{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STD7NM80-1","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STD7NM80-1","canonicalUrl":"https://icboms.com/stmicroelectronics/STD7NM80-1","factsUrl":"https://icboms.com/api/mcp/products/STD7NM80-1","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STD7NM80-1, N-Channel MOSFET, MDmesh™ series, 800 V Vdss, 6.5 A continuous drain, 1.05 Ohm Rds(on) at 10 V, 18 nC gate charge, TO-251 (IPAK) through-hole package, -55°C to 150°C operating junction temperature.","salesMarkdown":"## 800 V N-channel MOSFET for offline power stages It is built with ST's MDmesh™ technology, a multi-drain mesh layout that reduces on-resistance per unit area for high-voltage switching. The TO-251 (IPAK) through-hole package saves board height compared to a full TO-220, making it a fit for compact PSU modules and adapter designs where vertical clearance is tight. If a pin-compatible drop-in replacement is needed, the STP7NM80 (same die in a TO-220 package) is a common cross-shop candidate, though the package difference (TO-220 vs TO-251) changes the board footprint and thermal interface. No official ST successor order code is listed for the TO-251 variant. ## Key ratings that drive the selection The 800 V Vdss rating is the headline spec — it allows the MOSFET to block the rectified DC bus in universal-input offline supplies (up to 400 V nominal) with healthy margin for switching transients. The 1.05 Ohm Rds(on) at 10 V gate drive means conduction losses will be noticeable at currents above 2 A; for a 6.5 A rated device, the actual operating point in a typical flyback will be 1–3 A, where the dissipation is manageable with the TO-251's junction-to-case thermal resistance. Gate charge is 18 nC at 10 V, a moderate figure that keeps driver losses low in high-frequency switching (60–100 kHz range). Input capacitance is 620 pF at 25 V drain-source, which is low enough that the gate drive power requirement is modest — a benefit in self-biased or low-power controller designs.","metaTitle":"STD7NM80-1 N-Channel MOSFET, 800 V, 6.5 A, MDmesh™, TO-251","metaDescription":"STD7NM80-1 N-channel 800 V MOSFET with 1.05 Ohm Rds(on), 6.5 A continuous drain, TO-251 IPAK.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"STMicroelectronics","Series":"MDmesh™","Package":"Tube","FET Type":"N-Channel","Vgs (Max)":"±30V","Technology":"MOSFET (Metal Oxide)","FET Feature":"-","Mounting Type":"Through Hole","Package / Case":"TO-251-3 Short Leads, IPak, TO-251AA","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"5V @ 250µA","Base Product Number":"STD7","Operating Temperature":"-55°C~150°C(TJ)","Rds On (Max) @ Id, Vgs":"1.05Ohm @ 3.25A, 10V","Power Dissipation (Max)":"90W (Tc)","Supplier Device Package":"TO-251 (IPAK)","Gate Charge (Qg) (Max) @ Vgs":"18 nC @ 10 V","Drain to Source Voltage (Vdss)":"800 V","Input Capacitance (Ciss) (Max) @ Vds":"620 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"6.5A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.0000","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/5c19b7d8c53e22981eec6dd4c18b42e2.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STD7NM80-1/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for STD7NM80-1?","answer":"No official STMicroelectronics successor is listed for the TO-251 (IPAK) variant. The STP7NM80 is a common cross-shop candidate with the same die in a TO-220 package, but the package difference changes the board footprint and thermal pad interface. For a drop-in replacement in the same TO-251 footprint, a parametric search for 800 V, 6.5 A, N-channel MOSFETs in IPAK is needed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STD7NM80-1","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STD7NM80-1 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}}