{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LQH32MN180J23L","brand":"Murata Electronics","brandSlug":"murata-electronics","productSlug":"LQH32MN180J23L","canonicalUrl":"https://icboms.com/murata-electronics/LQH32MN180J23L","factsUrl":"https://icboms.com/api/mcp/products/LQH32MN180J23L","rawCanonicalId":null},"summary":{"shortDescription":"Murata Electronics LQH32 series drum core wirewound inductor, LQH32MN180J23L, 18 µH ±5%, 165 mA, unshielded, 1210 surface mount.","salesMarkdown":"## Inductance and current rating for filter and bias circuits The LQH32MN180J23L is a drum core wirewound inductor from Murata's LQH32 series, offering 18 µH inductance with ±5% tolerance. The 165 mA current rating defines the DC bias limit — exceeding this saturates the core and collapses the inductance, so the steady-state load plus ripple current must stay below this figure. Maximum DC resistance is 2.5 Ohm, which at 165 mA produces a copper loss of about 68 mW. ## Self-resonant frequency and Q factor Self-resonant frequency is 15 MHz. Above this point the inductor's parasitic capacitance dominates and the impedance becomes capacitive — the part is usable as an inductor only well below 15 MHz, typically up to a few MHz for power filtering or signal decoupling. Q factor is 35 at 1 MHz, indicating moderate energy storage efficiency at that test frequency. For applications requiring higher Q (tuned circuits, narrowband filters), a different core material or construction may be needed. ## Package and board integration The unshielded construction means magnetic flux couples to nearby traces and components — keep sensitive analog or RF circuits at least a few mm away, or use a shielded inductor if coupling is a concern.","metaTitle":"Murata LQH32MN180J23L Inductor, 18 µH, 165 mA, 1210","metaDescription":"Murata LQH32MN180J23L drum core wirewound inductor, 18 µH ±5%, 165 mA, 2.5 Ohm DCR, 15 MHz SRF, -40°C to 85°C. Active production, available 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":"LQH32","Package":"Tape & Reel (TR)","Ratings":"-","Q @ Freq":"35 @ 1MHz","Shielding":"Unshielded","Tolerance":"±5%","Inductance":"18 µH","Mounting Type":"Surface Mount","Package / Case":"Nonstandard","Product Status":"Active","Material - Core":"Ferrite","lifecycle_stage":"unknown","Size / Dimension":"0.126\\\" L x 0.098\\\" W (3.20mm x 2.50mm)","Base Product Number":"LQH32MN","DC Resistance (DCR)":"2.5Ohm Max","Current Rating (Amps)":"165 mA","Height - Seated (Max)":"0.087\\\" (2.20mm)","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"1210","Frequency - Self Resonant":"15MHz","Current - Saturation (Isat)":"-","Inductance Frequency - Test":"1 MHz"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.1278","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/cfd82089124c69e5e21a12ea773111de.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the inductance and current rating of LQH32MN180J23L?","answer":"Inductance is 18 µH with ±5% tolerance, and the DC current rating is 165 mA. The maximum DC resistance is 2.5 Ohm."},{"question":"What is the self-resonant frequency of LQH32MN180J23L?","answer":"The self-resonant frequency is 15 MHz. The inductor is effective as an inductive element only well below this frequency."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/murata-electronics/LQH32MN180J23L","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/murata-electronics/LQH32MN180J23L 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}}