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KA78M05TU 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 5V 500MA TO220-3. Review the specifications below when checking this part for your BOM.
The KA78M05TU is a three-terminal positive linear voltage regulator manufactured by onsemi. It provides a fixed output voltage of 5 V with a maximum output current capability of 500 mA. The device is designed for through-hole mounting in a TO-220-3 package. It supports an input voltage range up to a maximum of 40 V. The operational temperature range extends from 0 °C to +125 °C. Line regulation is specified at 100 mV, and load regulation is rated at 120 mV.
Verify component authenticity due to discontinued status. Confirm datasheet revisions match design requirements. Check RoHS compliance documentation for specific manufacturing dates. Validate pinout compatibility during integration. Review supplier certification for quality assurance standards.
Evaluate thermal dissipation requirements for the TO-220-3 package. Ensure input voltage remains within the 40 V maximum limit. Consider heat sinking needs for sustained 500 mA loads. Verify operating temperature constraints against environmental conditions. Compare line and load regulation specifications against circuit tolerance levels.
This component belongs to the KA78Mxx series of medium-current positive voltage regulators. It shares functional similarities with other devices in the family, differing primarily in fixed output voltage settings. The series is characterized by robust internal protection features and standard three-terminal configurations suitable for various power management applications.
MC78M05CDTT5G offers surface mount alternatives with identical electrical characteristics.
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