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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 Number of Poles Diameter RoHS Status Current Rating Additional Feature Package / Case Reach Compliance Code Lead Pitch Approval Agency Resistance Mounting Type Operating Temperature Voltage - Rated DC Technology Voltage - Rated AC Capacitance HTS Code Packing Method Number of Functions Capacitance @ Frequency JESD-609 Code Terminal Finish Terminal Position Terminal Form Temperature Grade Surface Mount Operating Temperature (Max) Operating Temperature (Min) Subcategory Terminal Shape Mounting Feature Tolerance Number of Circuits Resistor Type Rated Power Dissipation (P) Rated Temperature Terminal Placement Thermistor Application Lead Spacing Rated (AC) Voltage (URac) Max Surge Current Circuit RMS Voltage-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
B72210S0621K331 B72210S0621K331 TDK Electronics Inc. 0.0000
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0.00000000 download 26 Weeks Through Hole Tape & Reel (TR) 2002 StandarD Active 1 (Unlimited) Radial 85°C -40°C 10mm ROHS3 Compliant 25A Disc 10mm 7.5mm Through Hole -40°C~105°C TA 825V 625V 110pF 110pF @ 1kHz 10% 1 2.5kA 68J 1.65kV 1.1kV 900V 1kV 625V 2.5kA 825V
B88069X2590S102 B88069X2590S102 TDK Electronics Inc. 0.0000
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0.00000000 download 10 Weeks Bulk 2015 A71-H45X Active 1 (Unlimited) 2 2 ROHS3 Compliant Axial Cylinder Through Hole 1 e3 Tin (Sn) DUAL WIRE AUTOMOTIVE NO -40°C ±20% SURGE PROTECTION CIRCUIT No 4500V 2500A 2.5kA
B72210S0301K151 B72210S0301K151 TDK Electronics Inc. 0.0000
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0.00000000 download 16 Weeks Tape & Reel (TR) 2011 StandarD Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Disc 10mm unknown Through Hole -40°C~105°C TA 8533.40.40.00 TR 200pF @ 1kHz e3 Tin (Sn) NO WIRE 1 VARISTOR RADIAL 47J 517V 423V 470V 300V 2.5kA 385V
B72214S0750K101 B72214S0750K101 TDK Electronics Inc. 0.0000
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0.00000000 download 16 Weeks Bulk 2011 StandarD yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant FLAME PROOF Disc 14mm Through Hole -40°C~105°C TA METAL OXIDE FILM 8533.40.40.00 1370pF @ 1kHz e3 Tin (Sn) NO VARISTOR WIRE 1 VARISTOR 0.6W RADIAL 75V 20J 132V 108V 120V 75V 4.5kA 100V
B72207S0131K261 B72207S0131K261 TDK Electronics Inc. 0.0000
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0.00000000 16 Weeks Tape & Box (TB) StandarD Active ROHS3 Compliant Disc 7mm Through Hole -40°C~105°C TA 245pF @ 1kHz 1 9.5J 225.5V 184.5V 205V 130V 1.2kA 170V
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
B72210S0251K101 B72210S0251K101 TDK Electronics Inc. 0.0000
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0.00000000 download 16 Weeks Bulk 2011 StandarD yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant FLAME PROOF Disc 10mm Through Hole -40°C~105°C TA METAL OXIDE FILM 8533.40.40.00 245pF @ 1kHz e3 Tin (Sn) NO VARISTOR WIRE 1 VARISTOR 0.4W RADIAL 250V 320V 38J 429V 351V 390V 250V 2.5kA 320V
B72214Q0131K101 B72214Q0131K101 TDK Electronics Inc. 0.0000
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0.00000000 download 15 Weeks Bulk 2011 EnergetiQ yes Active Not Applicable 2 EAR99 ROHS3 Compliant Radial Through Hole -45°C~105°C TA 8533.40.40.00 1300pF @ 1kHz e3 Tin (Sn) NO WIRE 1 VARISTOR 0.8W 75J 225.5V 184.5V 205V 130V 8kA 170V
