Circuit Protection Products Selection Guide

2024-09-04

● About this guide
■This guide provides a summary of key circuit protection consideration factors, descriptions of the technologies Littelfuse offers, and product selection tables. It is designed to help you quickly find a protection solution appropriate to your application.

Littelfuse

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20 Series850 Series851 Series860 Series870 Series820 Series820-20 SeriesPTF030PTF035PTF040PTF055PTF0703453 Series342 Series342006 W344 Series348 Series340 Series346877342021FHN26W342024FHN26G2342025FHN20G803-01 Series570 Series2820012820072820022820082800043452800801802821823824824 - 20850851860870820820-203453342344348340803-01570345121 Series810811813814830831834852853862PTF045PTF050345101 Series810 Series811 Series813 Series814 Series862 Series571 Series559 Series560 Series562 Series564 Series576 Series556 Series557 Series281005281007281008281010254 011 - 008254 101254 121254 131254 201 - 208445073520 002520 101520 003520 005520 004646649656647658PTF015PTF065PTF075PTF077PTF078FB55FB58354 Series35406 Series35407 Series35408 Series35409 Series354701 Series356 Series359 SeriesOMN002OMN004OMN006FB65FB66111501111505111506111510111512521000010095190000100951800001009523 Series100 Series111 Series0445000100300210520000152000001009NY61APFC511010011010021010031020641210011210021210031210041020711020761020781020791020801220831220871220881220931220901000581010101020741020710100910006410006510006610006310006210005910006010006110006734512134510157155956056256457655655735435406354073540835409354701356359523445111LVR025K-2LVR040K-2picoASMDCH010F-2RUEF110SRUEF135VAHRF300AHEF100UltraMOV25SUltraMOVXtremeMHP-TACITV9550ITV4030ITV5432120612102920FemtoASMDPicoASMDFemtoSMDAUMOV®CG32.0LCG32.5LCG33.0LLS0502SCD33SLDTP1.5KETP6KETPSMF-4L

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Part#

FusesHoldersBattery Mini-BreakersPolySwitch® PPTC DevicesBattery ProtectorsITVProtection ICsCircuit BreakersVaristorsTVS Diodes ArraysGas Discharge TubesTVS DiodesPulseGuard® ESD SuppressorsSIDACtor ® Protection ThyristorsPLED Bypass ProtectorsSIDACtor® Protection ThyristorsMetal Oxide VaristorsMulti-Layer VaristorMLVTVS Diode ArraysPulseGuard ® ESD SuppressorsSurface Mount FusesAxial Leaded FusesAxial Cartridge FusesRadial Leaded FusesSocket FusesFuse HoldersSurface Mount PPTC DevicesRadial Leaded PPTC DevicesBattery PPTC DevicesThermal Cutoff DevicesTelecom PPTC DevicesAutomotive TVS DiodesEnhanced ESD Discrete TVSUltra-Low Capacitance Discrete TVSEnhanced ESD Diode ArraysUltra-Low Capacitance Diode ArraysBlock ATO FuseBlock Mini FuseClip Mini FuseClip ATO FuseClip Mini-ATO FuseRadial Leaded Line Voltage PPTC DevicesLow Rho Surface Mount PPTC DevicesAutomotive Surface Mount PPTC DevicesITV Three-Terminal FusesSurface Mount Battery ProtectorsBattery ProtectorMini-BreakerMetal Hybrid PPTC DevicesAutomotive VaristorRadial Leaded VaristorsTwo Electrode High Voltage DevicesGDTESD SuppressorsVaristorLow- to Medium-Surge GDTsVery-High-Surge GDTsMedium- to High-Surge GDTsHigh-Voltage GDTsDiode ArraysProtection ICeFuse Protection ICHigh Power TVS DiodeAutomotive TVS DiodeAutomotive Grade TVS DiodeHigh Power SIDACtor® Protection Thyristor

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Port protection on personal computers ]USB ]firewire ]keyboard ]mouse ]serial ports ]Peripherals ]hard drives ]video cards ]hubs ]Cell phones ]Battery packs ]Industrial controls ]Lighting ballast ]Motor controls ]Gaming PCs ]Notebook PCs ]Ultrabooks ]Tablets ]Two-way radios ]Vacuum cleaners ]Power tools ]eCall ]Type-C Adapter ]Networking ]Datacom ]Notebook ]PC Desktop ]TV ]Monitor ]Set Top Box ]Smart Phone ]Industry ]SSD ]HDD ]Enterprise Server ]Programmable Logic Control ]PLC ]Battery System ]Telecom ]Appliance ]Telecom Datacom ]Marine ]Military ]Renewable Energy ]Industrial ]Railway ]Generators ]On/Off Highway ]Medical ]HDTV hardware ]Laptop computers ]desktop computers ]Network hardware ]Computer peripherals ]Digital cameras ]External storage ]Set-top boxes ]Antennas ]printer scanners ]Computer inputs and peripheral devices ]PDA ]PMP ]cell phone ]digital camera ]game controller ports ]Digital video recorders ]hard disk drives ]video editing systems ]scanners ]desktops ]laptop ]Laptop/desktop computers ]telecommunications ]data communications circuits ]high-speed data links ]AC applications ]Computer inputs devices ]Computer peripheral devices ]laptops ]computer ]consumer portable electronics ]LPT printer scanners ]Parallel port printer scanners ]audio ]dataline communication ]USB2.0 ]circuit protection ]battery-powered portable devices ]Power Line Protection ]Hot-swap ]hot-plug protection ]protecting current limiter ]circuit breaker ]Datacenter and Cloud ]Consumer Electronics ]Appliances ]Building Technologies ]Transportation ]Automotive ]Mobile ]Wearables ]EV-Infrastructure ]LED lighting ]automobiles ]automotive power door locks ]automotive mirrors ]automotive lumbar support ]automotive seats ]automotive sunroofs ]automotive windows ]home appliances ]coffee machines ]Li-ion batteries ]personal healthcare devices ]electric toothbrushes ]electric shavers ]handheld power tools ]ultra-books ]smartphones ]small portable electronic devices ]lightning surge protection ]automotive on-board chargers ]telecom equipment ]data communication ]HDMI ports ]audio interfaces ]automotive infotainment ]Battery Management System ]BMS ]USB Type-C Power Delivery protection ]automotive electronics ]

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Selection guide

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Please see the document for details

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DO-214AB;SMD;SOD523;SOD882;DFN0603-2L;SOD323;SOT23-3;SOD723;μDFN-2;0201;DFN2510-10L;SOT23-6;SOT23-3L;SOIC-16;PDIP-16;SOIC-8;PDIP-8;MSOP-10L;DFN;DFN3810-9L;0201WLCSP;DFN1610-2L;uDFN-10L;uDFN-10;SOT23-6L;MSOP-10;SOT143-4;uDFN-6;5FC-uDFN;uDFN-14;SC70-3L;uDFN-6L;QFN;SMTO-218;SMTO-263;SMTAK;P600;SOD-123FL;DO-214AC;DO-221AC;DO-214AA;DO-41;DO-15;DO-201;DO-215AB;SOD−123FL;DO-204AC;TO-220;TO-262M;TO-218;MS-012;SOP-8;MS-013;SOT23-5;TO-92;DO214-AA;DO-214;SOD-123;uDFN-2;uDFN-12;SOT143

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2023/4/21

EC102Nv0421

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