3216 Metric) CE, cURus Surface Mount -55°C~125°C 0.126Lx0.062W 3.20mmx1.58mm 63V e3 Tin (Sn) - with Nickel (Ni) barrier ELECTRIC FUSE 3.5A Slow Blow Board Mount (Cartridge Style Excluded) 50A 2.28 0.042Ohm
RJS 2.5-R SHORT RJS 2.5-R SHORT Bel Fuse Inc. 0.0000
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0.00000000 7 Weeks Bulk RJS Active 1 (Unlimited) ROHS3 Compliant Radial Bend Cylinder CE, CSA, cURus Through Hole -55°C~125°C 0.181Diax0.760L 4.60mmx19.30mm 600V 2.5A Slow Blow Telecom Board Mount 100A 56 0.056Ohm
2JQ 7 2JQ 7 Bel Fuse Inc. 0.0000
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0.00000000 Bulk 2JQ yes Obsolete 1 (Unlimited) EAR99 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 0.75A ELECTRIC FUSE VERY FAST 5x15mm 13.8mm 7A Fast Blow Cartridge, Glass 100A AC 150A DC 46 0.01Ohm
RST 200 AMMO RST 200 AMMO Bel Fuse Inc. 0.0000
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0.00000000 16 Weeks Tape & Box (TB) RST Active 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 200mA Slow Blow Board Mount (Cartridge Style Excluded) 100A 0.11 0.73Ohms
RST 500-BULK RST 500-BULK Bel Fuse Inc. 0.0000
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0.00000000 19 Weeks Bulk RST Active Not Applicable 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 500mA Slow Blow Board Mount (Cartridge Style Excluded) 100A 1.7 0.18Ohm
0ZRA0400FF2D 0ZRA0400FF2D Bel Fuse Inc. 0.0000
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0.00000000 download 14 Weeks Through Hole Tape & Reel (TR) 0ZRA yes Active 1 (Unlimited) 2 ROHS3 Compliant Tin Radial, Disc cURus, TUV Through Hole -40°C~85°C 0.280Lx0.118W 7.10mmx3.00mm 0.504 12.80mm TR 100A Polymeric e3 5.1mm WIRE 16V 810 μm 0.201 5.10mm 4A 100A 16V 3.5s 6.8A 20mOhm 63mOhm
3JQ 1 3JQ 1 Bel Fuse Inc. 0.0000
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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, PSE 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 1A ELECTRIC FUSE VERY FAST 5x15mm 15mm 1A Fast Blow Cartridge, Glass 100A AC 150A DC 0.46 0.098Ohm
0679H0250-05 0679H0250-05 Bel Fuse Inc. 0.2739
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0.00000000 9 Weeks Tape & Reel (TR) 0679H Active 1 (Unlimited) EAR99 ROHS3 Compliant 2-SMD, Square End Block 2.79mm cURus Surface Mount -55°C~125°C 0.240Lx0.100W x 0.110 H 6.10mmx2.54mmx2.79mm 72V 350V TAPE AND REEL 6.1mm x 2.54mm x 2.54mm e4 Silver (Ag) UL 6.1mm 2.54 mm 0.25A ELECTRIC FUSE VERY FAST 2410 14400 s Fast Blow Board Mount (Cartridge Style Excluded) 250mA 50A AC 100A DC 0.02 0.61Ohm
5STP 400 5STP 400 Bel Fuse Inc. 0.0000
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0.00000000 download Bulk 5STP yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 5mm x 20mm (Axial) CE, CSA, IMQ, SEMKO, UL, 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 0.4A ELECTRIC FUSE TIME LAG 5x20mm 21mm 400mA Slow Blow Cartridge, Glass 35A 0.81 0.82Ohm
RJS 125 RJS 125 Bel Fuse Inc. 0.0000
