KA78M08RTF

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

The KA78M08RTF is a discontinued linear voltage regulator manufactured by onsemi, formerly Fairchild Semiconductor. It provides a fixed positive output of 8 V with a maximum current capability of 500 mA. The device operates within an input voltage range up to 40 V and features a TO-252 surface-mount package. Electrical specifications include a line regulation of 100 mV and load regulation of 160 mV. The component supports operation across a temperature range from 0°C to +125°C.

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

• Provides a fixed positive regulated output voltage
• Supports continuous output currents up to 500 mA
• Designed for surface-mount installation in compact layouts

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

• General-purpose power supply circuits requiring stable 8 V rails
• Embedded systems utilizing the TO-252 package form factor
• Industrial control modules operating at elevated temperatures

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

This component is officially listed as obsolete or discontinued by the manufacturer. Verify end-of-life status through official onsemi channels before design finalization. Sourcing availability is restricted; confirm replacement part numbers and lead times directly with authorized distributors. Do not assume stock presence without explicit vendor confirmation.

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

Select this part only if the specific 8 V fixed output and 500 mA current rating align precisely with circuit requirements. Evaluate thermal dissipation capabilities inherent to the TO-252 package under expected load conditions. Consider that the device is discontinued; ensure alternative components are identified to mitigate supply chain risks during production phases.

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

The KA78M08RTF belongs to the KA78M series of three-terminal positive voltage regulators. This family typically offers robust performance for standard linear regulation applications. The 'M' suffix generally denotes a 500 mA current class variant within the broader regulatory product line, distinguishing it from lower or higher current counterparts.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official onsemi cross-reference guides for direct replacements.