EPCOS Circuit Protection

A Global Leader in Circuit Protection

Go with a leader in circuit protection devices with EPCOS brand components from TDK Corporation. EPCOS offers one of the broadest product lines in the industry delivering high energy transient protection, ESD protection and thermal management. Circuit protection devices include metal oxide varistors (MOV), multilayer varistors (MLV), inrush current limiters (ICL), surge arrestors, PTC thermistors and NTC thermistors. View Solutions for Circuit Protection Application Guide.

For all your circuit protection needs, trust TDK.

 

Metal Oxide Varistors (MOV)

Features

  • High energy types with increased surge current and energy absorption
  • Multiple pulse performance with stable clamping voltage
  • Voltage ratings from 11 VRMS to 1100 V RMS
  • Current ratings up to 100k A
  • Energy ratings up to 6k J

Applications

  • Power Supply
  • Drives
  • Inverters
  • Large Appliance
  • Compressor
  • Metering
  • LED Lighting
  • UPS
  • Photovoltaic
  • Base Station
  • Automotive: Engine Control, HVAC, Small Motors
  • Renewable Energy
  • Telecom Line – Line/Line – Ground Protection

MultiLayer Varistor (MLV)

Features

  • Bi-directional protection
  • High energy/current handling capability
  • ESD per IEC 61000-4-2 level 4
  • Sub 1ns response time
  • RoHS compliant
  • No derating up to 125°C standard series
  • High Speed, Controlled Capacitance, Radio Frequency, Telecom, Ceratoid and Automotive Series also available.

Applications

  • Telecom
    • Mobile phone,(Audio lines, Display, Camera, Antenna, Data line, Pushbutton, etc.)
    • Base station
    • DECT
  • Industrial
    • Electro motor, Drives, Computers, Controllers
  • Automotive
    • Safety, Infotainment, Comfort & Convenience, Coding Control
  • Consumer
    • TV, DVD/Blu-ray, Set-top box, Notebook, Printer, MP3 player, Tuner, Interfaces such as Audio, Video, USB, Ethernet, HDMI, SATA, Push Button

Inrush Current Limiters (ICL)

Features

  • Rated resistance (25°C) 1 to 80 Ω
  • Max. permissible current 1.3 to 20.0 A
  • No current derating between 0 - 65°C
  • UL approval (E69802)
  • Various lead-forms available
    • Straight (Catalog Standard)
    • Inside kink
    • Outside kink

Applications

  • Switched Mode Power Supplies (SMPS)
  • Soft Starting of Electric Motors
  • Fluorescent Lighting Ballasts
  • Transformers
  • Set-Top Box
  • DC Bus Capacitor Charging Banks
  • Control Boards for White Goods
  • Inverter – Motor Drives
  • Consumer Electronics

Surge Arrestors

Features

  • Reliable voltage limitation
  • High current discharge capability
  • Low self-capacitance
  • High insulation resistance (GOhm)

Applications

  • LED Lighting – outdoor applications
  • Phone line protection
  • WiMax
  • Cable modems
  • Set-top boxes
  • Central office equipment
  • Subscriber / Station protection
  • Outside plant
  • Coax
  • CATV applications
  • Switching applications - HID, igniters
  • Security and alarm
  • Cellular base stations
  • Remote gate openers
  • Power supplies
  • Ballasts
  • TVSS modules

PTC Thermistors

Features

  • Case sizes EIA 0402 ... 1206
  • Excellent lifetime performance and aging stability up to 150°C operating temperature
  • AEC-Q200 qualification
  • Broad portfolio of R- and B-values
  • High accuracy temperature sensing and thermal compensation

Applications

  • LED Lighting
  • Transformers
  • Power Supplies
  • Fans
  • Multimeters
  • DC-DC Converter
  • Heating
  • Compressors
  • Telecom

NTC Thermistors

Features

  • Case sizes EIA 0402 ... 1206
  • Excellent lifetime performance and aging stability up to 150 °C operating temperature
  • AEC-Q200 qualification
  • Broad portfolio of R- and B-values
  • High accuracy temperature sensing and thermal compensation

Applications

  • LED Lighting
  • Rechargeable batteries
  • Hard disk drives (e.g. in DVD recorders, laptops)
  • RF modules and TCXO
  • Power amplifiers
  • Fan micro controller
  • Automotive:
    • Tire pressure monitor
    • Motor management
    • Airbag
    • LED lighting
    • Gear box control temperature control for the battery pack inconventional
    • Hybrid electric and full-electric vehicles
    • Sensor system
    • Display

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