Circuit Protection

Protection circuits and fuses are recognized as the front line and defensive shield of electronic boards against sudden hazards on power and signal lines. These components are responsible for protecting expensive circuit parts (such as microcontrollers and ICs) from overcurrent, severe voltage fluctuations, lightning strikes, electrostatic discharge (ESD), and thermal shocks. Utilizing standard protection devices guarantees the lifespan and stability of your electronic equipment in harsh industrial environments.
In this section, we have gathered the most comprehensive archive of safety and circuit protection components for you:
  • Overcurrent Protection: Including a wide variety of fuses (glass, ceramic, automotive, and PTC resettable fuses) along with various fuse holders (on-board and panel-mount) for easy replacement.
  • Overvoltage & Shock Suppressors: Featuring various varistors (MOVs) for absorbing AC/DC voltage spikes, ultra-fast TVS and ESD diodes for neutralizing static electricity on data lines, and transient voltage suppressor (TVS) chips in integrated industrial packages.
  • Telecom & Power Line Protection: A selection of Gas Discharge Tube (GDT) surge arresters with extremely high current handling capabilities to discharge lightning shocks in telephone lines, radio equipment, and sensitive power inputs.
  • Thermal Management & Specialized Switching: Various thermistors (NTC and PTC) for controlling initial inrush current and monitoring circuit temperature, alongside the thyristor family for high-power protective switching and phase control.
All components in this category are supplied with precise technical specifications (breaking current, clamping voltage, and rated power), original manufacturer part numbers from globally reputable brands, and options for individual or bulk purchasing.

 
  • CM2020-00TR

    00904013

    IC HDMI PORT PROTECTION 38TSSOP

     
    Call for pricing
  • SE264

    00908004

    fuse holder-Mini fuse clip PCB

     
    Call for pricing
  • BTA12-600CWRG

    00903001

    12 A Snubberless, logic level and standard Triacs , Medium current Triac

     
    Call for pricing
  • BTW58-1500R

    00903002

    FAST GATE TURN-OFF THYRISTORS ; 1500V ; 6.5A

     
    Call for pricing
  • MCR100-6-X-AE3-R

    00903003

    THYRISTOR SCR 600V 0.8A SENSITIVE GATE SILICON CONTROLLED RECTIFIERS REVERSE BLOCKING THYRISTORS

     
    Call for pricing
  • TISP4180F3D

    00903004

    Thyristor Surge Protection Devices - TSPD SMD 5A 3V

     
    Call for pricing
  • JEF-705A 12#

    00908002

    Inline Fuse Holder Bakelite Housing Screw Type with wire sizes or lengths available on special order Range of wire gauge #12

     
    Call for pricing
  • HPD 0051712740920

    00908001

    Fuse Holder BUSS FUSEHOLDER ROHS COMPLIANT

     
    Call for pricing
  • CQ_206CH

    00908005

    Fuse holder for 5×20 mm glass fuse

     
    $1.90
  • P4SMA12CA(Original)

    00904011

    ESD Suppressors / TVS Diodes 10.2V 400W 5% Bi-directional

     
    Call for pricing
  • P4SMA36A(Original)

    00904007

    ESD Suppressors / TVS Diodes 30.8V 400W 5% Uni-directional

     
    Call for pricing
  • PESD3V3L4UG,115

    00904009

    ESD Protection Device, TVS, 30W, SOT-353, 5 Pins, 3.3 V

     
    Call for pricing
  • SMAJ48A

    00904014

    ESD Suppressors / TVS Diodes 400W,48V,5%, SMA TVS, Uni-Directional

     
    Call for pricing
  • SMBJ15A

    00904003

    TVS Diodes 600W 15V 5% Uni-Directional

     
    Call for pricing
  • SMDJ36CA

    00904004

    TVS Diodes 3kW 36V 5% Bi-Directional

     
    Call for pricing
  • VCAN36A2-03GHE3-08

    00904012

    Esd Diode, Aec-Q101, 36V, 150W, Sot323-3 Vishay VCAN36A2-03GHE3-08

     
    Call for pricing
  • 12.000.5

    00906019

    Surface Mount Fuses 5A 72V Fast Acting 1206

     
    Call for pricing
  • F0.5AL250V

    00906001

    Cartridge Fuses SMALL DIM. FUSE 0.5A 250V

     
    Call for pricing
  • F1AL250V

    00906007

    Cartridge Fuses SMALL DIM. FUSE 1A 250V

     
    Call for pricing
  • F10AL250V

    00906009

    Cartridge Fuses SMALL DIM. FUSE 10A 250V

     
    Call for pricing
  • F2AL250V

    00906004

    Cartridge Fuses SMALL DIM. FUSE 2A 250V

     
    Call for pricing
  • F3AL250V

    00906006

    Cartridge Fuses SMALL DIM. FUSE 3A 250V

     
    Call for pricing
  • F3.5AL250V

    00906002

    Cartridge Fuses SMALL DIM. FUSE 3.5A 250V

     
    Call for pricing
  • F4AL250V

    00906005

    Cartridge Fuses SMALL DIM. FUSE 4A 250V

     
    Call for pricing