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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% TO92-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Bulk
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The TL431ACLPRA is a three-terminal programmable shunt regulator diode manufactured by onsemi. It operates as a low temperature coefficient Zener reference, programmable from Vref to 36 V using two external resistors. The device features a wide operating current range of 1.0 mA to 100 mA with a typical dynamic impedance of 0.22 Ω. It provides a stable 2.5 V reference for logic supplies and functions as either a positive or negative voltage reference. This specific part number utilizes the TO-92 (TO-226) package code LP and is supplied in Tape & Reel shipping format.
Feature Summary
- Programmable output voltage capability up to 36 V
- Temperature compensated operation over full rated ambient temperature range
- Low dynamic output impedance characteristic
- Pb-Free packaging compliant with environmental standards
Applications
- Digital voltmeters
- Power supplies
- Op amp circuitry
- Shunt regulators
Procurement Notes
Verify that the ordering suffix 'RA' corresponds to the Tape & Reel shipping configuration within the official onsemi TL431/D datasheet. Confirm the component meets the specified commercial temperature range requirements for your application environment before finalizing procurement specifications.
Selection Notes
Select this variant when automated surface-mount assembly processes require tape and reel packaging rather than bulk bags. Ensure the circuit design accommodates the specified 0°C to 70°C operating temperature range. Verify that the required voltage tolerance aligns with the standard A-series specifications provided in the electrical characteristics tables.
Part Context
This component belongs to the TL431, A, B Series and NCV431A, B family of programmable precision references. These monolithic ICs serve as versatile replacements for traditional Zener diodes in various analog and digital control circuits. The series offers multiple package options including SOIC-8, Micro8, PDIP-8, and TO-92 to suit different board space and thermal management needs.
Replacement Considerations
Consult the manufacturer's cross-reference documentation for verified substitute part numbers. Ensure any replacement maintains compatibility with the TO-92 footprint and meets the same electrical performance criteria regarding reference voltage accuracy and operating current limits.
