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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 Color Depth Operating Supply Voltage Diameter Length RoHS Status Lead Free Current Rating Number of Pins Additional Feature Package / Case Reach Compliance Code Height Width Approval Agency Resistance Mounting Type Weight Operating Temperature Size / Dimension Voltage - Rated DC Technology Voltage - Rated AC HTS Code Packing Method Physical Dimension Power Rating Type JESD-609 Code Terminal Finish Terminal Position Terminal Form Peak Reflow Temperature (Cel) Time@Peak Reflow Temperature-Max (s) Pin Count Surface Mount JESD-30 Code Operating Temperature (Max) Operating Temperature (Min) Subcategory Terminal Shape Reference Standard Body Length or Diameter Body Breadth Rated Current Circuit Protection Type Blow Characteristic Fuse Size Trip Time or Delay Body Height Diode Element Material Number of Elements Configuration Composition Polarity Case Code (Metric) Case Code (Imperial) Case Connection Current Rating (Amps) Response Time Joule Integral-Nom Applications Max Surge Current Breakdown Voltage Reverse Standoff Voltage Peak Pulse Power Clamping Voltage Peak Pulse Current Power Dissipation-Max Fuse Type Power Line Protection Voltage - Breakdown (Min) Breaking Capacity @ Rated Voltage Melting I2t DC Cold Resistance Power - Peak Pulse Voltage - Clamping (Max) @ Ipp Unidirectional Channels Number of Unidirectional Channels
021702.5MXBP 021702.5MXBP Littelfuse Inc. 0.0000
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0.00000000 download Holder Bulk 217 Obsolete 1 (Unlimited) Clip 125°C -55°C 19.9898mm ROHS3 Compliant 2.5A 5mm x 20mm BSI, CE, CCC, CSA, KC, PSE, SEMKO, UR, VDE 33.4mOhm Holder -55°C~125°C 0.205Diax0.787L 5.20mmx20.00mm 250V 2.5A Fast Blow Cartridge, Glass 35A 9.46 0.0334Ohms
0453.100NR 0453.100NR Littelfuse Inc. 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) NANO²® 453 Active 1 (Unlimited) EAR99 ROHS3 Compliant 100mA 2-SMD, Square End Block unknown 2.6924mm CSA, UL 3.1Ohm Surface Mount -55°C~125°C 0.240Lx0.106W x 0.106 H 6.10mmx2.69mmx2.69mm 125V 125V Fast Blow Board Mount (Cartridge Style Excluded) 50A 0.00138 3.1Ohm
42412500101 42412500101 Littelfuse Inc. 0.0000
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0.00000000 download Holder Tape & Reel (TR) 2003 424 Obsolete 1 (Unlimited) 125°C -55°C 10.0076mm Non-RoHS Compliant Exempt 2.5A SMD w/Holder 3.7mm 5mm cULus Holder -55°C~125°C 0.394Lx0.197W x 0.146 H 10.00mmx5.00mmx3.70mm 125V 125V 2.5A Fast Blow Board Mount (Cartridge Style Excluded) 50A 0.95
0298125.V 0298125.V Littelfuse Inc. 0.0000
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0.00000000 Bolt Bulk MEGA® Discontinued Not Applicable 125°C -40°C Blue, Green 68.58mm ROHS3 Compliant 125A Auto Link 10.67mm 19.05mm cULus 423μOhm Bolt Mount -40°C~125°C 1.149Lx0.750W x 0.390 H 29.20mmx19.05mmx9.90mm 32V 125A Slow Blow Automotive 2kA 57800 0.000423Ohms
066501.6ZRLL 066501.6ZRLL Littelfuse Inc. 0.0000
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0.00000000 download Through Hole Tape & Reel (TR) LT-5™ 665 Obsolete 1 (Unlimited) Radial ROHS3 Compliant Lead Free 1.6A Radial, Can, Vertical unknown 8.4582mm CSA, UL 46mOhm Through Hole -40°C~85°C 0.335Dia x 0.333 H 8.50mmx8.45mm 250V TAPE AND REEL 8.5mm x 8.45mm 8.5mm Electric Fuse TIME LAG 14400 s Slow Blow Board Mount (Cartridge Style Excluded) 50A 17.5 0.046Ohm
