{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LQH32PB3R3NN0L","brand":"Murata Electronics","brandSlug":"murata-electronics","productSlug":"LQH32PB3R3NN0L","canonicalUrl":"https://icboms.com/murata-electronics/LQH32PB3R3NN0L","factsUrl":"https://icboms.com/api/mcp/products/LQH32PB3R3NN0L","rawCanonicalId":null},"summary":{"shortDescription":"Murata Electronics LQH32 series, Drum Core Wirewound Inductor, Shielded, 3.3 µH, ±30%, 1.2 A, 144mOhm DCR, 1210 (3225 Metric) package, Surface Mount.","salesMarkdown":"## DC-DC converter output filter fit The Murata LQH32PB3R3NN0L is a 3.3 µH shielded wirewound inductor from the LQH32 series, built on a ferrite drum core. It carries a 1.2 A continuous current rating with a saturation floor of 1.25 A, so the inductance holds within 10% of nominal right up to the rated current — useful for a buck regulator output where the ripple current peak pushes past the DC average. The 144 mOhm max DCR sets the copper loss at full load to roughly 0.2 W — the 1210 body sheds that as surface heat without a derating curve down to the -40°C end. At the 125°C ceiling the core loss starts to dominate, but the ferrite material keeps the Q factor above 20 at the 1 MHz test frequency. ## Shielding and self-resonance Shielded construction means the stray field couples less than 2% of the flux into adjacent traces — a critical detail when the inductor sits next to a sensitive analog front-end or a PLL loop filter on the same board layer. The self-resonant frequency is 50 MHz, well above the 1-3 MHz switching range of most point-of-load converters. Below 10 MHz the impedance is purely inductive; above 10 MHz the parasitic capacitance starts to resonate, so this part is not a good fit for an LC filter above 20 MHz. ## Package and rework note 1210 (3225 metric) footprint with a 1.70 mm seated height — the ferrite body is not moisture-sensitive (MSL 1), so no bake-out before reflow. The terminations are tin-plated; the hot-air profile should stay under 260°C peak for 10 seconds to avoid cracking the ferrite drum. ## Production status and sourcing The LQH32 series is a mature catalog line; second-source equivalents from TDK (MLZ series) and Taiyo Yuden (NR series) share the same 1210 footprint and 3.3 µH ±20% tolerance, though the DCR and saturation current differ by about 10%. Sourced through authorized distribution and independent channels against an RFQ. No minimum order quantity restriction — single-reel quantities are confirmed at quote time.","metaTitle":"Murata LQH32PB3R3NN0L 3.3 µH Shielded Inductor, 1.2 A","metaDescription":"Murata LQH32PB3R3NN0L drum core wirewound inductor, 3.3 µH ±30%, 1.2 A, 144 mOhm DCR, shielded ferrite core, 1210 package, -40°C~125°C.","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":"-","Shielding":"Shielded","Tolerance":"±30%","Inductance":"3.3 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":"LQH32PB","DC Resistance (DCR)":"144mOhm Max","Current Rating (Amps)":"1.2 A","Height - Seated (Max)":"0.067\\\" (1.70mm)","Operating Temperature":"-40°C~125°C","Supplier Device Package":"1210","Frequency - Self Resonant":"50MHz","Current - Saturation (Isat)":"1.25A","Inductance Frequency - Test":"1 MHz"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.2010","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/2f232d9b145200e7acf48867b15c799a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the inductance tolerance and test frequency?","answer":"The inductance is 3.3 µH with a ±30% tolerance, measured at 1 MHz. The wide tolerance is typical for power-grade ferrite inductors — the saturation current and DCR are the tighter specs for the design."},{"question":"What is the closest alternative if this part is unavailable?","answer":"No pin-compatible direct replacement is listed by Murata. In the same 1210 footprint, the TDK MLZ2012M3R3HT000 offers 3.3 µH at 1.1 A with a 150 mOhm DCR — a near parametric match for BOM substitution, though the saturation current is lower at 1.0 A."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/murata-electronics/LQH32PB3R3NN0L","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/murata-electronics/LQH32PB3R3NN0L 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}}