{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM337SP","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"LM337SP","canonicalUrl":"https://icboms.com/stmicroelectronics/LM337SP","factsUrl":"https://icboms.com/api/mcp/products/LM337SP","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics LM337SP, negative adjustable linear regulator, 1.5 A output, -1.2 V to -37 V range, TO-220-3 through-hole package, PSRR 77 dB at 120 Hz.","salesMarkdown":"## Negative rail regulator with 1.5 A continuous output The LM337SP is a negative adjustable linear regulator from STMicroelectronics, delivering 1.5 A continuous output current with an output range from -1.2 V down to -37 V. It provides a PSRR of 77 dB at 120 Hz, rolling off to 60 dB at higher frequencies — a meaningful spec when the negative rail must reject rectified ripple in audio or instrumentation supplies. ## Output range and protection The adjustable output is set with two external resistors; the minimum fixed voltage is -1.2 V, and the maximum output is -37 V, limited by the 40 V maximum input. Built-in over-current and over-temperature protection circuits guard against output shorts and thermal runaway, reducing the need for external clamp diodes in many designs. ## Active lifecycle and through-hole package","metaTitle":"LM337SP – STMicro Negative Adjustable Regulator, 1.5 A","metaDescription":"LM337SP from STMicroelectronics: negative adjustable linear regulator, 1.5 A output, -1.2 V to -37 V range, PSRR 77 dB at 120 Hz.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"STMicroelectronics","PSRR":"77dB ~ 60dB (120Hz)","Series":"-","Package":"Tube","Output Type":"Adjustable","Mounting Type":"Through Hole","Package / Case":"TO-220-3","Product Status":"Active","lifecycle_stage":"eol_hot","Control Features":"-","Current - Output":"1.5A","Base Product Number":"LM337","Protection Features":"Over Current, Over Temperature","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-220","Voltage - Output (Min/Fixed)":"-1.2V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.3400","priceTiers":[{"qty":1,"price":"$1.34000","currency":"USD"},{"qty":10,"price":"$1.19900","currency":"USD"},{"qty":25,"price":"$1.13800","currency":"USD"},{"qty":100,"price":"$0.93470","currency":"USD"},{"qty":250,"price":"$0.87376","currency":"USD"},{"qty":500,"price":"$0.77216","currency":"USD"},{"qty":1000,"price":"$0.67095","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/0570ebb30713afbf91a8377630291bfd.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM337SP/alternatives.json"},"ai":{"faq":[{"question":"Is LM337SP pin compatible with the standard LM337T?","answer":"Both parts share the TO-220-3 package and the same pinout (adj, output, input) as the industry-standard LM337 adjustable negative regulator. The LM337SP is STMicroelectronics' version of that function."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/LM337SP","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/LM337SP 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}}