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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 Lifecycle Status Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations Termination ECCN Code Max Operating Temperature Min Operating Temperature Depth Number of Poles Diameter Length RoHS Status Lead Free Contact Plating Current Rating Additional Feature Package / Case REACH SVHC Reach Compliance Code Height Width Approval Agency Resistance Mounting Type Operating Temperature Voltage - Rated DC Technology Voltage - Rated AC Capacitance HTS Code Packing Method Number of Functions Insulation Resistance Max Voltage Rating (DC) Capacitance @ Frequency JESD-609 Code Terminal Finish Terminal Position Terminal Form Surface Mount Operating Temperature (Max) Operating Temperature (Min) Subcategory Terminal Shape Mounting Feature Feature Case Code (Metric) Case Code (Imperial) Tolerance Number of Circuits Resistor Type Rated Power Dissipation (P) Rated Temperature Terminal Placement Max Voltage Rating (AC) Thermistor Application Applications Lead Spacing Rated (AC) Voltage (URac) Max Surge Current Voltage - Clamping Voltage Tolerance Varistor Voltage Clamping Current Circuit RMS Voltage-Max Energy Absorbing Capacity-Max Circuit DC Voltage-Max Energy Clamping Voltage Telecom IC Type Thermal Sensitivity Index Fail Short Voltage - DC Spark Over (Nom) Impulse Discharge Current (8/20μs) R @ 25°C Current - Steady State Max R @ Current Varistor Voltage (Max) Varistor Voltage (Min) Varistor Voltage (Typ) Maximum AC Volts Current - Surge Maximum DC Volts
B57237S0709M000 B57237S0709M000 TDK Electronics Inc. 0.0000
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0.00000000 download 18 Weeks Bulk 2013 S237 yes Active 1 (Unlimited) 2 EAR99 0.591 15.00mm ROHS3 Compliant UL 7Ohm 8533.40.80.70 e3 Tin (Sn) NO 170°C -55°C WIRE THROUGH HOLE MOUNT ±20% NTC THERMISTOR 3.1W 25°C RADIAL SOFT START 0.295 7.50mm 265V 3000 K 7 Ω 4.2A
B72210S2421K502 B72210S2421K502 TDK Electronics Inc. 0.0000
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0.00000000 Bulk AdvanceD Not For New Designs ROHS3 Compliant Disc 10mm Through Hole -40°C~105°C TA 165pF @ 1kHz 1 67J 748V 612V 680V 420V 3.5kA 560V
B72240L0551K102 B72240L0551K102 TDK Electronics Inc. 0.0000
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0.00000000 download 19 Weeks Bulk 2011 HighE yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Square 37.5mm, Tabs Chassis Mount -25°C~85°C TA METAL OXIDE FILM 8533.40.40.00 1400pF @ 1kHz e3 Tin (Sn) NO Non-linear Resistors BINDING POST 1 VARISTOR RADIAL 550V 745V 960J 1.001kV 819V 910V 550V 40kA 745V
B72207S0151K211 B72207S0151K211 TDK Electronics Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) 2011 StandarD Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Disc 7mm unknown Through Hole -40°C~105°C TA 8533.40.40.00 TR 210pF @ 1kHz NO WIRE 1 VARISTOR RADIAL 11J 264V 216V 240V 150V 1.2kA 200V
B72542V0170K062 B72542V0170K062 TDK Electronics Inc. 0.0000
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0.00000000 7 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 2220 (5750 Metric) Surface Mount, MLCV 1 7.2J 29.7V 24.3V 27V 17V 1.2kA 22V
B88069X4460S102 B88069X4460S102 TDK Electronics Inc. 0.0000
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0.00000000 Strip Obsolete 1 (Unlimited) ROHS3 Compliant
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0.00000000 download 7 Weeks Tape & Reel (TR) yes Active 1 (Unlimited) 2 ROHS3 Compliant 1206 (3216 Metric) Surface Mount, MLCV -55°C~125°C TA METAL OXIDE FILM TR 600pF @ 1kHz e3 Tin (Sn) - with Nickel (Ni) barrier YES VARISTOR WRAPAROUND 1 VARISTOR 0.008W DUAL 35V 45V 0.40J 61.6V 50.4V 56V 35V 100A 45V
