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The L79M05T-E is a fixed negative linear voltage regulator from the L79M series, manufactured by onsemi. It provides a stable -5 V output with a maximum current capacity of 0.5 A. The device accepts an input voltage range between -20 V and -7.5 V. It features line regulation of 50 mV and load regulation of 100 mV. The component operates within a temperature range of -30 °C to +80 °C. It utilizes a through-hole installation style in a bulk package configuration.
Verify end-of-life status before design finalization, as discontinuance notifications exist for this part number. Confirm RoHS compliance details via official documentation prior to procurement. Ensure the specific manufacturing origin meets quality standards required for the application. Check for any pending product change notices that may affect pinout or electrical characteristics.
Select this component when a reliable -5 V negative supply is required at moderate current levels. Consider the through-hole package for prototyping or high-reliability mechanical mounting needs. Evaluate thermal management requirements based on the specified operating temperature range and expected power dissipation under load conditions.
This regulator belongs to the L79M family of three-terminal negative voltage regulators. The series is designed for general-purpose applications requiring stable negative voltage rails. It serves as a complement to positive regulator counterparts in mixed-polarity power systems. The manufacturer offers various package options within this family for different mounting requirements.
Public confirmed substitute part numbers: KA79M05TU, MC79M05BDTRKG, MC79M05CDT.