{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"IRFZ44ESTRL","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"IRFZ44ESTRL","canonicalUrl":"https://icboms.com/infineon/IRFZ44ESTRL","factsUrl":"https://icboms.com/api/mcp/products/IRFZ44ESTRL","rawCanonicalId":null},"summary":{"shortDescription":"IRFZ44ESTRL, Infineon HEXFET® N-Channel MOSFET, 60 V drain-source, 48 A continuous drain, 23 mΩ Rds(on) at 10 V, D2PAK surface mount, -55°C to 175°C junction temperature.","salesMarkdown":"The IRFZ44ESTRL: The D2PAK (TO-263) surface-mount package with a large exposed tab means the thermal path relies on the PCB copper pour and via stitching under the tab to pull heat away. ## Obsolete — sourcing reality for production BOMs Sourcing is limited to the surplus and broker market, where availability and pricing vary with inventory age and quantity. Any BOM line using this part should be qualified for a replacement before the next build cycle. ## Package and thermal — D2PAK layout notes","metaTitle":"IRFZ44ESTRL N-Channel MOSFET, 60V 48A D2PAK, Obsolete","metaDescription":"IRFZ44ESTRL N-Channel HEXFET MOSFET: 60 Vdss, 48 A continuous drain, 23 mΩ Rds(on) at 10 V. 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":"23mOhm @ 29A, 10V","Power Dissipation (Max)":"110W (Tc)","Supplier Device Package":"D2PAK","Gate Charge (Qg) (Max) @ Vgs":"60 nC @ 10 V","Drain to Source Voltage (Vdss)":"60 V","Input Capacitance (Ciss) (Max) @ Vds":"1360 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"48A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.3200","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8297556801f20f300fea4d4f2904bb7f.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/IRFZ44ESTRL/alternatives.json"},"ai":{"faq":[{"question":"Is IRFZ44ESTRL obsolete?","answer":"Yes, the IRFZ44ESTRL is listed as obsolete by Infineon. No factory production remains; all sourcing is through the surplus and broker market."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/IRFZ44ESTRL","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/IRFZ44ESTRL when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T14:41:03.646Z","lastPublished":"2026-07-16T14:41:03.646Z","indexable":true}}