{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LQH43NH270J03L","brand":"Murata Electronics","brandSlug":"murata-electronics","productSlug":"LQH43NH270J03L","canonicalUrl":"https://icboms.com/murata-electronics/LQH43NH270J03L","factsUrl":"https://icboms.com/api/mcp/products/LQH43NH270J03L","rawCanonicalId":null},"summary":{"shortDescription":"Murata Electronics LQH43 series, Drum Core Wirewound Inductor, 27 µH, ±5%, 280 mA, 720 mOhm DCR, Unshielded, 1812 (4532 Metric), AEC-Q200.","salesMarkdown":"## 27 µH wirewound in the LQH43 family The Murata LQH43NH270J03L is a 27 µH drum-core wirewound inductor in the LQH43 series, built on a ferrite core and packaged in the 1812 (4532 Metric) footprint. The unshielded construction and a self-resonant frequency of 14 MHz suit it for DC-DC converter input/output filtering and power-line decoupling where the switching frequency stays below that resonance. ## Parametric fit and test conditions Inductance is tested at 1 MHz with a ±5% tolerance; the Q factor is 35 minimum at the same 1 MHz test frequency. The 720 mOhm DCR is the maximum at room ambient — the winding resistance increases with temperature per the copper temperature coefficient, so the I²R loss budget should be calculated at the 125°C upper limit.","metaTitle":"Murata LQH43NH270J03L 27 µH Inductor, 280 mA, 1812","metaDescription":"27 µH wirewound inductor, 280 mA rated current, 720 mOhm DCR max. AEC-Q200 qualified, -40°C to 125°C. Active production. Request a quote.","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":"LQH43","Package":"Tape & Reel (TR) Cut Tape (CT)","Ratings":"AEC-Q200","Features":"-","Q @ Freq":"35 @ 1MHz","Shielding":"Unshielded","Tolerance":"±5%","Inductance":"27 µH","Mounting Type":"Surface Mount","Package / Case":"1812 (4532 Metric)","Material - Core":"Ferrite","lifecycle_stage":"unknown","Size / Dimension":"0.177\\\" L x 0.126\\\" W (4.50mm x 3.20mm)","Base Product Number":"LQH43NH","DC Resistance (DCR)":"720mOhm Max","Current Rating (Amps)":"280 mA","Height - Seated (Max)":"0.110\\\" (2.80mm)","Operating Temperature":"-40°C ~ 125°C","Supplier Device Package":"1812","Frequency - Self Resonant":"14MHz","Current - Saturation (Isat)":"-","Inductance Frequency - Test":"1 MHz"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.4100","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b8fe98626664ecf0068858b1162f6220.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LQH43NH270J03L/alternatives.json"},"ai":{"faq":[{"question":"What is the self-resonant frequency of this inductor?","answer":"The self-resonant frequency is 14 MHz. For effective filtering, keep the switching or ripple frequency well below this point to avoid capacitive coupling through the winding parasitics."},{"question":"What compliance documentation does Murata provide for LQH43NH270J03L?","answer":"The part carries AEC-Q200 qualification for automotive stress and reliability testing. RoHS and REACH compliance documentation is available from Murata on request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/murata-electronics/LQH43NH270J03L","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/murata-electronics/LQH43NH270J03L 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}}