{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STP5NB40","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STP5NB40","canonicalUrl":"https://icboms.com/stmicroelectronics/STP5NB40","factsUrl":"https://icboms.com/api/mcp/products/STP5NB40","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics PowerMESH™ series, N-Channel MOSFET, 400 V Vdss, 4.7 A Id, 1.8 Ohm Rds(on) @ 10 V, TO-220-3 through-hole package, 150°C junction temperature.","salesMarkdown":"## 400 V PowerMESH™ N-channel in a TO-220 The STP5NB40: The 1.8 Ohm maximum on-resistance is specified at 10 V gate drive with 2.3 A drain current. Gate charge totals 20 nC at 10 V. Buyers should qualify any alternate part for form, fit, and function before committing a board spin.","metaTitle":"STP5NB40 N-Channel Power MOSFET, 400 V, 4.7 A, TO-220","metaDescription":"STMicroelectronics STP5NB40 N-channel PowerMESH MOSFET, 400 V Vdss, 4.7 A Id, 1.8 Ohm Rds(on). TO-220 package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"STMicroelectronics","Series":"PowerMESH™","Package":"Tube","FET Type":"N-Channel","Vgs (Max)":"±30V","Technology":"MOSFET (Metal Oxide)","FET Feature":"-","Mounting Type":"Through Hole","Package / Case":"TO-220-3","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"5V @ 250µA","Base Product Number":"STP5N","Operating Temperature":"150°C (TJ)","Rds On (Max) @ Id, Vgs":"1.8Ohm @ 2.3A, 10V","Power Dissipation (Max)":"80W (Tc)","Supplier Device Package":"TO-220","Gate Charge (Qg) (Max) @ Vgs":"20 nC @ 10 V","Drain to Source Voltage (Vdss)":"400 V","Input Capacitance (Ciss) (Max) @ Vds":"405 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"4.7A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/0f02ab0ee11d25a4d86034ccc99bbf7c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STP5NB40/alternatives.json"},"ai":{"faq":[{"question":"Is STP5NB40 obsolete?","answer":"Yes, the STP5NB40 is listed as Obsolete. It is no longer manufactured by STMicroelectronics."},{"question":"What is the replacement for STP5NB40?","answer":"A functionally similar 400 V N-channel MOSFET in a TO-220 package from the same or another manufacturer would need to be evaluated for gate drive voltage, Rds(on), and switching performance before substitution."},{"question":"Where can I buy STP5NB40?","answer":"Submit an RFQ to confirm current availability and pricing — no stock count or lead-time number is published here."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STP5NB40","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STP5NB40 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}}