ITV4030 12A Series - Three-Terminal Surface Mount Battery Protectors

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ITV is a three-terminal surface mountable li-ion battery protector designed to guard against the damage caused by both overcurrent and overcharging. A fuse element is embedded to cut off the circuit when overcurrent issue happens. A heater is also directly embedded under the fuse element, it will generate heat to blow the fuse once overvoltage detected by IC or FET.


  • Protection for both overcurrent and overvoltage
  • Low internal resistance
  • UL and TUV certification
  • Surface mount footprint
  • RoHS compliant and Halogen free


 Used as a protector in Li-ion battery pack

  • Two-way radio
  • Vacuum cleaner
  • Power tools
  • eCall

Access specifications, certifications, check availability and order parts below

Catalog #VOP(V)Vmax(Vdc)Ibreak(A)Max Operating Temp (°C)PolySwitch Internal NumberCells in SeriesIrated (A)Rfuse(mΩ)Rheater(Ω)Size Code (mm/in)Packaging
Marking CodeCheck StockSample CapableProduct
ITV4030L04123.0~4.5365065ITV4030L0412NR1121.5~3.50.6~1.54030(1612)Tape & ReelLF0412YesYesProduct SpecificationCheckOrder
ITV4030L08124.0~9.0365065ITV4030L0812NR2121.5~3.52.0~3.24030(1612)Tape & ReelLF0812YesYesProduct SpecificationCheckOrder
ITV4030L12127.4~13.8365065ITV4030L1212NR3121.5~3.55.7~9.94030(1612)Tape & ReelLF1212YesYesProduct SpecificationCheckOrder
ITV4030L141210.5~19.6365065ITV4030L1412NR4121.5~3.511.2~20.04030(1612)Tape & ReelLF1412YesYesProduct SpecificationCheckOrder