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Product Detailed Parameters
- Description：IC VREF
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Type：-
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Current - Output：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The LF431OCRPA is a three-terminal adjustable shunt regulator manufactured by Diodes Incorporated. It functions as a precision voltage reference and control element in electronic circuits. The device offers high accuracy with grades of ±0.4% and ±1.0%. It features a typical minimum cathode current of 0.1 mA, ensuring stable operation across various applications. This component is designed for thermal stability over applicable temperature ranges, making it suitable for reliable performance in regulated power supplies and feedback loops.
Feature Summary
- Three-terminal adjustable shunt regulator design
- High precision accuracy with specified tolerance grades
- Guaranteed thermal stability over temperature ranges
- Low minimum cathode current requirement
Applications
- Precision voltage references
- Programmable linear power supplies
- Active filters
- Voltage regulation circuits
Procurement Notes
Verify the obsolete status of the LF431OCRPA before procurement planning. As this specific part number is no longer manufactured by Diodes Incorporated, sourcing new original units may be difficult or impossible through standard channels. Ensure that any available inventory is authentic and check datasheets for valid substitute components to maintain supply chain continuity.
Selection Notes
When selecting alternatives to the LF431OCRPA, prioritize components with similar three-terminal shunt regulator architectures. Ensure that replacement parts match the required accuracy grades and thermal stability specifications. Consider the operating temperature range and minimum cathode current requirements to guarantee compatibility with existing circuit designs without modification.
Part Context
The LF431 series represents a family of adjustable shunt regulators widely used in analog electronics. The LF431OCRPA specifically denotes a variant from Diodes Incorporated, historically utilized for its reliability and precision. Understanding its position within the broader shunt regulator category helps in identifying functional equivalents and understanding its role in voltage control applications.
Replacement Considerations
The LF431OCRPA is listed as obsolete. Verify compatible substitutes such as the LE431 or other generic LM431 variants that share pinout and electrical characteristics. Ensure the replacement maintains the same package type and voltage reference functionality.
