{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LQH32MN331J23L","brand":"Murata Electronics","brandSlug":"murata-electronics","productSlug":"LQH32MN331J23L","canonicalUrl":"https://icboms.com/murata-electronics/LQH32MN331J23L","factsUrl":"https://icboms.com/api/mcp/products/LQH32MN331J23L","rawCanonicalId":null},"summary":{"shortDescription":"Murata Electronics LQH32 series, Drum Core Wirewound Inductor, 330 µH, ±5%, 65 mA, 13 Ohm DCR, Unshielded, Surface Mount, 1210 (3225 Metric).","salesMarkdown":"## 330 µH ferrite-core wirewound for filtering and bias-T applications The Murata LQH32MN331J23L is a 330 µH unshielded wirewound inductor in the LQH32 series, wound on a ferrite drum core and housed in a 1210 (3225 Metric) surface-mount package. Rated for 65 mA DC with a maximum DC resistance of 13 Ω, this part is sized for low-current filtering, decoupling, and bias-T networks where the inductance value matters more than current handling. ## Self-resonant frequency and Q factor — where the part stops being an inductor The self-resonant frequency is 5 MHz; above that the component behaves capacitively and the effective inductance drops off. For a 330 µH value this is a typical SRF — the winding capacitance sets the ceiling. Q factor is 40 at 796 kHz, measured at the test frequency of 1 MHz. This Q is moderate for a wirewound ferrite-core inductor — expect higher core losses than an air-core at the same inductance, but the ferrite keeps the package small. For a 1210 footprint the ferrite core and unshielded construction are the main constraints on ambient temperature rise. ## Unshielded construction — watch the board-level coupling This is an unshielded drum-core inductor. The magnetic field radiates from the open side of the core — adjacent traces carrying sensitive analog signals or high-impedance nodes should be kept at least one part-width away to avoid parasitic coupling. The ±5% tolerance on 330 µH is tight enough for resonant tank and filter designs that need a predictable L value without trimming.","metaTitle":"Murata LQH32MN331J23L 330µH Unshielded Wirewound Inductor","metaDescription":"Murata LQH32MN331J23L drum core wirewound inductor, 330µH ±5%, 65mA, 13Ω DCR, 5MHz SRF. Active production, surface mount 1210. 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":"LQH32","Package":"Tape & Reel (TR); Cut Tape (CT)","Ratings":"-","Q @ Freq":"40 @ 796kHz","Shielding":"Unshielded","Tolerance":"±5%","Inductance":"330 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)":"13Ohm Max","Current Rating (Amps)":"65 mA","Height - Seated (Max)":"0.087\\\" (2.20mm)","Operating Temperature":"-40°C~85°C","Supplier Device Package":"1210 (3225 Metric)","Frequency - Self Resonant":"5MHz","Current - Saturation (Isat)":"-","Inductance Frequency - Test":"1 MHz"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3100","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/cfd82089124c69e5e21a12ea773111de.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to LQH32MN331J23L in this Inductors & Chokes family?","answer":"No official second-source or pin-compatible alternative is recorded for this specific order code. The LQH32 series includes other inductance values and tolerances in the same 1210 footprint, but a direct drop-in with identical 330 µH ±5% and 65 mA rating would require a parametric search within the series."},{"question":"What compliance documentation does Murata Electronics provide for LQH32MN331J23L?","answer":"Murata provides RoHS and REACH compliance documentation for the LQH32MN331J23L as standard. No UL or IEC certification is listed in the available specifications for this inductor."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/murata-electronics/LQH32MN331J23L","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/murata-electronics/LQH32MN331J23L 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}}