Littelfuse, Inc. Datasheets for Circuit Protection Components

Circuit protection devices are used to protect electronic components from unwanted transients such as current and voltage surges, electrostatic discharge (ESD), lightning, spikes and other signals that can imperil the operation or damage the component.
Circuit Protection Components: Learn more

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Product Name	Notes
0672.100MXEP 0672.125DRT4P 0672.125MXEP 0672.200DRT4P 0672.200MXEP 0672.250DRT4P 0672.250MXEP 0672.300DRT4P 0672.300MXEP 0672.400DRT4P 0672.400MXEP 0672.500DRT4P 0672.500MXE 0672.500MXEP 0672.600DRT4P 0672.600MXEP 0672.750DRT4P 0672.750MXEP 0672.800DRT4P 0672.800MXEP 06723.15DRT4P 06723.15MXE 06723.15MXEP 0673.100DRT4P 0673.100MXEP 0673.125DRT4P 0673.125MXEP 0673.200DRT4P 0673.200MXE 0673.200MXEP 0673.250DRT4P 0673.250MXEP 0673.300DRT4P 0673.300MXEP 0673.400DRT4P 0673.400MXEP 0673.500DRT4P 0673.500MXE 0673.500MXEP 0673.600DRT4P 0673.600MXEP 0673.800DRT4P 0673.800MXEP 0673001.DRT4P 0673001.MXE 0673001.MXEP 0673002.DRT4P 0673002.MXEP 0673003.DRT4P 0673003.MXE 0673003.MXEP 0673004.DRT4P 0673004.MXEP 0673005.DRT4P 0673005.MXEP 0673006.DRT4P 0673006.MXEP 0673007.DRT4P 0673007.MXE 0673007.MXEP 0673008.DRT4P 0673008.MXEP 067301.5DRT4P 067301.5MXEP 067301.6DRT4P 067301.6MXEP 0673010.DRT4P 0673010.MXE 0673010.MXEP 067302.5DRT4P 067302.5MXEP 0674.100DRT4P 0674008.MXE 0675001.MXE 0676.050MXE 0676.100MXEP 0676.315MXE 06761.25MXE 0677.250MXE 0677.315MXE 0677.400MXE 0677.500MXE 0677.630MXEP 0677002.MXE 067702.5DRT4 067706.3MXE 06771.25MXE 06773.15MXE 0688005.MXP 0688006.MXP 0688010.MXP 0688015.MXP 0688030.MAT4P 0688030.MXP 0688040.MAT4P 0695015.L 0695015.PXP 0695015.PXP-DS 0695015.PXPS 0695015.U 0695020.L 0695020.PXP 0695020.PXP-DS 0695020.PXPS 0695020.U 0695025.L 0695025.PXP 0695025.PXP-DS 0695025.PXPS 0695025.U 0695030.L 0695030.PXP 0695030.PXP-DS 0695030.PXPS 0695030.U 0695040.L 0695040.PXP 0695040.PXP-DS 0695040.PXPS 0695040.U 0695050.PXPS 0695060.PXPS 0695900.PXP 0695900.PXPS 06R075BPR 06R075BU 06R120BPR 06R120BU 06R155BPR 06SL370GM 0700156.Z 0700300.Z 0700500.Z 0700520.ZXCL 0700530.Z 07771.25MRET1P 07981002ZXS 07981003ZXS 07985001ZXS 07985002ZXS 07985003ZXS 07985004ZXS 0799C001ZXS 0805L002YR 0805L005/30YR 0805L005/30YR-A 0805L010/24YR 0805L010YR 0805L020/16YR 0805L020/24YR 0805L020YR 0805L035YR 0805L035YR-A 0805L035YRHF 0805L050WR 0805L075WR 0805L075WR-A 0805L100WR 0805L100WR-A 0805L110SLYR 0805L110WR 0805L110WR-A 0805L150/12SLYR 0805L200SLTHYR 0805L260SLTHYR 0805L300SLTHYR 0805L350SLYR 0805L400SLWR 08098400-WBG 08099100-WBX 0812010.ZXST 0812020.ZXST 0813020.XP 0813030.XP 