B72220S0950K101 B72220S0950K101 TDK Electronics Inc. 0.0000
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0.00000000 download 16 Weeks Bulk StandarD yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant FLAME PROOF Disc 20mm Through Hole -40°C~105°C TA METAL OXIDE FILM 8533.40.40.00 2500pF @ 1kHz e3 Tin (Sn) NO VARISTOR WIRE 1 VARISTOR 1W RADIAL 95V 50J 165V 135V 150V 95V 6.5kA 125V
B72220S0200K131 B72220S0200K131 TDK Electronics Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) 2011 StandarD Active 1 (Unlimited) ROHS3 Compliant Disc 20mm Through Hole -40°C~105°C TA 13000pF @ 1kHz 1 18J 36.3V 29.7V 33V 20V 2kA 26V
B88069X4480T902 B88069X4480T902 TDK Electronics Inc. 0.0000
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0.00000000 download 14 Weeks Through Hole Tape & Reel (TR) N81-A90X Active 1 (Unlimited) Axial 2 ROHS3 Compliant Lead Free Axial Cylinder, Radial SMT Bend Surface Mount ±20% No 90V 10000A 10kA
B72500T0250K070 B72500T0250K070 TDK Electronics Inc. 0.0000
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0.00000000 7 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant
B72510T0300K072 B72510T0300K072 TDK Electronics Inc. 0.0000
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0.00000000 7 Weeks Surface Mount Tape & Reel (TR) Active 1 (Unlimited) SMD/SMT 125°C -55°C 2mm ROHS3 Compliant 1A 0805 (2012 Metric) 1.4mm 1.25mm Surface Mount, MLCV 38V 30V 200pF 2012 0805 10% 1 120A 0.30J 77V 51.7V 42.3V 47V 80A 38V
B72520E0250K062 B72520E0250K062 TDK Electronics Inc. 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2012 Automotive, AEC-Q200 Active 1 (Unlimited) 2 ROHS3 Compliant 1206 (3216 Metric) not_compliant Surface Mount -55°C~150°C TA METAL OXIDE FILM TR, CARDBOARD, 7 INCH 550pF @ 1kHz e3 Matte Tin (Sn) - with Nickel (Ni) barrier YES Non-linear Resistors WRAPAROUND VARISTOR 0.008W DUAL ENDED 25V 31V 1.0J 42.9V 35.1V 39V 25V 200A 31V
B59035A4809Y010 B59035A4809Y010 TDK Electronics Inc. 0.0000
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0.00000000 Obsolete 1 (Unlimited) ROHS3 Compliant
B72220S3231K101 B72220S3231K101 TDK Electronics Inc. 1.3872
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0.00000000 Bulk SuperioR Active 1 (Unlimited) ROHS3 Compliant Disc 20mm Through Hole 1 220J 396V 324V 360V 230V 12kA 300V
B72540V0200K062 B72540V0200K062 TDK Electronics Inc. 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2012 yes Active 1 (Unlimited) 2 ROHS3 Compliant 2220 (5750 Metric) Surface Mount, MLCV -55°C~125°C TA METAL OXIDE FILM TR, BLISTER, 7 INCH 7000pF @ 1kHz e4 Silver/Palladium (Ag/Pd) YES VARISTOR WRAPAROUND 1 VARISTOR 0.02W DUAL ENDED 20V 26V 7.8J 36.3V 29.7V 33V 20V 1.2kA 26V
B57236S0259M051 B57236S0259M051 TDK Electronics Inc. 0.0000
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0.00000000 download 18 Weeks Tape & Reel (TR) 2013 S236 Active 1 (Unlimited) 2 EAR99 0.453 11.50mm ROHS3 Compliant unknown 2.5Ohm 8533.40.80.70 TR e3 TIN NO 170°C -55°C WIRE THROUGH HOLE MOUNT ±20% NTC THERMISTOR 2.1W 25°C RADIAL TEMPERATURE SENSING 2700 K 2.5 Ω
B72547G3200K038 B72547G3200K038 TDK Electronics Inc. 0.0000
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0.00000000 download Radial Tape & Reel (TR) SHCV Active 1 (Unlimited) Through Hole 125°C -55°C 7.8mm ROHS3 Compliant 10A Radial 9mm 4.1mm Through Hole 26V Mixed Technology 20V 1μF 10% 1 General Purpose 1.2kA 58V
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0.00000000 download 18 Weeks Tape & Reel (TR) P11 Active 1 (Unlimited) EAR99 0.512 13.00mm ROHS3 Compliant unknown CQC, UL, VDE e3 Tin (Sn) ±20% NTC THERMISTOR 0.295 7.50mm 47 Ω 2A 615 m Ω