06631.25HXLL 06631.25HXLL Littelfuse Inc. 0.0000
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0.00000000 download Bulk LT-5™ 663 Obsolete Not Applicable ROHS3 Compliant Lead Free Radial, Can, Vertical unknown CCC, CSA, KTL, METI, SEMKO, UL, VDE Through Hole -40°C~85°C 0.335Dia x 0.333 H 8.50mmx8.45mm 250V 8.5mm x 8.45mm CCC, CSA, METI, SEMKO, UL, VDE 8.5mm 1.25A Electric Fuse TIME LAG 8.45mm 1.25A Slow Blow Board Mount (Cartridge Style Excluded) 35A 15 0.05Ohm
42401250101 42401250101 Littelfuse Inc. 0.0000
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0.00000000 download Holder Tape & Reel (TR) 2003 424 Obsolete 1 (Unlimited) 125°C -55°C 10.0076mm Non-RoHS Compliant Exempt 125mA SMD w/Holder 3.7084mm 5.0038mm cULus Holder -55°C~125°C 0.394Lx0.197W x 0.146 H 10.00mmx5.00mmx3.70mm 125V 125V 125mA Fast Blow Board Mount (Cartridge Style Excluded) 50A 0.00067
0294100.U 0294100.U Littelfuse Inc. 0.0000
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0.00000000 17 Weeks Bolt Bulk PAL™ 294 Active 1 (Unlimited) Blue ROHS3 Compliant 100A Auto Link unknown 21.9964mm Bolt Mount 0.898Lx0.638W x 0.866 H 22.81mmx16.20mmx22.00mm 32V 23mm x 16.4mm x 25.3mm 125°C -40°C 23mm 16.4 mm Electric Fuse Slow Blow Automotive
42514000101 42514000101 Littelfuse Inc. 0.0000
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0.00000000 download Holder Tape & Reel (TR) 2003 425 Obsolete 1 (Unlimited) 125°C -55°C 10.0076mm Non-RoHS Compliant Exempt 4A SMD w/Holder 3.7084mm 5.0038mm cULus Holder -55°C~125°C 0.394Lx0.197W x 0.146 H 10.00mmx5.00mmx3.70mm 80V 125V 4A Slow Blow Board Mount (Cartridge Style Excluded) 35A AC 50A DC 30
19112000001 19112000001 Littelfuse Inc. 0.0000
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0.00000000 download Holder Bulk 2003 191 Obsolete 1 (Unlimited) Clip 70°C -25°C 19.9898mm ROHS3 Compliant Lead Free 2A 5mm x 20mm cUL, PSE, UL Holder -25°C~70°C 0.205Diax0.787L 5.20mmx20.00mm 250V 250V 2A Fast Blow Cartridge, Glass 100A 11
161.450200B 161.450200B Littelfuse Inc. 0.0000
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0.00000000 Obsolete 1 (Unlimited)
0MEG080.XPA 0MEG080.XPA Littelfuse Inc. 0.0000
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0.00000000 download 7 Weeks Bolt Bulk MEGA® Active Not Applicable 29.1846mm ROHS3 Compliant 80A Auto Link 9.906mm 19.558mm Bolt Mount 1.149Lx0.770W x 0.390 H 29.20mmx19.50mmx9.90mm 32V 32V 80A Slow Blow Automotive
0215.200MXBP 0215.200MXBP Littelfuse Inc. 0.0000
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0.00000000 download 15 Weeks Bulk 215 Active 1 (Unlimited) Clip ROHS3 Compliant 200mA 5mm x 20mm unknown CE, SEMKO, UL, VDE 1.84Ohm Holder -55°C~125°C 0.205Diax0.787L 5.20mmx20.00mm 250V ELECTRIC FUSE Slow Blow Cartridge, Ceramic 1.5kA 0.34 1.84Ohm
0255.750NRT2 0255.750NRT2 Littelfuse Inc. 0.0000
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0.00000000 download Through Hole Tape & Reel (TR) PICO® 255 Obsolete 1 (Unlimited) 2.41mm 7.112mm Non-RoHS Compliant Contains Lead 750mA Axial CSA, UL Through Hole 0.095Diax0.280L 2.41mmx7.11mm 125V 125V 750mA Fast Blow Board Mount (Cartridge Style Excluded) 50A AC 300A DC
0673008.DRT4P 0673008.DRT4P Littelfuse Inc. 0.0000
