{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TL431CPG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TL431CPG4","canonicalUrl":"https://icboms.com/texas-instruments/TL431CPG4","factsUrl":"https://icboms.com/api/mcp/products/TL431CPG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TL431CPG4 adjustable shunt voltage reference, 8-DIP through-hole package, output range 2.495 V to 36 V, ±2.2% tolerance, 100 mA cathode current, 1 mA minimum cathode current, 0°C to 70°C operating temperature.","salesMarkdown":"## Adjustable shunt reference in a through-hole DIP The 8-DIP (0.300\", 7.62 mm) through-hole package suits prototyping, legacy board repairs, and designs where SMT reflow is not practical. ## Output voltage range and current drive The reference can sink up to 100 mA continuous cathode current, which is enough to bias an optocoupler LED in a feedback loop or drive a small load directly.","metaTitle":"TL431CPG4 Adjustable Shunt Voltage Reference","metaDescription":"Texas Instruments TL431CPG4 adjustable shunt voltage reference in 8-DIP through-hole. Output range 2.495 V to 36 V, 100 mA cathode current, ±2.2% tolerance.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tube","Tolerance":"±2.2%","Output Type":"Adjustable","Mounting Type":"Through Hole","Package / Case":"8-DIP (0.300\\\", 7.62mm)","Reference Type":"Shunt","Voltage - Input":"-","lifecycle_stage":"eol_hot","Current - Output":"100 mA","Current - Supply":"-","Current - Cathode":"1 mA","Base Product Number":"TL431","Noise - 0.1Hz to 10Hz":"-","Noise - 10Hz to 10kHz":"-","Operating Temperature":"0°C~70°C(TA)","Voltage - Output (Max)":"36 V","Supplier Device Package":"8-PDIP","Temperature Coefficient":"-","Voltage - Output (Min/Fixed)":"2.495V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/2e8567ad04842692d5fb8309c69e90b6.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TL431CPG4/alternatives.json"},"ai":{"faq":[{"question":"Is the TL431CPG4 pin compatible with the TL431CD?","answer":"Yes, the TL431CPG4 and TL431CD share the same pinout — both are standard three-terminal shunt references. The difference is the package: the CPG4 is an 8-pin DIP (through-hole), while the CD is an 8-pin SOIC (surface-mount)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TL431CPG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TL431CPG4 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}}