{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STP7NK40ZFP","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STP7NK40ZFP","canonicalUrl":"https://icboms.com/stmicroelectronics/STP7NK40ZFP","factsUrl":"https://icboms.com/api/mcp/products/STP7NK40ZFP","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics SuperMESH N-Channel MOSFET, 400 V Vdss, 5.4 A continuous drain, 1 Ohm Rds(on) at 10 V gate drive, TO-220-3 Full Pack (TO-220FP) through-hole package.","salesMarkdown":"## 400 V N-channel MOSFET in TO-220FP — SuperMESH series The STP7NK40ZFP: The device comes in a TO-220-3 Full Pack (TO-220FP) through-hole package, which provides full isolation from the heatsink — no insulating washer is needed. This part is suited for offline switch-mode power supplies, flyback converters, and other high-voltage switching applications where 400 V blocking and moderate current handling are required. At 2.7 A the dissipation is about 7.3 W, which must be within the 25 W total power dissipation limit at the case. The gate charge is 26 nC at 10 V, so the gate-drive power is modest even at moderate switching frequencies. The input capacitance is 535 pF at 25 V drain-source, which influences the switching speed and gate-driver sizing. Availability is limited to surplus and broker-channel inventory. ## Wide temperature range and isolated package","metaTitle":"STP7NK40ZFP N-Channel MOSFET, 400 V, 5.4 A, 1 Ohm Rds(on)","metaDescription":"STP7NK40ZFP N-Channel MOSFET from STMicroelectronics SuperMESH series. 400 V Vdss, 5.4 A continuous drain, 1 Ohm Rds(on) at 10 V. TO-220FP isolated package.","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":"STP7N","Operating Temperature":"-55°C~150°C(TJ)","Rds On (Max) @ Id, Vgs":"1Ohm @ 2.7A, 10V","Power Dissipation (Max)":"25W (Tc)","Supplier Device Package":"TO-220FP","Gate Charge (Qg) (Max) @ Vgs":"26 nC @ 10 V","Drain to Source Voltage (Vdss)":"400 V","Input Capacitance (Ciss) (Max) @ Vds":"535 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"5.4A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/57c81f9d12edc7738ff91816c8486b2a.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STP7NK40ZFP/alternatives.json"},"ai":{"faq":[{"question":"What is the direct replacement or equivalent for STP7NK40ZFP?","answer":"For a new design, consider a current-production 400 V N-channel MOSFET in a TO-220FP package with similar Rds(on) and current rating. The STP7NK40ZFP is obsolete, so sourcing is limited to surplus inventory."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STP7NK40ZFP","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STP7NK40ZFP 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}}