LM7812 7812 IC 12V Voltage Regulator IC

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The L78 series of three-terminal positive regulators is available in TO-220, These regulators can provide local on-card regulation, eliminating the distribution problems associated with single-point regulation. Each type embeds internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1 A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltage and currents.


  • LM7812 is a positive voltage regulator that outputs +12 volts
  • The LM7812 is a three-pin IC
  • Output Current up to 1.5A
  • Thermal Overload Protection 
  • Short Circuit Protection
  • Available in TO-220 package
  • Thermal Resistance Junction-Cases (TO-220): °C/W
  • Thermal Resistance Junction-Air (TO-220): °C/W
  • Operating Temperature Range: -40° - 125° C

Block Diagram 




Product Type Linear Voltage Regulator
Number of Outputs 1
Input Voltage Range 14V to 30V
Maximum Output Current 1.5A
Operating Temperature 0°C to 125°C
Package TO-220
Output Voltage 12V
Country of Origin China

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