{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"IRLZ44ZPBF","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"IRLZ44ZPBF","canonicalUrl":"https://icboms.com/infineon/IRLZ44ZPBF","factsUrl":"https://icboms.com/api/mcp/products/IRLZ44ZPBF","rawCanonicalId":null},"summary":{"shortDescription":"Infineon HEXFET® IRLZ44ZPBF, N-Channel MOSFET, 55 V Vdss, 51 A continuous drain, 13.5 mOhm Rds(on) at 10 V, TO-220-3, -55°C to 175°C.","salesMarkdown":"## Last-time-buy — plan the BOM move now Sourcing through independent distribution can fill bridge quantities, but the design should plan for a substitute before the LTB window closes. Because the IRLZ44ZPBF is in Last Buy status, standard distributor stock may be depleted.","metaTitle":"IRLZ44ZPBF HEXFET N-Channel MOSFET, 55 V, 51 A, TO-220","metaDescription":"IRLZ44ZPBF HEXFET N-Channel MOSFET: 55 V Vdss, 51 A continuous drain, 13.5 mOhm Rds(on) at 10 V. Last Buy status.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Last Buy","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"Infineon Technologies","Series":"HEXFET®","Package":"Tube","FET Type":"N-Channel","Vgs (Max)":"±16V","Technology":"MOSFET (Metal Oxide)","FET Feature":"-","Mounting Type":"Through Hole","Package / Case":"TO-220-3","Product Status":"Not For New Designs","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"3V @ 250µA","Base Product Number":"IRLZ44","Operating Temperature":"-55°C~175°C(TJ)","Rds On (Max) @ Id, Vgs":"13.5mOhm @ 31A, 10V","Power Dissipation (Max)":"80W (Tc)","Supplier Device Package":"TO-220AB","Gate Charge (Qg) (Max) @ Vgs":"36 nC @ 5 V","Drain to Source Voltage (Vdss)":"55 V","Input Capacitance (Ciss) (Max) @ Vds":"1620 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"4.5V, 10V","Current - Continuous Drain (Id) @ 25°C":"51A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.5549","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8b115a363070061375a79c3374690212.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/IRLZ44ZPBF/alternatives.json"},"ai":{"faq":[{"question":"Is IRLZ44ZPBF obsolete?","answer":"The IRLZ44ZPBF is in Last Buy status — Infineon has announced end-of-life, and the final purchasing window is open. It is not yet obsolete, but production will cease after the last-time-buy period."},{"question":"What is the replacement for IRLZ44ZPBF?","answer":"A pin-compatible N-channel TO-220 MOSFET with similar Vdss (55 V), continuous drain current (51 A), and Rds(on) (13.5 mOhm at 10 V) would be the closest functional alternative, but qualification testing is required before substitution."},{"question":"What are the specifications of IRLZ44ZPBF?","answer":"The IRLZ44ZPBF is an N-channel HEXFET MOSFET in a TO-220-3 package."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/IRLZ44ZPBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/IRLZ44ZPBF when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}