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0.00000000 download 11 Weeks Through Hole Tape & Reel (TR) 673 Active 1 (Unlimited) Axial 10.9982mm ROHS3 Compliant 8A Cartridge, Non-Standard (Axial) CSA, UL 7.7mOhm Through Hole 0.154Diax0.433L 3.90mmx11.00mm 250V 8A Slow Blow Cartridge, Glass 50A 114 0.0077Ohms
0294030.U 0294030.U Littelfuse Inc. 0.0000
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0.00000000 17 Weeks Bolt Bulk PAL™ 294 Active 1 (Unlimited) Pink ROHS3 Compliant 30A Auto Link unknown 21.9964mm Bolt Mount 0.898Lx0.638W x 0.866 H 22.81mmx16.20mmx22.00mm 32V 23mm x 16.4mm x 25.3mm 125°C -40°C 23mm 16.4 mm Electric Fuse Slow Blow Automotive
0314.500VXP 0314.500VXP Littelfuse Inc. 3.6998
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0.00000000 11 Weeks Bulk 314 Active 1 (Unlimited) EAR99 ROHS3 Compliant 500mA 3AB, 3AG, 1/4 x 1-1/4 CE, CSA, UL 500mOhm Holder -55°C~125°C 0.250Diax1.250L 6.35mmx31.75mm 125V 250V 6.35mm x 31.75mm Nickel (Ni) NO END CAP CE; CSA; UL 6.35mm ELECTRIC FUSE 3AB 31.75mm Fast Blow Cartridge, Ceramic 35A AC 10kA DC 0.115 0.5Ohm
0235006.HXEP 0235006.HXEP Littelfuse Inc. 0.0000
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0.00000000 download 15 Weeks Through Hole Bulk 235 Active 1 (Unlimited) Axial 125°C -55°C 6mm 22.5044mm ROHS3 Compliant Lead Free 6A 5mm x 20mm (Axial) CE, CSA, KC, PSE, UL 14.8mOhm Through Hole -55°C~125°C 0.228Diax0.886L 5.80mmx22.50mm 125V 125V 6A Fast Blow Cartridge, Glass 10kA 47.325 0.0148Ohms
0429.500WRM 0429.500WRM Littelfuse Inc. 5.5852
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0.00000000 download Surface Mount Tape & Reel (TR) 429 Obsolete 1 (Unlimited) 90°C -55°C 1.52mm 3.18mm Non-RoHS Compliant Contains Lead 500mA 1206 (3216 Metric) 1.143mm 1.524mm CSA, UL 240.5mOhm Surface Mount -55°C~90°C 0.125Lx0.060W x 0.045 H 3.18mmx1.52mmx1.14mm 63V 63V Thin Film 3216 1206 500mA Fast Blow Board Mount (Cartridge Style Excluded) 0.006 0.2405Ohms
0218.160MXF4P 0218.160MXF4P Littelfuse Inc. 0.0000
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0.00000000 15 Weeks Through Hole Bulk 218 Active 1 (Unlimited) Clip 125°C -55°C 5mm 22.5044mm ROHS3 Compliant 160mA 5mm x 20mm (Axial) BSI, CCC, CE, CSA, KC, SEMKO, UR, VDE 144mOhm Through Hole -55°C~125°C 0.228Diax0.886L 5.80mmx22.50mm 250V 160mA Slow Blow Cartridge, Glass 35A 3.7 0.144Ohms
0219.630MXAE 0219.630MXAE Littelfuse Inc. 0.0000
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0.00000000 download Through Hole Bulk 219XA Obsolete 1 (Unlimited) Axial EAR99 Non-RoHS Compliant 630mA 5mm x 20mm (Axial) unknown CCC, CE, CSA, SEMKO, UL, VDE 275mOhm Through Hole -55°C~125°C 0.228Diax0.886L 5.80mmx22.50mm 250V 8536.10.00.40 5.8mm x 22.5mm e3 TIN PIN WIRE CCC; CE; CSA; SEMKO; SEV; UL; VDE 5.8mm ELECTRIC FUSE TIME LAG 5x20mm 22.5mm Slow Blow 4 J Cartridge, Glass 150A 4.82 0.275Ohm
19802500001 19802500001 Littelfuse Inc. 0.0000
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0.00000000 download Holder Bulk 1999 198 Obsolete 1 (Unlimited) Clip 70°C -25°C 5.2mm 19.9898mm ROHS3 Compliant Contains Lead 250mA 5mm x 20mm CSA, UL Holder 0.205Diax0.787L 5.20mmx20.00mm 250V 250V 250mA Slow Blow Cartridge, Glass 35A 0.29
0876.125MRET1P 0876.125MRET1P Littelfuse Inc. 0.0000