0813030.ZXST 0813040.XP 0813040.ZXST 0813050.XP 0813050.ZXST 0828015.UXTHP 0828015.ZXISOP 0828020.UXTHP 0828020.ZXISOP 0828025.UXTHP 0828025.ZXISOP 0828030.UXTHP 0828030.ZXISOP 08680062H 08680905TXN 08680906TXN 0874.100MRET1P 0874.100MXEP 0874.125MRET1P 0874.125MXEP 0874.200MRET1P 0874.200MXEP 0874.250MRET1P 0874.250MXEP 0874.300MRET1P 0874.300MXEP 0874.400MRET1P 0874.400MXEP 0874.500MRET1P 0874.500MXEP 0874.600MRET1P 0874.600MXEP 0874.750MRET1P 0874.750MXEP 0874.800MRET1P 0874.800MXEP 0874001.MRET1P 0874001.MXEP 0874002.MRET1P 0874002.MXEP 0874004.MRET1P 0874004.MXEP 0874005.MRET1P 0874005.MXEP 0874006.MRET1P 0874006.MXEP 0874007.MRET1P 0874007.MXEP 0874008.MRET1P 0874008.MXEP 087401.5MRET1P 087401.5MXEP 087401.6MRET1P 087401.6MXEP 0874010.MRET1P 0874010.MXEP 087402.5MRET1P 087402.5MXEP 087404.5MRET1P 087404.5MXEP 087406.3MRET1P 087406.3MXEP 087406.5MRET1P 087406.5MXEP 08743.15MRET1P 08743.15MXEP 0875.100MRET1P 0875.125MRET1P 0875.200MRET1P 0875.250MRET1P 0875.300MRET1P 0875.400MRET1P 0875.500MRET1P 0875.600MRET1P 0875.800MRET1P 0875001.MRET1P 0875002.MRET1P 0875003.MRET1P 0875004.MRET1P 0875005.MRET1P 0875006.MRET1P 0875006.MXEP 0875007.MRET1P 0875007.MXEP 0875008.MRET1P 0875008.MXEP 087501.5MRET1P 087501.6MRET1P 0875010.MRET1P 0875010.MXEP 087502.5MRET1P 087502.5MXEP 0876.125MRET1P 0876.125MXEP 0876.160MRET1P 0876.160MXEP 0876.250MRET1P 0876.250MXEP 0876.630MRET1P 0876.630MXEP 0876002.MRET1P 0876002.MXEP 0876002.MXESZP 0876004.MRET1P 0876004.MXEP 0876005.MRET1P 0876005.MXEP 087601.6MRET1P 087601.6MXEP 0877002.MRET1P 0877002.MRT1SSEP 0877002.MXSSLPF38P 0877004.MRET1P 087706.3MRET1P 08773.15MRET1P 0881060.UR 0881070.UR 0881080.UR 0881090.UR 0881100.UR 0891002.H 0891002.NXS 0891002.U 0891005.H 0891005.NXS 0891005.NXWS 0891005.U 0891010.H 0891010.NXS 0891010.NXWS 0891010.U 0891015.H 0891015.NXS 0891015.NXWS 0891015.U 0891020.H 0891020.NXWS 0891020.U 0891025.H 0891025.NXS 0891025.NXWS 0891025.U 0891030.H 0891030.NXWS 0891030.U 089107.5H 089107.5NXS 089107.5NXWS 089107.5U 0891900.NXWS 0895020.T 0895020.Z 0895025.T 0895025.U 0895025.Z 0895030.T 0895030.U 0895030.Z 0895040.T 0895040.U 0895040.Z 0895050.T 0895050.U 0895050.Z 0895060.T 0895060.U 0895060.Z 0895900.Z 09010002H 09010134H 09030012H 09030097H 09030116H 09050023H 09050041H 09130075Z 09130077Z 09130090Z 09130091Z 09130092Z 09130094Z 09130500LXN 09130502LXN 09130504LXN 09130505LXN 09130506LXN 09130508LXN 09130509LXN 09130510LXN 09130512LXN 09130513LXN 09130514LXN 09130515LXN 09130515XBP 09130516LXN 09130517LXN 09130521LXN 09130522LXN 09130528LXN 09130529LXN 09130530LXN 09130533LXN 09130535LXN 09130536LXN 09130539LXN 09130540LXN 09130541LXN 