{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"IRFZ44NSTRR","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"IRFZ44NSTRR","canonicalUrl":"https://icboms.com/infineon/IRFZ44NSTRR","factsUrl":"https://icboms.com/api/mcp/products/IRFZ44NSTRR","rawCanonicalId":null},"summary":{"shortDescription":"International Rectifier HEXFET N-Channel MOSFET, 55 V drain-source, 49 A continuous drain, 17.5 mΩ Rds(on) at 10 V drive, D2PAK surface mount, -55°C to 175°C junction.","salesMarkdown":"## Obsolete — no direct successor on record The IRFZ44NSTRR carries an obsolete lifecycle status per the manufacturer. ## D2PAK surface-mount — footprint and thermal path The TO-263-3 (D²Pak) package with two leads and a tab is a surface-mount power package.","metaTitle":"IRFZ44NSTRR N-Channel MOSFET, 55V 49A D2PAK, Obsolete","metaDescription":"IRFZ44NSTRR HEXFET N-Channel MOSFET, 55V drain-source, 49A continuous, 17.5mΩ Rds(on) at 10V. D2PAK surface mount.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"Infineon Technologies","Series":"HEXFET®","Package":"Tape & Reel (TR)","FET Type":"N-Channel","Vgs (Max)":"±20V","Technology":"MOSFET (Metal Oxide)","FET Feature":"-","Mounting Type":"Surface Mount","Package / Case":"TO-263-3, D²Pak (2 Leads + Tab), TO-263AB","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"4V @ 250µA","Operating Temperature":"-55°C~175°C(TJ)","Rds On (Max) @ Id, Vgs":"17.5mOhm @ 25A, 10V","Power Dissipation (Max)":"3.8W (Ta), 94W (Tc)","Supplier Device Package":"D2PAK","Gate Charge (Qg) (Max) @ Vgs":"63 nC @ 10 V","Drain to Source Voltage (Vdss)":"55 V","Input Capacitance (Ciss) (Max) @ Vds":"1470 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"49A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.7600","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/1ea212fe0ccd0fa5722623cdee6eaf3a.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/IRFZ44NSTRR/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for IRFZ44NSTRR?","answer":"Qualification testing on the alternate is recommended before committing the BOM."},{"question":"What are the specifications of IRFZ44NSTRR?","answer":"It comes in a D2PAK (TO-263-3) surface-mount package."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/IRFZ44NSTRR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/IRFZ44NSTRR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T15:46:28.967Z","lastPublished":"2026-07-16T15:46:28.967Z","indexable":true}}