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0.00000000 download 11 Weeks Through Hole Tape & Reel (TR) 876 Active 1 (Unlimited) Axial ROHS3 Compliant 125mA Cartridge, Non-Standard (Axial) cULus, VDE 1.066Ohm Through Hole -55°C~125°C 0.142Diax0.394L 3.60mmx10.00mm 250V TAPE AND REEL 3.6mm x 10mm PIN WIRE UL; VDE 3.6mm ELECTRIC FUSE 10mm Fast Blow Cartridge, Ceramic 35A 0.02 1.066Ohm
0235004.VXP 0235004.VXP Littelfuse Inc. 1.8160
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0.00000000 download 15 Weeks Holder Bulk 235 Active 1 (Unlimited) 125°C -55°C 19.9898mm ROHS3 Compliant 4A 5mm x 20mm CE, CSA, K-MARK, PSE, UL 24.6mOhm Holder -55°C~125°C 0.205Diax0.787L 5.20mmx20.00mm 125V 4A Fast Blow Cartridge, Glass 10kA 17.14 0.0246Ohms
0473.500MRT3 0473.500MRT3 Littelfuse Inc. 0.0000
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0.00000000 download Through Hole Tape & Reel (TR) PICO® II 473 Obsolete 1 (Unlimited) Axial 125°C -55°C 7.112mm Non-RoHS Compliant 500mA Axial CSA, UR 1.13Ohm Through Hole -55°C~125°C 0.135Diax0.280L 3.43mmx7.11mm 125V 125V 500mA Slow Blow Board Mount (Cartridge Style Excluded) 50A 0.21 1.13Ohms
0MIN030.TPGLOA 0MIN030.TPGLOA Littelfuse Inc. 0.0000
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0.00000000 download Holder Bulk MINI® Smart Glow Obsolete Not Applicable 125°C -40°C Green 10.8966mm ROHS3 Compliant 30A Blade, Miniature 8.7884mm 3.81mm Holder -40°C~125°C 0.429Lx0.150W x 0.346 H 10.90mmx3.80mmx8.80mm 12V 30A Automotive 1kA
0232003.MXF34P 0232003.MXF34P Littelfuse Inc. 0.0000
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0.00000000 download 15 Weeks Holder Bulk 232 Active 1 (Unlimited) Clip 125°C -55°C 5mm 19.9898mm ROHS3 Compliant 3A 5mm x 20mm CE, KC, PSE 22.6mOhm Holder -55°C~125°C 0.205Diax0.787L 5.20mmx20.00mm 250V 3A Medium Blow Cartridge, Glass 100A 17.19 0.0226Ohms
20KPA20A 20KPA20A Littelfuse Inc. 0.0000
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0.00000000 download 18 Weeks Through Hole Tape & Reel (TR) 2009 20KPA no Active Not Applicable 2 Axial EAR99 20V ROHS3 Compliant 2 UL RECOGNIZED P600, Axial Through Hole -55°C~175°C TJ AVALANCHE Zener e3 Matte Tin (Sn) WIRE 260 30 2 Transient Suppressors SILICON 1 SINGLE Unidirectional ISOLATED General Purpose 548.9A 22.34V 20V 20kW 36.8V 548.9A 8W No 20000W 20kW 36.8V 1 1
SA30 SA30 Littelfuse Inc. 0.0000
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0.00000000 download 19 Weeks Through Hole Tape & Reel (TR) SA no Active 1 (Unlimited) 2 Axial EAR99 30V 3.6mm 7.6mm ROHS3 Compliant Lead Free UL RECOGNIZED DO-204AC, DO-15, Axial Through Hole 400.011771mg -55°C~175°C TJ 30V AVALANCHE 500W Zener e3 Matte Tin (Sn) WIRE 260 30 2 O-XALF-W2 Transient Suppressors SILICON 1 SINGLE Unidirectional ISOLATED General Purpose 10.5A 33.3V 30V 500W 50.82V 10.5A No 31.55V 1
1KSMB47 1KSMB47 Littelfuse Inc. 0.0000
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0.00000000 download 11 Weeks Surface Mount Tape & Reel (TR) 2012 1KSMB Active 1 (Unlimited) 2 SMD/SMT EAR99 40.2V ROHS3 Compliant UL RECOGNIZED DO-214AA, SMB Surface Mount -55°C~150°C TJ AVALANCHE Zener e3 Matte Tin (Sn) DUAL C BEND 260 40 2 R-PDSO-C2 Transient Suppressors SILICON 1 SINGLE Unidirectional General Purpose 14.8A 42.3V 40.2V 1kW 68.04V 15.4A 5W No 42.35V 1000W 1kW 1
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