Voltage Regulator IC – 7809


In stock


  • Fixed output voltage is 9V
  • Output current is 0.5A
  • Applications: Power Management.

The 7809 IC is a fixed output, three terminal precision positive voltage regulator in 3 pins TO-220 package. This regulator can provide local on-card regulation by eliminating distribution problems associated with single point regulation. The fixed voltage regulator is designed with thermal overload protection that shuts down the circuit when subjected to an excessive power overload condition, internal short circuit protection that limits maximum current the circuit will pass and output transistor safe area compensation that reduces the output short circuit as the voltage across the pass transistor is increased. If adequate heat sinking is provided then this positive voltage regulator can deliver over 0.5A output current.

Technical Specifications

Weight 5 g
Dimensions 10.4 × 4.6 × 9.15 mm
Mounting Style Through Hole
No. of Output 1
Output Type Fixed
Polarity Positive
Input Voltage Range 7V to 35V
Output Voltage(V) 9V
Output Current(A) 500 mA
Operating Temperature Range 0°C to 125°C
Load Regulation 100 mV
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