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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 Max Operating Temperature Min Operating Temperature Length RoHS Status Contact Plating Current Rating Additional Feature Package / Case Height Width 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 Type JESD-609 Code Terminal Finish Surface Mount Terminal Pitch Subcategory Terminal Shape Reference Standard Body Length or Diameter Rated Current Circuit Protection Type Blow Characteristic Fuse Size Body Height Case Code (Metric) Case Code (Imperial) Current Rating (Amps) Response Time Rated Power Dissipation (P) Working Voltage Terminal Placement Joule Integral-Nom Max Voltage Rating (AC) Thermistor Application Lead Diameter Applications Lead Spacing Power Dissipation Hold Current Fuse Type Current - Max Voltage - Max Time to Trip Trip Current Pre-arcing Time-Min Thickness (Max) Breaking Capacity @ Rated Voltage Melting I2t DC Cold Resistance Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max)
MRF 250-BULK MRF 250-BULK Bel Fuse Inc. 0.0000
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0.00000000 7 Weeks Bulk MRF Active 1 (Unlimited) ROHS3 Compliant Radial, Can, Vertical CE, CSA, cULus, SEMKO, VDE Through Hole -55°C~125°C 0.329Dia x 0.303 H 8.35mmx7.70mm 250V 250mA Fast Blow Board Mount (Cartridge Style Excluded) 35A 0.023 0.42Ohm
0ZCC0150FF2C 0ZCC0150FF2C Bel Fuse Inc. 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 0ZCC Obsolete 2A (4 Weeks) 2 ROHS3 Compliant 1812 (4532 Metric) cURus, TUV Surface Mount -40°C~85°C 0.179Lx0.128W 4.55mmx3.24mm TR, 7 INCH 40A Polymeric e3 Matte Tin (Sn) Non-linear Resistors WRAPAROUND 4532 1812 0.8W DUAL ENDED TEMPERATURE SENSING 1.5A 100A 8V 500ms 3A 0.061 1.55mm 40mOhm 110mOhm
3JQ 100-R TR 3JQ 100-R TR Bel Fuse Inc. 0.0000
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0.00000000 Tape & Reel (TR) 3JQ Last Time Buy 1 (Unlimited) ROHS3 Compliant 2AG, 5mm x 15mm (Axial) CE, CSA, cURus Through Hole -55°C~125°C 0.217Diax0.591L 5.50mmx15.00mm 350V 100mA Fast Blow Cartridge, Glass 100A 0.001 6.14Ohm
5MT 375 5MT 375 Bel Fuse Inc. 0.0000
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0.00000000 download Bulk 5MT yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 5mm x 20mm CE, CSA, cULus Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 5.1mm x 20mm e3 Matte Tin (Sn) NO END CAP CE; CSA; PSE; UL 5.1mm 0.375A ELECTRIC FUSE 5x20mm 20mm 375mA Medium Blow Cartridge, Glass 35A 0.47 1.06Ohm
GSA 62 GSA 62 Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 download Bulk GSA Obsolete Not Applicable Non-RoHS Compliant 3AB, 3AG, 1/4 x 1-1/4 CE, CSA, UL Holder -55°C~125°C 0.250Diax1.252L 6.35mmx31.80mm 250V 63mA Slow Blow Cartridge, Ceramic 35A
3AB 2.5-R 3AB 2.5-R Bel Fuse Inc. 0.0000
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0.00000000 8 Weeks Bulk 3AB yes Active EAR99 ROHS3 Compliant PRE-ARCING TIME: OPEN WITHIN 5 SEC. AT 200% RATED CURRENT 3AB, 3AG, 1/4 x 1-1/4 CE, CSA, cURus, PSE Holder -55°C~125°C 0.250Diax1.252L 6.35mmx31.80mm 250V 6.35mm x 31.8mm e3 Matte Tin (Sn) NO END CAP CE; CSA; PSE; UL 6.35mm 2.5A ELECTRIC FUSE 6x32mm 31.8mm 2.5A Fast Blow 12 J Cartridge, Ceramic 100A 12 0.047Ohm
0ZCJ0110FF2E 0ZCJ0110FF2E Bel Fuse Inc. 0.0000
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0.00000000 download 14 Weeks Cut Tape (CT) 0ZCJ Active 2A (4 Weeks) EAR99 ROHS3 Compliant 1206 (3216 Metric), Concave cURus, TUV Surface Mount -40°C~85°C 0.128Lx0.065W 3.25mmx1.65mm 8533.40.80.70 Y 3.5mm x 1.8mm x 1mm 100A Polymeric e3 Matte Tin (Sn) TEMPERATURE DEPENDENT RESISTOR TUV, UL 3216 1206 6V 1.1A 100A 8V 300ms 2.2A 0.039 1.00mm 40mOhm 180mOhm
0ADAP1000-RE 0ADAP1000-RE Bel Fuse Inc. 0.0000
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0.00000000 download 6 Weeks Bulk 0ADAP Active 1 (Unlimited) ROHS3 Compliant 3AB, 3AG, 1/4 x 1-1/4 (Axial) cURus Through Hole -55°C~125°C 0.266Dia x 1.292 H 6.76mmx32.82mm 600V 600V 1A Fast Blow Cartridge, Ceramic 10kA 0.23 0.45Ohms
5HFP 500 5HFP 500 Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 download Bulk 5HFP yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 5mm x 20mm (Axial) CCC, CE, CSA, UL 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; UL 5.5mm 0.5A ELECTRIC FUSE VERY FAST 5x20mm 21mm 500mA Fast Blow Cartridge, Ceramic 1.5kA 0.16 0.4Ohm
0ADAC8000-BE 0ADAC8000-BE Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 download 6 Weeks Bulk 0ADAC Active 1 (Unlimited) ROHS3 Compliant 3AB, 3AG, 1/4 x 1-1/4 cURus Holder -55°C~125°C 0.250Diax1.252L 6.35mmx31.80mm 600V 600V 8A Fast Blow Cartridge, Ceramic 10kA 76.8 0.018Ohms
0679L0250-05 0679L0250-05 Bel Fuse Inc. 0.7590
Add to Cart

