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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% TO92
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Box (TB)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92
- Grade：-
- Qualification：-
Download product information
Overview
The AS431BZ-E1 is an adjustable precision shunt regulator manufactured by Diodes Incorporated. It operates within a cathode voltage range of 2.5 V to 36 V and supports a maximum cathode current of 100 mA. The device features an initial accuracy tolerance of ±1% and a typical temperature coefficient of 20 ppm/°C. Designed for through-hole mounting, it utilizes the TO-92-3 package configuration. The component functions reliably across an extended operating temperature range from -40 °C to +125 °C.
Feature Summary
- Provides programmable output voltage capability via external resistor divider networks
- Delivers high stability with low temperature drift characteristics over wide thermal ranges
- Supports high load current handling for robust power management applications
Applications
- Precision voltage reference sources in analog circuits
- Programmable linear power supply regulation
- Battery charging circuit control loops
Procurement Notes
Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical tolerances and packaging variations. Ensure the procurement channel provides valid traceability records. Confirm RoHS compliance status matches current regulatory requirements for the target deployment region before finalizing acquisition orders.
Selection Notes
Select this component when a through-hole adjustable shunt regulator with ±1% initial accuracy is required. The TO-92-3 package suits prototyping or low-volume production environments. Verify that the system input voltage remains within the 36 V maximum limit and that thermal dissipation constraints are met within the specified operating temperature range.
Part Context
This part belongs to the AS431 series of adjustable precision shunt regulators produced by Diodes Incorporated. The series offers a cost-effective solution for voltage referencing tasks requiring moderate precision. The TO-92 form factor distinguishes it from surface-mount variants like the SOT-23 versions found in the same product family.
Replacement Considerations
AS431AZTR-E1
FAQ
What is the minimum operating cathode current?
The datasheet specifies a minimum cathode current requirement of 1 mA for proper regulation operation.
Is the output voltage fixed or adjustable?
The output voltage is adjustable, typically ranging from 2.5 V up to the maximum cathode voltage rating of 36 V.