B72214S0171K101 B72214S0171K101 TDK Electronics Inc. 0.0000
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0.00000000 download 15 Weeks Bulk StandarD yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant FLAME PROOF Disc 14mm Through Hole -40°C~105°C TA METAL OXIDE FILM 8533.40.40.00 670pF @ 1kHz e3 Tin (Sn) NO VARISTOR WIRE 1 VARISTOR 0.6W RADIAL 225V 46J 297V 243V 270V 175V 4.5kA 225V
B72232B0441K001 B72232B0441K001 TDK Electronics Inc. 0.0000
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0.00000000 download 14 Weeks Bulk HighE yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Encased Disc Chassis Mount -40°C~85°C TA 8533.40.40.00 1250pF @ 1kHz e3 Tin (Sn) NO BINDING POST 1 VARISTOR RADIAL 440V 585V 630J 786.5V 643.5V 715V 440V 25kA 585V
B59201J0140B010 B59201J0140B010 TDK Electronics Inc. 0.0000
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0.00000000 download 16 Weeks Bulk 2006 B5920 yes Active 1 (Unlimited) 2 0.748 19.00mm ROHS3 Compliant 20Ohm e3 Tin (Sn) NO 125°C -40°C WIRE THROUGH HOLE MOUNT ±30% PTC THERMISTOR RADIAL TEMPERATURE SENSING 0.400 10.16mm 440V 20 Ω
B57211P0160M301 B57211P0160M301 TDK Electronics Inc. 0.0000
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0.00000000 download 18 Weeks Bulk P11 Active 1 (Unlimited) 2 EAR99 0.512 13.00mm ROHS3 Compliant unknown 16Ohm 8533.40.80.70 e3 Tin (Sn) NO 170°C -40°C WIRE THROUGH HOLE MOUNT ±20% NTC THERMISTOR 3W 25°C RADIAL TEMPERATURE SENSING 0.295 7.50mm 16 Ω 3A 346 m Ω
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
B57364S2409A2 B57364S2409A2 TDK Electronics Inc. 0.0000
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0.00000000 Bulk S364 Obsolete 1 (Unlimited) 0.827 21.00mm ROHS3 Compliant 7.493mm UL 4Ohm ±20% 0.295 7.50mm 4 Ω 9.5A
B57464S0209M000 B57464S0209M000 TDK Electronics Inc. 0.0000
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0.00000000 download 18 Weeks Bulk 2013 yes Active 1 (Unlimited) 2 EAR99 1.024 26.00mm ROHS3 Compliant 2Ohm 8533.40.80.70 e3 Tin (Sn) NO 170°C -55°C WIRE THROUGH HOLE MOUNT ±20% NTC THERMISTOR 6.7W 25°C RADIAL SOFT START 0.295 7.50mm 2900 K 2 Ω 13.5A
B72210S0171K162 B72210S0171K162 TDK Electronics Inc. 0.0000
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0.00000000 Tape & Box (TB) StandarD Not For New Designs ROHS3 Compliant Disc 10mm Through Hole -40°C~105°C TA 380pF @ 1kHz 1 28J 297V 243V 270V 175V 2.5kA 225V
B72520V0500K072 B72520V0500K072 TDK Electronics Inc. 0.0000
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0.00000000 Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 1206 (3216 Metric) Surface Mount, MLCV -55°C~125°C TA 1
B72207S0250K101 B72207S0250K101 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 7mm Through Hole -40°C~105°C TA METAL OXIDE FILM 8533.40.40.00 120pF @ 1kHz e3 Tin (Sn) NO VARISTOR WIRE 1 VARISTOR 0.02W RADIAL 25V 1.6J 42.9V 35.1V 39V 25V 250A 31V
B72214S0271K101 B72214S0271K101 TDK Electronics Inc. 0.0000
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0.00000000 download 15 Weeks Bulk StandarD yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant FLAME PROOF Disc 14mm Through Hole -40°C~105°C TA METAL OXIDE FILM 8533.40.40.00 440pF @ 1kHz e3 Tin (Sn) NO VARISTOR WIRE 1 VARISTOR 0.6W RADIAL 275V 350V 71J 473V 387V 430V 275V 4.5kA 350V
B72205S0461K101 B72205S0461K101 TDK Electronics Inc. 0.0000