Min: 1

Mult: 1

0.00000000 8 Weeks Surface Mount Tape & Reel (TR) 0679L Active 1 (Unlimited) 125°C -55°C 6.096mm ROHS3 Compliant 250mA 2-SMD, Square End Block 2.794mm 2.54mm cURus 610mOhm Surface Mount -55°C~125°C 0.240Lx0.100W x 0.110 H 6.10mmx2.54mmx2.79mm 125V 125V 6125 2410 250mA Fast Blow Board Mount (Cartridge Style Excluded) 50A AC 300A DC 0.02 0.61Ohms
5TTP 2.5 5TTP 2.5 Bel Fuse Inc. 0.0000
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Min: 1

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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, UL 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 0.25A ELECTRIC FUSE 5x20mm 21mm 2.5A Slow Blow Cartridge, Glass 100A 45 0.06Ohm
RJS 250 RJS 250 Bel Fuse Inc. 0.0000
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Min: 1

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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 0.25A ELECTRIC FUSE TIME LAG 4.6mm 250mA Slow Blow Telecom Board Mount 60A 0.64 3.2Ohm
3ABP 300 3ABP 300 Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 download Bulk 3ABP yes 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 (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; UL 6.9mm 0.3A ELECTRIC FUSE 6x32mm 32.5mm 300mA Fast Blow Cartridge, Ceramic 35A 0.044 2.7Ohm
0659C4000-12 0659C4000-12 Bel Fuse Inc. 0.0000
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0.00000000 7 Weeks Holder Bulk 0659C Active 1 (Unlimited) 125°C -55°C 19.9898mm ROHS3 Compliant 4A 5mm x 20mm CCC, cURus, PSE, VDE 16mOhm Holder -55°C~125°C 0.205Diax0.787L 5.20mmx20.00mm 250V 4A Slow Blow Cartridge, Ceramic 1.5kA 51.2 0.016Ohms
5HTP 6.3 5HTP 6.3 Bel Fuse Inc. 0.0000
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Min: 1

Mult: 1

0.00000000 Bulk 5HTP yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 5mm x 20mm (Axial) CCC, CE, CSA, cULus, PSE, SEMKO, VDE Through Hole -55°C~125°C 0.217Diax0.827L 5.50mmx21.00mm 250V 8536.10.00.40 BOX; TAPE AND REEL 5.5mm x 21mm e3 Matte Tin (Sn) NO PIN WIRE CCC; CE; CSA; IMQ; PSE; SEMKO; UL; VDE 5.5mm 6.3A ELECTRIC FUSE TIME LAG 5x20mm 21mm 6.3A Slow Blow 181 J Cartridge, Ceramic 1.5kA 181 0.013Ohm
0678D3150-02 0678D3150-02 Bel Fuse Inc. 1.0312
Add to Cart

Min: 1

Mult: 1

0.00000000 download 7 Weeks Tape & Reel (TR) 0678D Active 1 (Unlimited) ROHS3 Compliant 2-SMD, Square End Block cURus Surface Mount -55°C~125°C 0.386Lx0.120W x 0.120 H 9.80mmx3.05mmx3.05mm 125V 350V 3.15A Fast Blow Board Mount (Cartridge Style Excluded) 100A AC 2kA DC 2.6 0.035Ohms
2JQ 6-R 2JQ 6-R Bel Fuse Inc. 0.0000
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Min: 1

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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 6A ELECTRIC FUSE VERY FAST 5x15mm 13.8mm 6A Fast Blow 35 J Cartridge, Glass 100A AC 150A DC 35 0.012Ohm
3AB 8-R 3AB 8-R Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 8 Weeks Bulk 3AB Active 1 (Unlimited) ROHS3 Compliant 3AB, 3AG, 1/4 x 1-1/4 CE, CSA, cURus, PSE Holder -55°C~125°C 0.250Diax1.252L 6.35mmx31.80mm 250V 8A Fast Blow Cartridge, Ceramic 200A 184 0.01Ohms
0685H9300-01 0685H9300-01 Bel Fuse Inc. 0.3255
Add to Cart

