{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"IRLZ44NSTRR","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"IRLZ44NSTRR","canonicalUrl":"https://icboms.com/infineon/IRLZ44NSTRR","factsUrl":"https://icboms.com/api/mcp/products/IRLZ44NSTRR","rawCanonicalId":null},"summary":{"shortDescription":"Infineon HEXFET® series, IRLZ44NSTRR, N-Channel MOSFET, 55 V drain-source, 47 A continuous drain, 22 mOhm Rds(on) at 10 V, logic-level gate drive, D2PAK surface mount, -55 to 175 °C junction temperature.","salesMarkdown":"Its on-resistance maxes at 22 mOhm when driven with 10 V on the gate at 25 A — that is the number you plug into the conduction loss calculation for a motor drive or DC-DC converter. The logic-level gate-drive spec (rated for 4 V and 10 V) means a 5 V microcontroller output can pull the gate above threshold without a separate driver stage, though the 48 nC gate charge at 5 V still needs a driver with enough peak current to keep switching edges clean. ## D2PAK surface-mount — footprint and thermal reality The D2PAK (TO-263-3) package with exposed tab is the surface-mount version of the TO-220. At ambient, with no heatsink, derate to 3.8 W. The IRLZ44NSTRR is listed as obsolete. A pin-compatible surface-mount substitute would need to match the D2PAK footprint, 55 V Vdss, and logic-level threshold; the IRLR8726PbF in DPAK or the IRLB8748PbF in D2PAK are worth evaluating, but neither is a guaranteed second source.","metaTitle":"IRLZ44NSTRR HEXFET N-Channel MOSFET, 55V 47A, D2PAK","metaDescription":"IRLZ44NSTRR N-channel HEXFET MOSFET in D2PAK. 55 Vdss, 47 A Id, 22 mOhm Rds(on) at 10 V. Request quote.","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)":"±16V","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":"2V @ 250µA","Operating Temperature":"-55°C ~ 175°C (TJ)","Rds On (Max) @ Id, Vgs":"22mOhm @ 25A, 10V","Power Dissipation (Max)":"3.8W (Ta), 110W (Tc)","Supplier Device Package":"D2PAK","Gate Charge (Qg) (Max) @ Vgs":"48 nC @ 5 V","Drain to Source Voltage (Vdss)":"55 V","Input Capacitance (Ciss) (Max) @ Vds":"1700 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"4V, 10V","Current - Continuous Drain (Id) @ 25°C":"47A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.3900","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/9f5ac89aa50c6591bd055ed3089bffdf.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the Rds(on) of the IRLZ44NSTRR?","answer":"The maximum on-resistance is 22 mOhm at 25 A drain current with 10 V gate drive. At 4 V gate drive (logic-level minimum) the Rds(on) is higher — the datasheet curve should be checked for the exact value at your operating point."},{"question":"Where can I buy the IRLZ44NSTRR?","answer":"It is available to order against an RFQ — submit a request for current availability and pricing. No stock or price is listed on this page."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/IRLZ44NSTRR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/IRLZ44NSTRR 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}}