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0.00000000 download 15 Weeks Bulk StandarD yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant FLAME PROOF Disc 5mm Through Hole -40°C~105°C TA METAL OXIDE FILM 8533.40.40.00 35pF @ 1kHz e3 Tin (Sn) NO VARISTOR WIRE 1 VARISTOR RADIAL 460V 18J 825V 675V 750V 460V 400A 615V
B72210S0461K331 B72210S0461K331 TDK Electronics Inc. 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) 2011 StandarD Active 1 (Unlimited) ROHS3 Compliant Disc 10mm Through Hole -40°C~105°C TA 150pF @ 1kHz 1 50J 825V 675V 750V 460V 2.5kA 615V
B72580V0400K062 B72580V0400K062 TDK Electronics Inc. 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) 2012 yes Not For New Designs 1 (Unlimited) 2 EAR99 ROHS3 Compliant 1812 (4532 Metric) Surface Mount, MLCV 8533.40.40.00 TR e4 Silver/Palladium (Ag/Pd) YES -55°C Non-linear Resistors WRAPAROUND 1 VARISTOR DUAL 40V 56V 4.8J 74.8V 61.2V 68V 40V 500A 56V
B57211P0250M351 B57211P0250M351 TDK Electronics Inc. 0.0000
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0.00000000 download 18 Weeks Tape & Reel (TR) P11 Active 1 (Unlimited) 2 0.512 13.00mm ROHS3 Compliant unknown 25Ohm TR e3 Tin (Sn) NO 170°C -40°C WIRE THROUGH HOLE MOUNT ±20% NTC THERMISTOR 3W 25°C RADIAL TEMPERATURE SENSING 0.295 7.50mm 25 Ω 2.5A 487 m Ω
B57211P0509M351 B57211P0509M351 TDK Electronics Inc. 0.0000
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0.00000000 download 18 Weeks Tape & Reel (TR) P11 Active 1 (Unlimited) 2 EAR99 0.512 13.00mm ROHS3 Compliant unknown 5Ohm 8533.40.80.70 TR e3 Tin (Sn) NO 170°C -40°C WIRE THROUGH HOLE MOUNT ±20% NTC THERMISTOR 3W 25°C RADIAL TEMPERATURE SENSING 0.295 7.50mm 5 Ω 5A 130 m Ω
B57237S0220M000 B57237S0220M000 TDK Electronics Inc. 0.0000
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0.00000000 download 18 Weeks Bulk 2011 S237 yes Active 1 (Unlimited) 2 0.591 15.00mm ROHS3 Compliant UL 22Ohm 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 3060 K 22 Ω 2.8A
B57236S229M B57236S229M TDK Electronics Inc. 0.0000
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0.00000000 download 22 Weeks Bulk 2013 S236 Active 1 (Unlimited) 0.453 11.50mm ROHS3 Compliant ±20% 2.2 Ohms
B57237S0100M000 B57237S0100M000 TDK Electronics Inc. 0.0000
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0.00000000 download 18 Weeks Bulk 2011 S237 yes Active 1 (Unlimited) 2 EAR99 0.591 15.00mm ROHS3 Compliant UL 10Ohm 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 3060 K 10 Ω 3.7A
B72280B0231K001 B72280B0231K001 TDK Electronics Inc. 0.0000
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0.00000000 download 15 Weeks Bulk 2011 HighE yes Active 1 (Unlimited) 2 EAR99 ROHS3 Compliant Encased Disc Chassis Mount -40°C~85°C TA 8533.40.40.00 16000pF @ 1kHz e3 Tin (Sn) NO BINDING POST 1 VARISTOR 2W RADIAL 230V 300V 1200J 396V 324V 360V 230V 100kA 300V
B72207S0110K111 B72207S0110K111 TDK Electronics Inc. 0.0000
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0.00000000 download 16 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 2750pF @ 1kHz NO WIRE 1 VARISTOR RADIAL 0.80J 19.8V 16.2V 18V 11V 250A 14V
B72530V0350K072 B72530V0350K072 TDK Electronics Inc. 0.0000
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0.00000000 Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 1210 (3225 Metric) Surface Mount, MLCV -55°C~125°C TA 1
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