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Circuits shown here can experience overload, short circuit conditions, or voltage transients (lightning, ESD, etc.) and may require protection components to ensure reliable operation. Click on the green links to find Littelfuse circuit protection solutions.

Solutions By Circuit

AC Mains

  • Leaded

  • LA

    Line Voltage Operation Radial Leaded Varistor

Antenna

  • PGB1010603

    Lead-Free 0603 Surface Mount Polymeric ESD Suppressors

  • PGB2010402

    Lead-Free 0402 Surface Mount Polymeric ESD Suppressors

Battery Pack

  • 0805L

    PolySwitch® Lead-Free Surface Mount Resettable PPTC

  • 1210L

    PolySwitch® Lead-Free Surface Mount Resettable PPTC

  • 1812L

    PolySwitch® Lead-Free Surface Mount Resettable PPTC

  • 2016L

    PolySwitch® Lead-Free Surface Mount Resettable PPTC

  • 2920L

    PolySwitch® Lead-Free Surface Mount Resettable PPTC

  • LRD

    LRD Series - Strap Type Polymer PTC 15V / 20V

  • LTD

    LTD Series - Strap Type Polymer PTC 15V / 24V

  • STD

    STD Series - Strap Type Polymer PTC 15V / 24V

  • VLD

    VLD Series - Strap Type Polymer PTC 12 V

  • VTD

    VTD Series - Strap Type Polymer PTC 16V

  • Thin Film Chip Fuses

  • SP0503BAHT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0503BAHTG

    30pF, 30kV, Unidirectional TVS Array for ESD Protection

Circuit Protection of Audio Lines

  • SP1002

    5pF, 8kV, Bidirectional TVS Array for ESD Protection

  • SP1005

    30pF 30kV Bidirectional Discrete TVS - Qualified to AEC-Q101

Circuit Protection of LCD and Camera Module

  • SP6002

    15pF, 30kV, EMI Filter Array with ESD Protection

  • SP6001

    12pF, 30kV, EMI Filter Array with ESD Protection

Circuit Protection of SIM Socket

  • SP1011

    7pF, 15kV, Unidirectional TVS Array for ESD Protection

  • SP3002

    0.85pF, 12kV, Low Capacitance Diode Array for ESD Protection

  • SP0503BAHT

    Surface Mount TVS Avalanche Diode Arrays

ESD Protection of Display Panel

  • SP1001-04JTG

    8pF, 15kV, Unidirectional TVS Array for ESD Protection - Qualified to AEC-Q101

  • SP1001-04XTG

    8pF, 15kV, Unidirectional TVS Array for ESD Protection - Qualified to AEC-Q101

  • SP1003

    30pF, 30kV, 0402 Unidirectional TVS Diode for ESD Protection - Qualified to AEC-Q101

Headset Port

  • SP0503BAHT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0503BAHTG

    30pF, 30kV, Unidirectional TVS Array for ESD Protection

Keypad / Buttons

  • SP0504BACT

    TVS Avalanche Diode Array in a Unipolar Chip Scale Package

  • SP0504BAHT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0504BAHTG

    30pF, 30kV, Unidirectional TVS Array for ESD Protection

  • SP0504BAJT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0504BAJTG

    30pF, 30kV, Unidirectional TVS Array for ESD Protection

Microphone

  • SP0502BAHT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0502BAJT

    Surface Mount TVS Avalanche Diode Arrays

  • V9MLA0402

    Multilayer Transient Voltage Suppressor

MMC interface

  • V9MLA0402

    Multilayer Transient Voltage Suppressor

  • SP0502BAHT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0502BAJT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0503BAHT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0504BACT

    TVS Avalanche Diode Array in a Unipolar Chip Scale Package

  • SP0504BAHT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0504BAJT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0505BAHT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0505BAJT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0506BAAT

    Surface Mount TVS Avalanche Diode Arrays

  • SP0508BACT

    TVS Avalanche Diode Array in a Unipolar Chip Scale Package

  • PGB1010402

    Lead-Free 0402 Surface Mount Polymeric ESD Suppressors

Speaker

Touch Screen Controller

USB 2.0

  • V5.5MLA0603

    Multilayer Transient Voltage Suppressor

  • PGB1010603

    Lead-Free 0603 Surface Mount Polymeric ESD Suppressors

  • PGB102ST23

    Lead-Free SOT23 Surface Mount Polymeric ESD Suppressors

  • SP3003

    0.65pF, 8kV, Low Capacitance Diode Array for ESD Protection - Qualified to AEC-Q101

  • PGB1010402

    Lead-Free 0402 Surface Mount Polymeric ESD Suppressors

USB 3.0

  • SP3003

    0.65pF, 8kV, Low Capacitance Diode Array for ESD Protection - Qualified to AEC-Q101

  • SP3010

    Ultra-Low Capacitance Diode Array for ESD Protection

  • SP3012

    Low Capacitance ESD Protection, 0.5pF Rail Clamp Array - Qualified to AEC-Q101

  • SP3011

    Littelfuse SP3011 SPA™ TVS Diode Array