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AZ78L09ZTR-E1 is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Diodes Incorporated. Its product description is IC REG LINEAR 9V 100MA TO92. Review the specifications below when checking this part for your BOM.
The AZ78L09ZTR-E1 is a linear voltage regulator manufactured by Diodes Incorporated, belonging to the AZ78Lxx series. It provides a fixed positive output voltage of 9V with a maximum output current capability of 100mA. The device features an input voltage range up to 18V and maintains a typical dropout voltage of 1.6V at 40mA load. It incorporates internal short-circuit current limiting and thermal overload protection for safe operation. The component is housed in a TO-92 package (TO-226AA) and operates within a temperature range of -40°C to 125°C.
Verify part authenticity through authorized Diodes Incorporated distributors or certified suppliers. Confirm RoHS3 compliance status via the latest manufacturer datasheet or environmental declaration. Check for Product Change Notifications (PCN) regarding assembly site or material changes before procurement. Ensure the specific suffix matches the required packaging and regulatory specifications.
Select this component when a stable 9V supply is needed for low-current applications under 100mA. Consider the 18V maximum input voltage limit and thermal dissipation requirements in the TO-92 package. Evaluate if the standard line regulation and ripple rejection meet system noise sensitivity needs compared to LDO alternatives.
This part belongs to the AZ78Lxx series of three-terminal positive voltage regulators from Diodes Incorporated. The series is designed for general-purpose applications requiring simple, reliable voltage regulation without external feedback networks. It serves as a direct functional replacement for legacy 78L09 devices in various electronic designs.
The STMicroelectronics L78L09ABZ is documented as a similar substitute part number for this discontinued component.
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