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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 1.25A ELECTRIC FUSE TIME LAG 4.6mm 125mA Slow Blow 12 J Telecom Board Mount 60A 0.17 11Ohm
5MTP 800 5MTP 800 Bel Fuse Inc. 0.0000
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0.00000000 download Bulk 5MTP yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 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; PSE; UL 5.5mm 0.8A ELECTRIC FUSE 5x20mm 21mm 800mA Medium Blow 3 J Cartridge, Glass 35A 3.8 0.23Ohm
2JQ 3.5-R 2JQ 3.5-R Bel Fuse Inc. 0.0000
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0.00000000 7 Weeks Bulk 2JQ yes Active 1 (Unlimited) ROHS3 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 3.5A ELECTRIC FUSE VERY FAST 5x15mm 13.8mm 3.5A Fast Blow 9 J Cartridge, Glass 100A AC 150A DC 9 0.023Ohm
2JQ 4-R 2JQ 4-R Bel Fuse Inc. 0.0000
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0.00000000 7 Weeks Bulk 2JQ yes Active 1 (Unlimited) EAR99 ROHS3 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 4A ELECTRIC FUSE VERY FAST 5x15mm 13.8mm 4A Fast Blow 12 J Cartridge, Glass 100A AC 150A DC 12 0.018Ohm
MJS 1.25-R MJS 1.25-R Bel Fuse Inc. 0.0000
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0.00000000 9 Weeks Bulk MJS Active ROHS3 Compliant 2AG, 5mm x 15mm (Axial) CE, CSA, cULus, PSE Through Hole -55°C~125°C 0.217Diax0.591L 5.50mmx15.00mm 250V 1.25A Slow Blow Cartridge, Glass 200A 9 0.127Ohms
MS 4TR MS 4TR Bel Fuse Inc. 0.0000
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0.00000000 download Tape & Reel (TR) MS Obsolete Not Applicable Axial CE, CSA, cURus Through Hole -55°C~125°C 0.125Diax0.280L 3.18mmx7.10mm 125V 125V 4A Slow Blow Board Mount (Cartridge Style Excluded) 50A AC 300A DC 14 0.041Ohms
0679H2000-01 0679H2000-01 Bel Fuse Inc. 0.3016
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Min: 1

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0.00000000 9 Weeks Tape & Reel (TR) 0679H Active 1 (Unlimited) EAR99 ROHS3 Compliant 2-SMD, Square End Block cURus Surface Mount -55°C~125°C 0.240Lx0.100W x 0.110 H 6.10mmx2.54mmx2.79mm 72V 350V TAPE AND REEL 6.1mm x 2.54mm x 2.54mm e4 Silver (Ag) UL 6.1mm 2.54 mm 2A ELECTRIC FUSE VERY FAST 2410 14400 s 2.54mm 2A Fast Blow Board Mount (Cartridge Style Excluded) 50A AC 100A DC 0.68 0.041Ohm
0ZCB0200FF2E 0ZCB0200FF2E Bel Fuse Inc. 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 0ZCB Obsolete 2A (4 Weeks) 2 EAR99 ROHS3 Compliant 1210 (3225 Metric), Concave cURus, TUV Surface Mount -40°C~85°C 0.127Lx0.102W 3.22mmx2.58mm 8533.40.80.70 TR, 7 INCH 100A 6V Polymeric e3 Matte Tin (Sn) Non-linear Resistors ONE SURFACE 3225 1210 DUAL ENDED OVERLOAD PROTECTION 800mW 2A 100A 1s 4A 0.055 1.40mm 15mOhm 70mOhm
SSQ 4/5K SSQ 4/5K Bel Fuse Inc. 0.0000
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0.00000000 Tape & Reel (TR) SSQ Not For New Designs 1 (Unlimited) EAR99 ROHS3 Compliant RATED BREAKING CAPACITY AT 86 VDC: 10000 A 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 YES END CAP CE; CSA; UL 6.1mm 2.54 mm 4A ELECTRIC FUSE VERY FAST 86V 2.54mm 4A Fast Blow 5 J Board Mount (Cartridge Style Excluded) 50A AC 300A DC 5.1 0.019Ohm
