{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STF4NK50ZD","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STF4NK50ZD","canonicalUrl":"https://icboms.com/stmicroelectronics/STF4NK50ZD","factsUrl":"https://icboms.com/api/mcp/products/STF4NK50ZD","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics SuperMESH™ STF4NK50ZD, N-Channel MOSFET, 500 V Vdss, 3 A Id, 2.7 Ω Rds(on), TO-220-3 Full Pack, -55 to 150 °C.","salesMarkdown":"Junction temperature range is -55 to 150 °C, covering automotive under-hood and industrial environments. ## Sourcing an obsolete part STMicroelectronics lists the STF4NK50ZD as Obsolete. The base product number is STF4N, which may help identify functionally similar devices in the same family, but pin-compatibility and parametric match must be verified per design.","metaTitle":"STF4NK50ZD N-Channel MOSFET, 500 V, 3 A, SuperMESH, TO-220FP","metaDescription":"STF4NK50ZD N-channel 500 V 3 A MOSFET in TO-220 Full Pack.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"STMicroelectronics","Series":"SuperMESH™","Package":"Tube","FET Type":"N-Channel","Vgs (Max)":"±30V","Technology":"MOSFET (Metal Oxide)","FET Feature":"-","Mounting Type":"Through Hole","Package / Case":"TO-220-3 Full Pack","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"4.5V @ 50µA","Base Product Number":"STF4N","Operating Temperature":"-55°C~150°C(TJ)","Rds On (Max) @ Id, Vgs":"2.7Ohm @ 1.5A, 10V","Power Dissipation (Max)":"20W (Tc)","Supplier Device Package":"TO-220FP","Gate Charge (Qg) (Max) @ Vgs":"12 nC @ 10 V","Drain to Source Voltage (Vdss)":"500 V","Input Capacitance (Ciss) (Max) @ Vds":"310 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"3A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/819e551dad59ed14f06c062061088b21.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STF4NK50ZD/alternatives.json"},"ai":{"faq":[{"question":"Is the STF4NK50ZD obsolete?","answer":"Yes, STMicroelectronics has marked the STF4NK50ZD as Obsolete. No direct replacement or successor part number has been issued by the manufacturer."},{"question":"What is the STF4NK50ZD equivalent?","answer":"There is no official equivalent from STMicroelectronics. The base product number STF4N covers the family, but any substitute must be evaluated for 500 V drain-source, 3 A continuous current, 2.7 Ω Rds(on), and the TO-220 Full Pack package."},{"question":"Where can I buy the STF4NK50ZD?","answer":"Submit an RFQ for current availability and pricing — no stock-holding claim is made here."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STF4NK50ZD","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STF4NK50ZD 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}}