{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TL431BIDBVRG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TL431BIDBVRG4","canonicalUrl":"https://icboms.com/texas-instruments/TL431BIDBVRG4","factsUrl":"https://icboms.com/api/mcp/products/TL431BIDBVRG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TL431BIDBVRG4, adjustable shunt voltage reference, ±0.5% tolerance, 100 mA output, 2.495 V reference, SOT-23-5 package, -40°C to 85°C.","salesMarkdown":"## ±0.5% tolerance — precision-grade shunt reference The TL431BIDBVRG4 is a precision adjustable shunt voltage reference with a ±0.5% tolerance on the 2.495 V internal reference. That tolerance band is tighter than the standard TL431's ±2.2% or the 'I' grade ±1%, making this variant suitable for applications where the reference voltage accuracy directly affects system calibration — such as in power-supply feedback loops, data-acquisition reference rails, or comparator thresholds. The output is adjustable from 2.495 V up to 36 V using two external resistors, covering the common 3.3 V, 5 V, 12 V, and 24 V rail regulation needs. ## 100 mA output, 700 µA cathode current — load and bias range The device can sink up to 100 mA of continuous cathode current, which sets the maximum load the shunt regulator can support. The minimum cathode current is 700 µA — below that the reference loses regulation. ## SOT-23-5 footprint — package and layout This is a five-pin surface-mount package on 0.95 mm pitch, compatible with standard SOT-23-5 land patterns. The Tape & Reel (TR) packaging option is the only listed format.","metaTitle":"TL431BIDBVRG4 Shunt Reference, ±0.5%, Obsolete","metaDescription":"Texas Instruments TL431BIDBVRG4 adjustable shunt voltage reference, ±0.5% tolerance, 100 mA output, SOT-23-5.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR)","Tolerance":"±0.5%","Output Type":"Adjustable","Mounting Type":"Surface Mount","Package / Case":"SC-74A, SOT-753","Product Status":"Obsolete","Reference Type":"Shunt","Voltage - Input":"-","lifecycle_stage":"eol_hot","Current - Output":"100 mA","Current - Supply":"-","Current - Cathode":"700 µA","Base Product Number":"TL431","Noise - 0.1Hz to 10Hz":"-","Noise - 10Hz to 10kHz":"-","Operating Temperature":"-40°C~85°C(TA)","Voltage - Output (Max)":"36 V","Supplier Device Package":"SOT-23-5","Temperature Coefficient":"-","Voltage - Output (Min/Fixed)":"2.495V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/99b53f28cf28b982a16c2a9ac87cd6e9.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TL431BIDBVRG4/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for TL431BIDBVRG4?","answer":"A functionally equivalent replacement would be another TL431 family device with the same ±0.5% tolerance and SOT-23-5 package — such as the TL431BIDBZR (SOT-23-3, three-pin) or the TL431BIDBVR (SOT-23-5, same footprint). Verify pin compatibility and tolerance grade before substituting."},{"question":"What is the tolerance of TL431BIDBVRG4?","answer":"The TL431BIDBVRG4 has a ±0.5% tolerance on the 2.495 V internal reference. This is the 'B' grade precision level, tighter than the standard ±2.2% or 'I' grade ±1% variants."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TL431BIDBVRG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TL431BIDBVRG4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}