{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LQH31MN820K03L","brand":"Murata Electronics","brandSlug":"murata-electronics","productSlug":"LQH31MN820K03L","canonicalUrl":"https://icboms.com/murata-electronics/LQH31MN820K03L","factsUrl":"https://icboms.com/api/mcp/products/LQH31MN820K03L","rawCanonicalId":null},"summary":{"shortDescription":"Murata Electronics LQH31 series, Drum Core Wirewound Inductor, 82 µH, ±10%, 45 mA, 14.3 Ohm DCR, Unshielded, 1206 (3216 Metric), Ferrite Core.","salesMarkdown":"## 82 µH, 45 mA — what the ratings mean for the BOM line The LQH31MN820K03L: Its 82 µH inductance at 1 MHz test frequency and 45 mA current rating define the operating window for a DC-DC filter or signal-line choke where the DC bias current stays well under 45 mA — exceeding that saturates the ferrite core and inductance collapses. Unshielded construction means the magnetic field radiates from the component — keep sensitive traces or other magnetics at least one package width away to avoid coupling. The self-resonant frequency is 7.5 MHz; above that the inductor behaves capacitively, so this part suits switching converters and filters operating below a few MHz. ## Sourcing and lifecycle posture Listed as Active in production — the LQH31 series is a Murata standard catalogue line with no announced end-of-life.","metaTitle":"Murata LQH31MN820K03L 82 µH Unshielded Inductor, 1206","metaDescription":"Murata LQH31MN820K03L drum core wirewound inductor, 82 µH ±10%, 45 mA, 14.3 Ohm DCR, 1206 package, -40 to +85°C. Active production, sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Inductors & Chokes"],"specifications":{"Mfr":"Murata Electronics","Type":"Drum Core, Wirewound","Series":"LQH31","Package":"Tape & Reel (TR)","Ratings":"-","Q @ Freq":"40 @ 2.5MHz","Shielding":"Unshielded","Tolerance":"±10%","Inductance":"82 µH","Mounting Type":"Surface Mount","Package / Case":"1206 (3216 Metric)","Product Status":"Active","Material - Core":"Ferrite","lifecycle_stage":"unknown","Size / Dimension":"0.126\\\" L x 0.063\\\" W (3.20mm x 1.60mm)","Base Product Number":"LQH31MN","DC Resistance (DCR)":"14.3Ohm Max","Current Rating (Amps)":"45 mA","Height - Seated (Max)":"0.079\\\" (2.00mm)","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"1206","Frequency - Self Resonant":"7.5MHz","Current - Saturation (Isat)":"-","Inductance Frequency - Test":"1 MHz"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3023","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/23793266b202ae546e5047be20f0e556.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the Q factor and self-resonant frequency of LQH31MN820K03L?","answer":"The minimum Q factor is 40 measured at 2.5 MHz. The self-resonant frequency is 7.5 MHz — above this frequency the component behaves capacitively."},{"question":"What is the tolerance and test frequency for this 82 µH inductor?","answer":"Tolerance is ±10%. Inductance is tested at 1 MHz."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/murata-electronics/LQH31MN820K03L","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/murata-electronics/LQH31MN820K03L 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}}