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KA78R08CTU is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG LINEAR 8V 1A TO220F-4L. Review the specifications below when checking this part for your BOM.
The KA78R08CTU is a fixed positive low-dropout voltage regulator manufactured by onsemi. It provides a stable 8 V output with a maximum current capacity of 1 A. The device operates within an input voltage range of 9 V to 25 V and features a maximum dropout voltage of 500 mV at full load. Line regulation is specified at 2.5%, while load regulation is 2%. The unit supports through-hole mounting in a TO-220-4 package, dissipating up to 15 W of power. It functions reliably across a temperature range of -20°C to +80°C.
Verify component authenticity and datasheet alignment before integration. Confirm that the specific manufacturing lot matches the required electrical tolerances for line and load regulation. Ensure thermal management solutions accommodate the 15 W power dissipation rating under worst-case operating conditions. Validate pin compatibility with existing TO-220-4 footprints.
Select this regulator when a fixed 8 V output is required with high current capability. Consider the 500 mV dropout voltage for efficiency optimization in low headroom applications. Evaluate the thermal performance requirements given the 15 W dissipation limit. Verify that the 9 V minimum input voltage aligns with the available supply rails.
This component belongs to the KA78RXXC series of low-dropout voltage regulators designed for various electronic equipments. It shares architectural similarities with other fixed-output variants in the family, differing primarily in the regulated output voltage level. The series utilizes a robust TO-220-4 lead full mold package to ensure durability and effective heat dissipation during operation.
Public confirmed substitute part numbers are not provided in the available documentation.
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