Littelfuse solutions for general port protection

Reliable protection for ports of all shapes and sizes

Protect your ports – featuring the latest innovative solutions from Littelfuse. Learn how these solutions address the following industries:

  • Automotive
  • Building Automation
  • Consumer Electronics
  • Data Center & Cloud
  • Industrial
  • Mobile & Wearables

Midi Audio

  • PulseGuard Series - PULSE-GUARD® ESD Suppressors help protect sensitive electronic equipment against electrostatic discharge (ESD)
  • MLA Series - Standard low capacitance; leadless 0402, 0603, 0805, 1206, and 1210 chip sizes
  • SP1002 Series - Absorbs repetitive ESD strikes at the max level without system performance degradation; compact design

S-Video

  • PulseGuard Series - PULSE-GUARD® ESD Suppressors help protect sensitive electronic equipment against electrostatic discharge (ESD)
  • MLA Series - Standard low capacitance; leadless 0402, 0603, 0805, 1206, and 1210 chip sizes
  • SP1002 Series - Absorbs repetitive ESD strikes at the max level without system performance degradation; compact design

RS-232

  • SM15-02HTG Series - The SM series can absorb repetitive ESD strikes above the maximum level specified in IEC 61000-4-2 international standard without performance degradation and safely dissipate up to 24A of 8/20μs induced surge current (IEC-61000-4-5) with very low clamping voltages.
  • SD15C-10FTG Series - The SD-C series can safely absorb repetitive ESD strikes at ±30kV (contact discharge, IEC 61000-4-2) without performance degradation and safely dissipate 30A (SD05C) of 8/20μs induced surge current (IEC 61000-4-5 2nd Edition) with very low clamping voltages.

USB Type A & B

  • Low Rho Series - Provide overcurrent protection for applications where ultra low internal resistance, ultra low voltage drop, and automatic resettable protection are desired
  • SP3019-04HTG Series - Safely absorb repetitive ESD strikes above the maximum contact level specified in the IEC 61000-4-2 international standard (±8kV contact discharge) without performance degradation
  • PulseGuard Series - PULSE-GUARD® ESD Suppressors help protect sensitive electronic equipment against electrostatic discharge (ESD)
  • SP1006-01UTG Series - These robust diodes can safely absorb repetitive ESD strikes at ±30kV (contact discharge, IEC 61000-4-2) without performance degradation. Additionally, each diode can safely dissipate 5A of 8/20µs surge current (IEC61000-4-5) with very low clamping voltages.
  • LCFA Series - Common Mode Noise Filters (CMF) are ideal for suppressing unwanted common mode noise with frequencies ranging from hundred megahertz to gigahertz with no adverse effect on the signals (differential cut-off frequency).
  • LCFE Series - Common Mode Filters with ESD Protection

USB Type C

  • setP Series - The Littelfuse setP™ temperature indicator helps protect USB Type-C plugs from overheating. It has been designed to the unique specifications of USB Type-C and is capable of helping to protect even the highest levels of USB Power Delivery
  • SP3530-01UTG Series - The SP3530 series provides a high level of ESD protection and safely absorbs repetitive ESD strikes above the maximum level specified in the IEC 61000-4-2 international standard (22 kV contact discharge) without performance degradation. The low loading capacitance of the AEC-Q101 qualified SP3530 makes it ideal for protecting ultra-high-speed signal pins, such as V-by-One®, HDMI, USB 3.0, LVDS interface, and IEEE 1394.
  • SMAJ20CA Series - Typical IR less than 1mA above 10V
  • LS0505EVD22 Series - Accuracy and integration provide highly accurate current limiting, faster response time, and more integrated protection, sensing, and control features than traditional fuses and PTCs
  • LS05006VPQ33 Series - CC pin pull-down resistor that helps power up and charge mobile devices with dead batteries. Once the system power is up, the device automatically cuts out the CC pin pull-down resistor, allowing the Type-C controller’s CC pin pull-down resistor to take over without causing confusion for the power source.
  • LCFA Series - Common Mode Noise Filters (CMF) are ideal for suppressing unwanted common mode noise with frequencies ranging from hundred megahertz to gigahertz with no adverse effect on the signals (differential cut-off frequency).
  • LCFE Series - Common Mode Filters with ESD Protection

Ethernet

  • 461xxx Series - Littelfuse 461 Series TeleLink® Surface Mount, Surge Resistant Fuse, offers over-current protection for a wide range of telecom applications without requiring a series resistor
  • P4500SCLRP Series - SIDACtor devices are used to enable equipment to meet various regulatory requirements including GR 1089, ITU K.20, K.21 and K.45, IEC 60950, UL 60950, and TIA/EIA-IS-968 (formerly known as FCC Part 68).
  • SG75 Series - High current handling capability of 1,000 A at 8/20µs. It is ideal for applications where nearby lightning strikes may create damaging fast-rising transients in the 100 V/µs to 1 kV/µs range.
  • SG90 Series - High current handling capability of 1,000 A at 8/20µs. It is ideal for applications where nearby lightning strikes may create damaging fast-rising transients in the 100 V/µs to 1 kV/µs range.
  • SP2555NUTG Series - Packaged in a μDFN package (3.0 mm x 2.0 mm) and each device can protect up to 4 channels or 2 differential pairs, up to 45 A (IEC 61000-4-5 2nd edition,) and up to 30 kV ESD (IEC 61000-4-2)
  • SP2525NUTG Series - TVS diode array is designed to protect against ESD, CDE, and lightning-induced surges for high-speed differential data lines.
  • SP3025-04HTG Series - SP3025 is designed to provide low capacitance and low clamping voltage protection against ESD, CDE, and lightning-induced surges for high-speed data interfaces that are normally found in notebooks and LVDS interfaces, as well as and high-speed 2.5G, 5G, and 10G Ethernet equipment.
  • SMCJ58CA Series - Fast response time: typically less than 1.0ps from 0 Volts to V(BR) min.
  • SMTOAK2 Series - Protect sensitive electronics against surge events and inductive load switching voltage transient events

HDMI

  • PulseGuard - PULSE-GUARD® ESD Suppressors help protect sensitive electronic equipment against electrostatic discharge (ESD)
  • SP1004U-ULC-04UTG - These robust diodes can safely absorb repetitive ESD strikes at the maximum level specified in the IEC 61000-4-2 international standard (Level 4, ±8kV contact discharge) without performance degradation
  • LCFA Series - Common Mode Noise Filters (CMF) are ideal for suppressing unwanted common mode noise with frequencies ranging from hundred megahertz to gigahertz with no adverse effect on the signals (differential cut-off frequency).
  • LCFE Series - Common Mode Filters with ESD Protection