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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2% TO92
- Series：-
- Mfr：Diodes Incorporated
- Package：Bulk
- 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)
- Supplier Device Package：TO-92
- Grade：-
- Qualification：-
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Overview
The ZHT431C02L 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. This component serves as a high-performance replacement for standard zener diodes in applications requiring improved regulation accuracy.
Feature Summary
- Temperature compensated for operation over the full specified temperature range
- Programmable output voltage via external resistor divider network
- Low output noise characteristics
- Available in green molding compound without bromine or antimony
Applications
- Series and shunt regulators
- Voltage monitoring circuits
- Over-voltage and under-voltage protection systems
- Switch mode power supplies
Procurement Notes
Verify the specific ordering suffix against current manufacturer documentation, as availability and status may change. Confirm package type and tolerance requirements match design specifications. Check for end-of-life notices or alternative part recommendations from Diodes Incorporated before finalizing procurement plans.
Selection Notes
Select this component when precise voltage reference stability across wide temperature variations is required. Ensure the application circuit accommodates the necessary external resistors for setting the desired output voltage level. Verify that the maximum cathode current limits are not exceeded during peak operating conditions.
Part Context
This part belongs to the ZHT431 series of adjustable precision shunt regulators. The series includes variants with different tolerances and packages such as SOT-23 and SOT-223. The ZHT431C02L specifically denotes a TO-92 package variant with 2% initial accuracy tolerance.
Replacement Considerations
Standard zener diodes can be replaced with this device where improved performance is needed. Other ZHT431 series parts with different tolerances or packages may serve as functional substitutes if pin compatibility and electrical parameters align.
