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DI78L3.3ZAB is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Diotec Semiconductor. Its product description is IC REG LINEAR 3.3V 100MA TO92. Review the specifications below when checking this part for your BOM.
The DI78L3.3ZAB is a positive fixed voltage linear regulator from the DI78LxxZAB series by Diotec Semiconductor, housed in a TO-92 package. It provides a nominal output voltage of 3.3 V with a tolerance of ±5.0%. The device supports an output current of 100 mA and operates within an input voltage range of 30 V to 40 V. Junction temperature ranges from -40°C to +125°C, with a quiescent current of 6.0 mA at 25°C. Line regulation is specified at 150 mV (VIN = 5.3 to 20 V) and load regulation at 60 mV (IOUT = 1.0 to 100 mA). Ripple rejection is typically 49 dB at 120 Hz.
Verify the specific part number against official Diotec Semiconductor documentation to ensure accuracy. Confirm that the component meets RoHS compliance standards without exemptions. Check for REACH and conflict minerals declarations as required by your procurement policies. Ensure the ordering suffix matches the intended package type and commercial grade specifications.
Select this component when a stable 3.3 V rail is needed for low-current applications up to 100 mA. Consider the TO-92 through-hole package for standard assembly processes. Evaluate the dropout voltage and power dissipation limits relative to the expected ambient temperature and input voltage conditions to ensure reliable operation within the specified junction temperature range.
This component belongs to the DI78LxxZAB family of positive fixed voltage regulators manufactured by Diotec Semiconductor. The series offers various fixed output voltages ranging from 3.3 V to 24 V. These devices are designed for commercial-grade applications requiring basic linear regulation capabilities with integrated safety features.
Public confirmed substitute part numbers: None identified.
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