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The TLV431ILPRE3 is an adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a cathode voltage range of 2.5V to 36V and supports a maximum cathode current of 100mA. The device features an initial accuracy of ±1% and maintains operation across a temperature range of -40°C to +85°C. Packaged in a standard TO-92-3 through-hole configuration, it serves as a low-cost voltage reference solution for power management applications.
Verify component status carefully as this specific part number may be discontinued or subject to end-of-life notices. Confirm the exact suffix matches required specifications before ordering. Check for official replacement recommendations from the manufacturer to ensure long-term supply chain stability and compatibility with existing designs.
Select this component when a low-cost, high-accuracy adjustable shunt regulator is required in a through-hole package. Ensure the design accommodates the specified operating temperature range and current limits. Consider alternative packages if surface-mount space constraints exist, as other variants in the family may offer different form factors.
This device belongs to the TLV431 family of adjustable shunt regulators designed for cost-sensitive applications. It offers improved performance over legacy TL431 devices while maintaining pin compatibility. The family is widely used in consumer electronics and industrial power supplies where precise voltage referencing is critical for system stability and efficiency.
Official substitutes include TLV431AIDBZR and other TLV431 variants. Verify pinout compatibility and electrical specifications before substitution.