{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LQH43MN100K03L","brand":"Murata Electronics","brandSlug":"murata-electronics","productSlug":"LQH43MN100K03L","canonicalUrl":"https://icboms.com/murata-electronics/LQH43MN100K03L","factsUrl":"https://icboms.com/api/mcp/products/LQH43MN100K03L","rawCanonicalId":null},"summary":{"shortDescription":"Murata LQH43 series, Drum Core Wirewound Inductor, 10 µH, ±10%, 400 mA, 560 mOhm DCR, Unshielded, 1812 (4532 Metric) SMD, -40°C~85°C.","salesMarkdown":"## 10 µH at 400 mA — the DC-DC filter axis The LQH43MN100K03L is a Murata drum-core wirewound inductor in the LQH43 series, delivering 10 µH ±10% with a 400 mA current rating and a 560 mOhm maximum DCR. The unshielded ferrite-core construction means the stray field radiates into the PCB — keep sensitive traces and ground pours a few body widths away to avoid coupling into the noise floor. ## Self-resonance and Q — where the model breaks The 23 MHz self-resonant frequency sets the upper bound for useful inductance; above this the part looks capacitive. The Q of 35 at 1 MHz tells you the AC loss factor at the test frequency — for a 500 kHz buck output filter the Q is adequate, but at 5 MHz the loss climbs and the effective inductance drops as the SRF is approached.","metaTitle":"Murata LQH43MN100K03L 10 µH Unshielded Inductor, 400 mA","metaDescription":"Murata LQH43MN100K03L drum core wirewound inductor, 10 µH ±10%, 400 mA, 560 mOhm DCR, 1812 SMD, active production. Quoted to order against BOM.","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":"-","Q @ Freq":"35 @ 1MHz","Shielding":"Unshielded","Tolerance":"±10%","Inductance":"10 µH","Mounting Type":"Surface Mount","Package / Case":"1812 (4532 Metric)","Product Status":"Active","Material - Core":"Ferrite","lifecycle_stage":"unknown","Size / Dimension":"0.177\\\" L x 0.126\\\" W (4.50mm x 3.20mm)","Base Product Number":"LQH43MN","DC Resistance (DCR)":"560mOhm Max","Current Rating (Amps)":"400 mA","Height - Seated (Max)":"0.110\\\" (2.80mm)","Operating Temperature":"-40°C~85°C","Supplier Device Package":"1812","Frequency - Self Resonant":"23MHz","Current - Saturation (Isat)":"-","Inductance Frequency - Test":"1 MHz"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.4700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/d1493e4ce66984c31e9b5c6bbb04d9e5.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LQH43MN100K03L/alternatives.json"},"ai":{"faq":[{"question":"What compliance documentation is available for the LQH43MN100K03L?","answer":"RoHS and REACH compliance documentation is typically provided by Murata for the LQH43 series; confirm specific certificate availability at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/murata-electronics/LQH43MN100K03L","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/murata-electronics/LQH43MN100K03L 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}}