09130542LXN 09130550LXN 09130550Z 09130562LXN 09130604HXN 09130605HXN 09130636LXN 09130639LXN 09130642LXN 09130654Z 09130657LXN 09130678LXN 09130678M 09130679LXN 09130711LXN 09130727TXN 09230025LXRED 09230025LXREDM8 0977.500MXEP 0977.500MXP 0977.800MXEP 0977.800MXP 0977002.MXEP 0977002.MXF3P 0977002.MXP 0977004.MXEP 0977005.MXEP 0977005.MXP 0977008.MXEP 0977008.MXP 0977010.MXEP 0977010.MXP 0977012.MXEP 0977012.MXP 0977016.MXEP 0977016.MXP 097706.3MXEP 097706.3MXP 09773.15MXEP 09773.15MXP 0997030.WXN 0998060.UX-1M6 0998060.UX-1M8 0998060.UX-2M6 0998060.UX-NH 0998080.UX-1M6 0998080.UX-1M8 0998080.UX-2M6 0998080.UX-NH 0998100.UX-1M6 0998100.UX-1M8 0998100.UX-2M6 0998100.UX-2M8 0998100.UX-NH 0998125.UX-1M6 0998125.UX-1M8 0998125.UX-2M6 0998125.UX-2M8 0998125.UX-NH 0998150.UX-1M6 0998150.UX-1M8 0998150.UX-2M6 0998150.UX-2M8 0998150.UX-NH 0998175.UX-1M6 0998175.UX-1M8 0998175.UX-2M6 0998175.UX-2M8 0998175.UX-NH 0998200.UX-1M6 0998200.UX-1M8 0998200.UX-2M6 0998200.UX-2M8 0998200.UX-NH 0998225.UX-1M6 0998225.UX-1M8 0998225.UX-2M6 0998225.UX-2M8 0998225.UX-NH 0998250.U-2M8 0998250.UX-1M6 0998250.UX-1M8 0998250.UX-2M6 0998250.UX-NH 0998300.U-2M8 0998300.UX-1M6 0998300.UX-1M8 0998300.UX-2M6 0998300.UX-2M8 0998300.UX-NH 0998350.UX-1M6 0998350.UX-1M8 0998350.UX-2M6 0998350.UX-2M8 0998350.UX-NH 0998400.UX-1M6 0998400.UX-1M8 0998400.UX-2M6 0998400.UX-2M8 0998400.UX-NH 0998450.UX-1M6 0998450.UX-1M8 0998450.UX-2M6 0998450.UX-2M8 0998450.UX-NH 0998500.UX-1M6 0998500.UX-1M8 0998500.UX-2M6 0998500.UX-2M8 0998500.UX-NH
PolySwitch PPTC for general electronics overcurrent protection -- 0805L075SLYR PolySwitch PPTC for general electronics overcurrent protection -- 0805L150SLYR PolySwitch PPTC for general electronics overcurrent protection -- 0805L175SLYR PolySwitch PPTC for general electronics overcurrent protection -- 0805L260ULTHYR PolySwitch PPTC for general electronics overcurrent protection -- 0805L300SLQR PolySwitch PPTC for general electronics overcurrent protection -- 0805L300SLWR	Littelfuse Low Rho Surface Mount PPTC (Polymer Positive Temperature Coefficient) devices provide overcurrent protection for applications where ultra low internal resistance. ultra low voltage drop and automatic resettable protection are...
PolySwitch® Lead-Free Surface Mount Resettable PPTC -- 0805L002 PolySwitch® Lead-Free Surface Mount Resettable PPTC -- 0805L020/16 PolySwitch® Lead-Free Surface Mount Resettable PPTC -- 0805L020/24	The 0805L Series PTC provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired. RoHS compliant, lead-free, and halogen-free Fast response to...

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