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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2% TO92
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Box (TB)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：20 V
- Current - Output：100 mA
- Operating Temperature：-55°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 ZHT431C02STZ is a three-terminal adjustable precision shunt regulator manufactured by Diodes Incorporated. It provides excellent temperature stability and handles output currents up to 100mA. The device operates within an extended temperature range of -55°C to +125°C. Output voltage is programmable between 2.5V and 20V using two external divider resistors. It serves as a high-performance replacement for standard zener diodes.
Feature Summary
- Temperature compensated for operation over the full specified temperature range
- Programmable output voltage capability via external resistor network
- Low output noise characteristics
Applications
- Series and shunt regulators
- Voltage monitoring circuits
- Over-voltage and under-voltage protection systems
- Switch mode power supplies
Procurement Notes
Verify the specific package type and tolerance grade against project requirements before procurement. Confirm that the ordering suffix matches the desired packaging format, such as tape and reel or loose components. Ensure the component meets all necessary environmental and safety standards required for the intended application environment.
Selection Notes
Select this component when a wide operating temperature range from -55°C to +125°C is required. Choose this part if low output noise and precise temperature compensation are critical design parameters. Consider this device for applications needing a direct upgrade from standard zener diodes with improved performance metrics.
Part Context
This component belongs to the ZHT431 family of adjustable precision shunt regulators produced by Diodes Incorporated. The family includes various packages like SOT-23 and SOT-223, offering different tolerance grades. This specific model represents the TO-92 variant designed for through-hole mounting in general-purpose electronic circuits.
Replacement Considerations
The datasheet indicates the device can replace zener diodes where improved performance is needed. No specific alternative part numbers are listed in the provided documentation.
