{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM337K STEEL/NOPB","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM337K-STEEL-NOPB","canonicalUrl":"https://icboms.com/texas-instruments/LM337K-STEEL-NOPB","factsUrl":"https://icboms.com/api/mcp/products/LM337K%20STEEL%2FNOPB","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM337K STEEL/NOPB, negative adjustable voltage regulator, 1.5 A output, -1.2 V to -37 V range, 77 dB PSRR at 120 Hz, TO-204AA (TO-3) through-hole package, 0°C to 125°C operating temperature.","salesMarkdown":"## Negative rail regulator in a TO-3 can The LM337K STEEL/NOPB is a negative adjustable voltage regulator from Texas Instruments, delivering up to 1.5 A output with an adjustable range from -1.2 V down to -37 V. ## Output current and voltage envelope Rated for 1.5 A continuous output current, the LM337K STEEL/NOPB can handle moderate loads on a negative rail. The input voltage maximum is -40 V, and the output can be adjusted down to -37 V (minimum -1.2 V). This envelope covers most common negative supply needs — -5 V, -12 V, -15 V, or -24 V rails — with headroom for input ripple. ## Protection and temperature grade Built-in over-temperature and short-circuit protection are included, which simplifies the external protection circuitry.","metaTitle":"LM337K STEEL/NOPB Negative Adjustable Regulator, TO-3, 1.5 A","metaDescription":"Texas Instruments LM337K STEEL/NOPB negative adjustable voltage regulator, 1.5 A output, -1.2 V to -37 V range, 77 dB PSRR at 120 Hz.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Texas Instruments","PSRR":"77dB (120Hz)","Series":"-","Package":"Tray","Output Type":"Adjustable","Mounting Type":"Through Hole","Package / Case":"TO-204AA, TO-3","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Control Features":"-","Current - Output":"1.5A","Base Product Number":"LM337","Protection Features":"Over Temperature, Short Circuit","Number of Regulators":"1","Output Configuration":"Negative","Operating Temperature":"0°C~125°C","Voltage - Input (Max)":"-40V","Voltage Dropout (Max)":"-","Voltage - Output (Max)":"-37V","Supplier Device Package":"TO-3-2","Voltage - Output (Min/Fixed)":"-1.2V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/0778c63670ae2b9da77d4109fe26090b.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM337K%20STEEL%2FNOPB/alternatives.json"},"ai":{"faq":[{"question":"What is the best replacement for LM337K STEEL/NOPB?","answer":"For a drop-in TO-3 negative regulator, the LM337 series includes other variants (e.g., LM337K) that may be functionally similar but should be verified against the original BOM requirements. Independent distribution can help source the exact obsolete part or suggest an alternative after reviewing the application."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM337K-STEEL-NOPB","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM337K-STEEL-NOPB 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}}