KA7809AETU
- Mfr.Part #
- KA7809AETU
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- TO-220-3
- Datasheet
- Download
- Description
- IC REG LINEAR FIXED POS STD REG
- Stock
- 11,290
- In Stock :
- 11,290
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- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Number of Functions :
- 1
- Voltage - Input (Max) :
- 35V
- Width :
- 4.7mm
- PSRR :
- 58dB (120Hz)
- Height :
- 15.38mm
- Terminal Finish :
- Tin (Sn)
- RoHS Status :
- RoHS Compliant
- Terminal Position :
- Single
- Mount :
- Through Hole
- Output Configuration :
- Positive
- Packing Method :
- Rail
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Published :
- 2013
- Output Voltage :
- 9V
- Number of Terminations :
- 3
- JESD-609 Code :
- e3
- Length :
- 10.1mm
- Lead Free :
- Lead Free
- Packaging :
- Tube
- Base Part Number :
- KA7809
- Output Voltage 1 :
- 9V
- Min Output Voltage :
- 9V
- Output Type :
- FIXED
- Qualification Status :
- Not Qualified
- Accuracy :
- 2 %
- Min Input Voltage :
- 11.2V
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Voltage Dropout (Max) :
- 2V @ 1A Typ
- Output Voltage Accuracy :
- 2 %
- Operating Temperature :
- 0°C~125°C
- Package / Case :
- TO-220-3
- Number of Regulators :
- 1
- ECCN Code :
- EAR99
- Dropout Voltage1-Nom :
- 2V
- Number of Outputs :
- 1
- Quiescent Current :
- 6mA
- Dropout Voltage :
- 2V
- Terminal Pitch :
- 2.54mm
- Mounting Type :
- Through Hole
- Number of Pins :
- 3
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Weight :
- 1.8g
- Pbfree Code :
- yes
- Max Output Current :
- 1A
- Power Supply Rejection Ratio (PSRR) :
- 62dB
- Protection Features :
- Over Temperature, Short Circuit
- Datasheets
- KA7809AETU

Voltage Regulators - Linear Fairchild Semiconductor KA7809AETU Overview
The KA7809AETU from Fairchild Semiconductor is a robust linear voltage regulator designed to deliver a fixed output with high efficiency and reliability. This component is particularly suited for applications requiring a stable 9V output from a wider input voltage range. With its ability to handle up to 35V of input, the KA7809AETU provides an essential solution for systems demanding a consistent performance despite varying input conditions. The standard regulator ensures minimal voltage fluctuation, making it a reliable choice for sensitive electronics. The integration of thermal shutdown and current limiting features enhances its safety, establishing the Voltage Regulators - Linear Fairchild Semiconductor KA7809AETU as a pivotal component in advanced electronic circuits.
KA7809AETU Features
The KA7809AETU boasts several key features that make it indispensable in high-demand environments. These include a fixed output voltage of 9V, maximum input voltage up to 35V, and an output current of up to 1A. Its superior thermal management capabilities, such as thermal shutdown and current limiting, safeguard the device and connected components from potential damage due to overheating or excessive current draw. Additionally, its TO-220 package allows for efficient heat dissipation and easy integration into a wide range of electronic assemblies.
KA7809AETU Applications
- Consumer Electronics: Used in TVs, audio equipment, and home appliances to ensure stable operation by providing a consistent 9V power supply.
- Industrial Equipment: Employs in automation systems and industrial machinery to maintain reliable and precise voltage regulation, crucial for the smooth operation and longevity of industrial devices.
- Automotive Electronics: Integrates into automotive electronic systems to regulate sensors and small motors ensuring optimal performance in varying voltage conditions.
- Telecommunications: Applied in telecom infrastructures to stabilize voltage supply for communication devices, enhancing reliability and performance in critical network operations.
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