{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM334SM","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM334SM","canonicalUrl":"https://icboms.com/texas-instruments/LM334SM","factsUrl":"https://icboms.com/api/mcp/products/LM334SM","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM334SM adjustable current source, ±6% accuracy, 1 V to 40 V input range, 8-SOIC surface mount package, 0 °C to 70 °C operating temperature.","salesMarkdown":"## Active production — BOM-fit note The LM334SM: This is a three-terminal adjustable current source, not a fixed regulator: the output current is set by one external resistor between the R and V− pins, and the part regulates that current regardless of load or supply voltage within the 1 V to 40 V compliance range. The ±6% initial accuracy means the set-point resistor must be trimmed or selected to hit the target current within that tolerance band — a 1% resistor alone does not tighten the overall error, because the LM334's own offset dominates. ## Package and temperature grade The package is listed as Bulk in the supply format — not tape-and-reel, so plan for tube or tray handling at the pick-and-place feeder if the line expects reeled parts. ## RoHS status and compliance Marked RoHS non-compliant — the device carries tin-lead (SnPb) termination finish, which is exempt under certain RoHS categories (military, aerospace, medical implant) and still preferred in high-reliability solder joints where tin whisker risk is unacceptable.","metaTitle":"LM334SM Current Source, ±6%, 8-SOIC, Active","metaDescription":"Texas Instruments LM334SM adjustable current source, ±6% accuracy, 1-40 V input, 8-SOIC surface mount. Active production — quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Bulk","Accuracy":"±6%","Function":"Current Source","Mounting Type":"Surface Mount","Package / Case":"8-SOIC (0.154\\\", 3.90mm Width)","Voltage - Input":"1V ~ 40V","lifecycle_stage":"eol_hot","Current - Output":"Adjustable","Operating Temperature":"0°C ~ 70°C","Supplier Device Package":"8-SOIC"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.3","priceTiers":[{"qty":240,"price":"$1.30000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/2c754ebe445c46c10fc4dbb27b8260b6.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM334SM/alternatives.json"},"ai":{"faq":[{"question":"What is the LM334SM's accuracy and how does it affect the current set-point?","answer":"The initial accuracy is ±6%. This means the actual output current at a given resistor value can vary by up to 6% from the calculated target. The designer should either select the resistor empirically or account for this tolerance in the system budget."},{"question":"What compliance documentation does Texas Instruments provide for LM334SM?","answer":"The device is RoHS non-compliant due to tin-lead termination finish. No REACH, UL, or IEC certification is listed in the available records. For specific compliance certificates, the buyer should request them at RFQ time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM334SM","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM334SM when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}