5MFP 5-R 5MFP 5-R Bel Fuse Inc. 0.0000
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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, PSE Through Hole -55°C~125°C 0.217Diax0.827L 5.50mmx21.00mm 125V 8536.10.00.40 5.5mm x 21mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; PSE 5.5mm 5A ELECTRIC FUSE 5x20mm 21mm 5A Fast Blow 38 J Cartridge, Glass 10kA 38 0.016Ohm
0ZCJ0012FF2E 0ZCJ0012FF2E Bel Fuse Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) 0ZCJ Active 2A (4 Weeks) ROHS3 Compliant Lead Free 1206 (3216 Metric), Concave cURus, TUV Surface Mount -40°C~85°C 0.128Lx0.065W 3.25mmx1.65mm Y 3.5mm x 1.8mm x 0.85mm 10A Polymeric e3 Matte Tin (Sn) TEMPERATURE DEPENDENT RESISTOR TUV, UL 3216 1206 48V 120mA 10A 48V 200ms 390mA 0.033 0.85mm 1.4Ohm 6.5Ohm
5TTP 7 5TTP 7 Bel Fuse Inc. 0.0000
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0.00000000 download Bulk 5TTP yes Obsolete Not Applicable EAR99 Non-RoHS Compliant PRE-ARCING TIME: OPEN WITHIN 5 SEC. AT 200% RATED CURRENT 5mm x 20mm (Axial) CE, CSA, PSE Through Hole -55°C~125°C 0.217Diax0.827L 5.50mmx21.00mm 125V 8536.10.00.40 5.5mm x 21mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; UL 5.5mm 0.75A ELECTRIC FUSE 5x20mm 21mm 7A Slow Blow 5 J Cartridge, Ceramic 10kA
SSQ 4 SSQ 4 Bel Fuse Inc. 0.0000
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0.00000000 Cut Tape (CT) 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 125V 4A Fast Blow Board Mount (Cartridge Style Excluded) 50A AC 300A DC 5.1 0.019Ohms
0ZRN0450FF1E 0ZRN0450FF1E Bel Fuse Inc. 0.0000
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0.00000000 download 14 Weeks 0ZRN Active Not Applicable ROHS3 Compliant Radial, Disc cURus, TUV, UL Through Hole -40°C~125°C 0.409Lx0.118W 10.40mmx3.00mm 0.614 15.60mm Polymeric 0.201 5.10mm 100A 16V 3s 4.5A 22mOhms 54mOhms 7.8A
0ZCE0075FF2E 0ZCE0075FF2E Bel Fuse Inc. 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) 0ZCE Obsolete 2A (4 Weeks) 2 EAR99 ROHS3 Compliant Tin 0805 (2012 Metric), Concave cURus, TUV Surface Mount -40°C~85°C 0.083Lx0.053W 2.10mmx1.35mm 8533.40.80.70 TR, 7 INCH 40A Polymeric WRAPAROUND 2012 0805 0.6W DUAL ENDED TEMPERATURE SENSING 750mA 40A 6V 200ms 1.5A 0.049 1.25mm 90mOhm 350mOhm
3JS 1.5-R 3JS 1.5-R Bel Fuse Inc. 0.0000
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0.00000000 9 Weeks Bulk 3JS yes Active EAR99 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 8536.10.00.40 6.2mm x 18mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; PSE; UL 6.2mm 1.5A ELECTRIC FUSE TIME LAG 18mm 1.5A Slow Blow 14 J Cartridge, Glass 100A AC 150A DC 15 0.094Ohm
5STP 1.6-R 5STP 1.6-R Bel Fuse Inc. 0.0000
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0.00000000 10 Weeks Bulk 5STP Active 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 1.6A Slow Blow Cartridge, Glass 35A 6.9 0.04Ohms
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