Min: 1

Mult: 1

0.00000000 8 Weeks Tape & Reel (TR) C1H Active 1 (Unlimited) ROHS3 Compliant 1206 (3216 Metric) cURus Surface Mount -55°C~125°C 0.126Lx0.062W x 0.026 H 3.20mmx1.58mmx0.65mm 32V 125V e3 Tin (Sn) - with Nickel (Ni) barrier ELECTRIC FUSE 30A Fast Blow Board Mount (Cartridge Style Excluded) 150A AC 300A DC 80.5 0.0011Ohm
5SF 2 5SF 2 Bel Fuse Inc. 0.0000
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Min: 1

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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 Nickel (Ni) NO END CAP CCC; CE; CSA; SEMKO; UL; VDE 5.1mm 2A ELECTRIC FUSE 5x20mm 20mm 2A Fast Blow 6 J Cartridge, Glass 35A 6.4 0.04Ohm
0ZRM0125FF1A 0ZRM0125FF1A Bel Fuse Inc. 0.0000
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0.00000000 download 14 Weeks Through Hole Bulk 0ZRM yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Tin Radial, Disc cURus, TUV Through Hole -40°C~85°C 0.551Lx0.161W 14.00mmx4.10mm 0.854 21.70mm 8533.40.80.70 12.5A Polymeric e3 5.1mm Non-linear Resistors WIRE 120V TEMPERATURE SENSING 810 μm 0.201 5.10mm 2.88W 1.25A 12.5A 20s 2.5A 110mOhm 330mOhm
5SFP 1.6 5SFP 1.6 Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 download Bulk 5SFP 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 5.5mm x 21mm e3 Matte Tin (Sn) NO PIN WIRE CCC; CE; CSA; SEMKO; UL; VDE 5.5mm 1.6A ELECTRIC FUSE 5x20mm 21mm 1.6A Fast Blow 4 J Cartridge, Glass 35A 4 0.06Ohm
2JQ 250 2JQ 250 Bel Fuse Inc. 0.0000
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Min: 1

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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 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 0.25A ELECTRIC FUSE VERY FAST 5x15mm 13.8mm 250mA Fast Blow Cartridge, Glass 100A AC 150A DC 0.014 1.67Ohm
0698Q2500-05 0698Q2500-05 Bel Fuse Inc. 0.0000
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0.00000000 18 Weeks Through Hole Bulk 0698Q yes Active 1 (Unlimited) EAR99 ROHS3 Compliant Tin 2.5A Radial, Box 7.6962mm cURus 28mOhm Through Hole -55°C~125°C 0.329Lx0.157W x 0.303 H 8.35mmx4.00mmx7.70mm 140V 350V e3 ELECTRIC FUSE Fast Blow Board Mount (Cartridge Style Excluded) 100A AC 150A DC 0.028Ohm
5ST 100-R 5ST 100-R Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 10 Weeks Bulk 5ST Active 1 (Unlimited) ROHS3 Compliant 5mm x 20mm CCC, CE, CSA, cURus, IMQ, SEMKO, VDE Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 100mA Slow Blow Cartridge, Glass 35A 0.03 10.3Ohms
5HFP 6.3-R 5HFP 6.3-R Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 8 Weeks Bulk 5HFP Active 1 (Unlimited) ROHS3 Compliant 5mm x 20mm (Axial) CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, VDE Through Hole -55°C~125°C 0.217Diax0.827L 5.50mmx21.00mm 250V 6.3A Fast Blow Cartridge, Ceramic 1.5kA 70 0.011Ohms
5TT 100-R 5TT 100-R Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 Bulk 5TT Last Time Buy 1 (Unlimited) ROHS3 Compliant 5mm x 20mm CE, CSA, cULus Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 100mA Slow Blow Cartridge, Glass 100A 0.137 18.8Ohms
MRT 4-BULK MRT 4-BULK Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 15 Weeks Bulk MRT Active Not Applicable EAR99 ROHS3 Compliant Radial, Can, Vertical CCC, CE, CSA, cURus, PSE, SEMKO, VDE Through Hole -55°C~125°C 0.329Dia x 0.303 H 8.35mmx7.70mm 250V 8536.10.00.40 8.35mm x 7.7mm NO PIN WIRE CCC; CSA; CUL; IEC; PSE; SEMKO; UL; VDE 8.35mm 4A ELECTRIC FUSE TIME LAG 7.7mm 4A Slow Blow 92 J Board Mount (Cartridge Style Excluded) 20ms 50A 110 0.013Ohm
SSQC 7 SSQC 7 Bel Fuse Inc. 0.0000
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Min: 1

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0.00000000 download 12 Weeks Tape & Reel (TR) SSQC Active 1 (Unlimited) ROHS3 Compliant 2-SMD, Square End Block with Clip Holder, Surface Mount -55°C~125°C 0.330Lx0.128W x 0.115 H 8.38mmx3.25mmx2.92mm 125V 125V 7A Fast Blow Board Mount (Cartridge Style Excluded) 50A AC 300A DC 20 0.011Ohms
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