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The ZRC400A02 is a precision micropower shunt voltage reference providing a nominal output of 4.096 V with an initial accuracy tolerance of ±2%. It utilizes a bandgap circuit design and operates within a recommended current range of 23 μA to 5 mA, featuring a low knee current of 18 μA typical. The device exhibits a temperature coefficient of 30 ppm/°C typical and maintains stability without external capacitors. It supports operation between -40°C and +85°C and is housed in an E-Line package.
Verify the specific package suffix (Y or R) against the datasheet ordering table, as the base model ZRC400A02 corresponds to the E-Line configuration. Confirm that the ±2% tolerance variant matches the required application specifications. Check for end-of-life status or alternative sourcing if the exact part number is unavailable from primary distributors.
Select this component when a precise 4.096 V reference is needed in through-hole E-Line packages. Ensure the operating current remains within the 23 μA to 5 mA range for optimal performance. Consider the 30 ppm/°C temperature coefficient for thermal stability requirements. Verify that the rugged transient handling capability meets the system's electrical environment demands.
The ZRC400 series includes variants with different tolerances (1%, 2%, 3%) and packages (SOT23, SO8, E-Line). The ZRC400A02 specifically denotes the 2% tolerance version in the standard E-Line 3-pin configuration. Other suffixes like F, N8, Y, and R indicate different physical footprints while maintaining the same core electrical characteristics.
ZRC400F02TA (SOT-23-3, 2% tolerance)
No, the device provides stable voltage without an external capacitor and is stable with capacitive loads.
The rugged design allows the reference to withstand transient currents up to 200 mA.