{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM385Z-2.5/LFT7","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM385Z-2.5-LFT7","canonicalUrl":"https://icboms.com/texas-instruments/LM385Z-2.5-LFT7","factsUrl":"https://icboms.com/api/mcp/products/LM385Z-2.5%2FLFT7","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM385Z-2.5/LFT7, shunt voltage reference, fixed 2.5 V output, ±3% tolerance, 20 mA output, 20 µA cathode current, TO-92-3 through-hole package, 0°C~70°C operating temperature.","salesMarkdown":"The LM385Z-2.5/LFT7 is a 2.5 V fixed-output shunt voltage reference from Texas Instruments, in a TO-92-3 through-hole package. It provides a stable 2.5 V rail for biasing ADCs, comparators, or low-dropout regulators in designs where a precision bandgap reference is overkill. Rated for 20 mA output current with a 20 µA minimum cathode current to maintain regulation, it covers the typical load of a single ADC reference input or a comparator threshold divider. ## ±3% tolerance — the accuracy trade-off The ±3% initial tolerance means the output can sit anywhere from 2.425 V to 2.575 V at 25 °C. That is loose enough that you budget for it in the downstream circuit — a 10-bit ADC with a 2.5 V reference loses about 1 LSB of absolute accuracy from the reference alone. For a 0.1% precision measurement chain, this part is not the right fit; for a power-supply monitor or a comparator threshold, it works fine. That compounds with the initial tolerance — worst-case total spread is about ±3.5% across temperature. No stock-holding claim — every lot is verified before shipment. ## TO-92-3 package — rework and board-fit note The TO-92-3 through-hole package is about as rework-friendly as it gets — three leads, 0.100-inch pitch, easy to hand-solder or hot-air remove without lifting a pad. The flat face of the package has a chamfered edge that marks pin 1; the pinout is standard (adj/gnd/out for the LM385 family). No thermal pad, no exposed die — just three leads through the board.","metaTitle":"LM385Z-2.5/LFT7 Shunt Voltage Reference, 2.5V Fixed, TO-92-3","metaDescription":"LM385Z-2.5/LFT7 is a 2.5V fixed-output shunt voltage reference in a TO-92-3 through-hole package. ±3% tolerance, 20 mA output, 0°C~70°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Bulk","Tolerance":"±3%","Output Type":"Fixed","Mounting Type":"Through Hole","Package / Case":"TO-226-3, TO-92-3 (TO-226AA)","Product Status":"Obsolete","Reference Type":"Shunt","Voltage - Input":"-","lifecycle_stage":"eol_hot","Current - Output":"20 mA","Current - Supply":"-","Current - Cathode":"20 µA","Base Product Number":"LM385","Noise - 0.1Hz to 10Hz":"-","Noise - 10Hz to 10kHz":"120µVrms","Operating Temperature":"0°C~70°C(TA)","Supplier Device Package":"TO-92-3","Temperature Coefficient":"150ppm/°C","Voltage - Output (Min/Fixed)":"2.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/eadaaffd4a3ca9f1d8d72d9c7f6b7ccb.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM385Z-2.5%2FLFT7/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for LM385Z-2.5/LFT7?","answer":"Texas Instruments has not published an official successor order code for this part. For a pin-compatible alternative within the LM385 family, look at the LM385Z-2.5/NOPB (active, same TO-92-3 package, same 2.5 V output) — confirm the tolerance grade and temperature range match your BOM requirements before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM385Z-2.5-LFT7","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM385Z-2.5-LFT7 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}}