KA7809AETU

$0.24

Description：IC REG LINEAR 9V 1A TO220-3
Series：-
Mfr：Fairchild Semiconductor
Package：Bulk

SKU:a4ebf14c7b9f Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: Fairchild Semiconductor

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

KA7809AETU is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is IC REG LINEAR 9V 1A TO220-3. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for KA7809AETU

Description：IC REG LINEAR 9V 1A TO220-3
Series：-
Mfr：Fairchild Semiconductor
Package：Bulk
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：35V
Voltage - Output (Min/Fixed)：9V
Voltage - Output (Max)：-
Voltage Dropout (Max)：2V @ 1A (Typ)
Current - Output：1A
Current - Quiescent (Iq)：6 mA
Current - Supply (Max)：-
PSRR：58dB (120Hz)
Control Features：-
Protection Features：Over Temperature, Short Circuit
Operating Temperature：0°C ~ 125°C
Mounting Type：Through Hole
Package / Case：TO-220-3
Supplier Device Package：TO-220-3
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for KA7809AETU

KA7809AETU

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The KA7809AETU is a three-terminal positive linear voltage regulator manufactured by Fairchild Semiconductor, now part of onsemi. It provides a fixed 9V output with a maximum current capacity of 1A. The device features internal thermal overload protection and short-circuit current limiting for robust operation. It operates within an input voltage range up to 35V and maintains performance across a junction temperature range of 0°C to +125°C. Packaged in TO-220-3, it offers reliable regulation for standard power supply applications.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

Fixed 9V output voltage with 1A continuous current capability
Integrated thermal overload and short-circuit protection mechanisms
Designed for through-hole mounting in TO-220-3 packages

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

General-purpose DC power supply circuits
Embedded system voltage regulation
Industrial control equipment power stages

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify component authenticity due to historical manufacturing transitions between Fairchild Semiconductor and onsemi. Confirm package marking consistency with original Fairchild specifications. Check for updated ordering suffixes required by the integrated manufacturer's systems. Ensure replacement parts match electrical tolerances and thermal characteristics precisely.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this regulator for applications requiring stable 9V DC power at currents up to 1A. Consider thermal management requirements given the linear topology and potential heat dissipation. Evaluate input voltage headroom to ensure regulation stability under varying load conditions. Verify compatibility with existing PCB footprints designed for TO-220-3 packages.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This component belongs to the KA78XX series of three-terminal positive regulators. The series includes various fixed output voltages such as 5V, 12V, and 15V. These devices are widely used in electronic designs requiring simple, reliable voltage regulation without external feedback networks.