{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM4040C30ILPE3","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM4040C30ILPE3","canonicalUrl":"https://icboms.com/texas-instruments/LM4040C30ILPE3","factsUrl":"https://icboms.com/api/mcp/products/LM4040C30ILPE3","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM4040C30ILPE3 precision shunt voltage reference, fixed 3 V output, ±0.5% tolerance, 35 µVrms noise, 100 ppm/°C, TO-92-3 through-hole package, -40°C to 85°C.","salesMarkdown":"## 3 V fixed shunt reference — ±0.5% tolerance, 35 µVrms noise The Texas Instruments LM4040C30ILPE3 is a precision shunt voltage reference with a fixed 3 V output, ±0.5% initial tolerance, and 35 µVrms noise over a 10 Hz to 10 kHz bandwidth. It operates as a two-terminal shunt (like a Zener) and requires only a single external resistor to set the bias current. The 82 µA cathode current keeps the shunt leg dissipation low, making this reference suitable for portable or low-power analog sections where a clean 3 V rail is needed for an ADC reference or comparator threshold. ## TO-92-3 through-hole — prototyping and retrofit Housed in a TO-226-3 (TO-92-3) through-hole package, the LM4040C30ILPE3 is a drop-in for breadboard prototyping, low-volume builds, or replacing an older three-lead reference on a legacy board. The through-hole format simplifies hand assembly and rework compared to surface-mount alternatives. No official successor or pin-compatible cross-reference is recorded in the manufacturer documentation. The LM4040 family includes multiple voltage options and tolerance grades; if a tighter ±0.1% or a different output voltage is needed, a sibling within the same TO-92-3 footprint is a straightforward swap.","metaTitle":"LM4040C30ILPE3 Voltage Reference, 3 V Fixed, ±0.5%, TO-92-3","metaDescription":"LM4040C30ILPE3 precision shunt voltage reference, fixed 3 V output, ±0.5% tolerance, 35 µVrms noise, TO-92-3 through-hole. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Bulk","Tolerance":"±0.5%","Output Type":"Fixed","Mounting Type":"Through Hole","Package / Case":"TO-226-3, TO-92-3 (TO-226AA)","Product Status":"Active","Reference Type":"Shunt","Voltage - Input":"-","lifecycle_stage":"eol_hot","Current - Output":"15 mA","Current - Supply":"-","Current - Cathode":"82 µA","Base Product Number":"LM4040","Noise - 0.1Hz to 10Hz":"-","Noise - 10Hz to 10kHz":"35µVrms","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"TO-92-3","Temperature Coefficient":"100ppm/°C","Voltage - Output (Min/Fixed)":"3V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM4040C30ILPE3/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to LM4040C30ILPE3?","answer":"Within the LM4040 family, any fixed-voltage variant in the same TO-92-3 package (e.g., 2.5 V, 4.096 V) shares the same pinout and footprint. For a tighter ±0.1% tolerance, the LM4040A30ILPE3 is a direct drop-in. No cross-reference outside the family is documented."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM4040C30ILPE3","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM4040C30ILPE3 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}}