{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LQH43MN560K03L","brand":"Murata Electronics","brandSlug":"murata-electronics","productSlug":"LQH43MN560K03L","canonicalUrl":"https://icboms.com/murata-electronics/LQH43MN560K03L","factsUrl":"https://icboms.com/api/mcp/products/LQH43MN560K03L","rawCanonicalId":null},"summary":{"shortDescription":"Murata Electronics LQH43 series, Drum Core Wirewound Inductor, 56 µH, ±10%, 200 mA, Unshielded, 1.7 Ohm DCR, 1812 (4532 Metric) SMD.","salesMarkdown":"## 56 µH wirewound inductor for DC-DC input/output filtering The Murata LQH43MN560K03L is a drum-core wirewound inductor rated 56 µH ±10% with a 200 mA current rating and a 1.7 Ohm max DCR. The unshielded ferrite-core construction is common in power-supply input/output filter stages and low-current DC-DC converter output chokes where the board layout keeps the magnetic field away from sensitive traces. ## What the Q factor and self-resonant frequency mean for the filter The Q factor is 35 at 1 MHz and the self-resonant frequency is 9.3 MHz. The SRF sets the upper bound for useful inductance — above SRF the inductor behaves capacitively. For a buck-converter switching at 500 kHz, the 56 µH value holds its impedance into the low MHz range before the parasitic capacitance takes over. The 1.7 Ohm max DCR at 200 mA means roughly 68 mW of I²R loss at full rated current — negligible for most low-power rails, but the unshielded construction means the external field couples into adjacent PCB traces, so the inductor should sit away from feedback dividers or analog signal paths.","metaTitle":"Murata LQH43MN560K03L 56 µH Inductor, 200 mA, 1812","metaDescription":"Murata LQH43MN560K03L drum core wirewound inductor, 56 µH ±10%, 200 mA, 1.7 Ohm DCR, 1812 SMD, unshielded. Active lifecycle, 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":"LQH43","Package":"Tape & Reel (TR) Cut Tape (CT)","Ratings":"-","Q @ Freq":"35 @ 1MHz","Shielding":"Unshielded","Tolerance":"±10%","Inductance":"56 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)":"1.7Ohm Max","Current Rating (Amps)":"200 mA","Height - Seated (Max)":"0.110\\\" (2.80mm)","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"1812","Frequency - Self Resonant":"9.3MHz","Current - Saturation (Isat)":"-","Inductance Frequency - Test":"1 MHz"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.4300","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/d1493e4ce66984c31e9b5c6bbb04d9e5.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to LQH43MN560K03L in the LQH43 family?","answer":"The LQH43 series includes multiple inductance values in the same 1812 footprint. There is no pin-compatible alternative with the same 56 µH ±10% and 200 mA rating — the value tolerance and current rating are specific to this order code. For a different inductance in the same package, search the LQH43MN base number."},{"question":"What compliance documentation does Murata provide for LQH43MN560K03L?","answer":"The part is RoHS-compliant as standard for the LQH43 series. Murata publishes a datasheet and a product specification sheet for this order code. No separate UL or IEC certification is listed for this specific inductor."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/murata-electronics/LQH43MN560K03L","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/murata-electronics/LQH43MN560K03L 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}}