B72232B0131K001 B72232B0131K001 TDK Electronics Inc. 0.0000
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0.00000000 download Bulk 2011 HighE yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Encased Disc Chassis Mount -40°C~85°C TA 8533.40.40.00 11000pF @ 1kHz e3 Tin (Sn) NO BINDING POST 1 VARISTOR RADIAL 210J 225.5V 184.5V 205V 130V 25kA 170V
B72220T2381K101 B72220T2381K101 TDK Electronics Inc. 0.0000
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0.00000000 14 Weeks Bulk AdvanceD Thermofuse yes Not For New Designs Not Applicable 3 EAR99 ROHS3 Compliant Radial, Box - 3 Lead Through Hole -40°C~85°C TA METAL OXIDE FILM 8533.40.40.00 450pF @ 1kHz e3 Tin (Sn) NO Non-linear Resistors WIRE Thermally Protected 1 VARISTOR 1W 385V 505V 273J 682V 558V 620V 385V 10kA 505V
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0.00000000 download 14 Weeks Tape & Reel (TR) 2012 S50 Active 1 (Unlimited) 2 ROHS3 Compliant 2-SMD Surface Mount ±20% 90V 5000A 5kA
B72207S1140K111 B72207S1140K111 TDK Electronics Inc. 0.4716
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0.00000000 download 16 Weeks Tape & Reel (TR) StandarD Active 1 (Unlimited) ROHS3 Compliant Disc 7mm Through Hole -40°C~105°C TA 2300pF @ 1kHz 1 0.90J 24.2V 19.8V 22V 14V 250A 16V
B88069X6000T502 B88069X6000T502 TDK Electronics Inc. 0.0000
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0.00000000 download Tape & Reel (TR) FS03X-1GS Active 1 (Unlimited) 2 ROHS3 Compliant Axial Cylinder Through Hole No 400V
B72547L3140S200 B72547L3140S200 TDK Electronics Inc. 0.0000
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0.00000000 download 14 Weeks Tape & Reel (TR) SHCV yes Active 1 (Unlimited) 2 ROHS3 Compliant Radial Through Hole Mixed Technology BULK e3 Matte Tin (Sn) NO -55°C Non-linear Resistors WIRE 1 VARISTOR 0.03W General Purpose 40V 5800 J
B57213P0250M301 B57213P0250M301 TDK Electronics Inc. 0.0000
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0.00000000 download 18 Weeks Bulk P13 Active 1 (Unlimited) EAR99 0.571 14.50mm ROHS3 Compliant unknown CQC, UL, VDE e3 Tin (Sn) ±20% NTC THERMISTOR 0.295 7.50mm 25 Ω 3A 319 m Ω
B88069X0340T502 B88069X0340T502 TDK Electronics Inc. 0.0000
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0.00000000 download OBSOLETE (Last Updated: 2 months ago) Tape & Reel (TR) 2014 Obsolete 1 (Unlimited) 2 Axial 150°C -40°C 2 8mm 7.9mm ROHS3 Compliant Tin Axial Cylinder Through Hole 1 100MOhm DUAL WIRE NO SURGE PROTECTION CIRCUIT No 800V
B72542V0200K062 B72542V0200K062 TDK Electronics Inc. 0.0000
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0.00000000 9 Weeks Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 125°C -55°C 5mm 5.7mm ROHS3 Compliant 2220 (5750 Metric) No SVHC Surface Mount, MLCV 26V 26V 7nF 26V 5650 2220 1 20V 1.2kA 10% 33V 10A 7.8J 54V 36.3V 29.7V 33V 20V 1.2kA 26V
B72220T2231K101 B72220T2231K101 TDK Electronics Inc. 0.0000
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0.00000000 18 Weeks Bulk AdvanceD Thermofuse yes Not For New Designs Not Applicable 3 EAR99 ROHS3 Compliant Radial, Box - 3 Lead Through Hole -40°C~85°C TA METAL OXIDE FILM 8533.40.40.00 760pF @ 1kHz e3 Tin (Sn) NO Non-linear Resistors WIRE Thermally Protected 1 VARISTOR 1W 230V 300V 180J 396V 324V 360V 230V 10kA 300V
B72220Q0461K101 B72220Q0461K101 TDK Electronics Inc. 0.0000
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0.00000000 download 14 Weeks Bulk 2011 Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Disc 20mm unknown Through Hole -45°C~105°C TA 8533.40.40.00 650pF @ 1kHz e3 TIN NO WIRE 1 VARISTOR RADIAL 460V 380J 825V 675V 750V 460V 15kA 615V
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