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KA78L15AZTA 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 15V 100MA TO92-3. Review the specifications below when checking this part for your BOM.
The KA78L15AZTA is a linear voltage regulator manufactured by onsemi, formerly Fairchild Semiconductor. It provides a fixed positive output of 15 V with a maximum output current of 100 mA. The device operates within an input voltage range of 17.5 V to 30 V and features a typical power supply rejection ratio (PSRR) of 60 dB at 120 Hz. Line regulation is specified at 300 mV, while load regulation is 150 mV. The unit dissipates up to 750 mW and draws a quiescent current of 2.1 mA. It is housed in a TO-92-3 package for through-hole mounting and supports an operating temperature range from -40 °C to +125 °C.
Verify component authenticity as the KA78L15AZTA is listed as obsolete or end-of-life by the manufacturer. Confirm availability through authorized distributors or secondary markets. Ensure replacement parts meet identical electrical specifications and pinout compatibility. Check RoHS compliance status if required for specific manufacturing standards. Validate datasheet revisions to ensure technical parameters match design requirements.
Select this component when a fixed 15 V output at 100 mA is required in a compact TO-92 package. Consider the 750 mW power dissipation limit and thermal management needs during operation. Evaluate input voltage headroom to maintain regulation within the specified 17.5 V minimum. Compare line and load regulation tolerances against system precision requirements. Assess operating temperature range suitability for the intended environmental conditions.
This part belongs to the KA78L15A series of positive voltage regulators produced by onsemi. It is functionally equivalent to other industry-standard 78L15 devices. The product line offers various output voltages and packages. This specific variant utilizes a through-hole TO-92-3 configuration. It serves as a legacy component in power management designs.
Public confirmed substitute part numbers include MC78L15ABPRPG.
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