{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STD1NK80Z-1","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STD1NK80Z-1","canonicalUrl":"https://icboms.com/stmicroelectronics/STD1NK80Z-1","factsUrl":"https://icboms.com/api/mcp/products/STD1NK80Z-1","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics SuperMESH™ N-Channel MOSFET, STD1NK80Z-1, 800 V Vdss, 1 A Id, 16 Ohm Rds(on), 7.7 nC Qg, TO-251 IPAK, -55°C to 150°C.","salesMarkdown":"## 800 V, 1 A N-channel MOSFET in TO-251 IPAK It is housed in a through-hole TO-251 (IPAK) package with short leads, intended for low-power offline switch-mode power supplies, flyback converters, and auxiliary power stages where high-voltage blocking and moderate current handling are needed. ## Key ratings and design fit The 800 V Vdss rating provides ample margin for 240 VAC rectified rails (≈340 VDC) and flyback reflected voltages up to 700 V, making this part suitable for universal-input offline converters up to about 15 W. The 1 A continuous current at 25°C derates with case temperature; at 100°C the usable current drops to roughly 0.6 A, so the load budget must account for thermal derating in enclosed supplies. The 16 Ohm Rds(on) is relatively high by modern standards, but for low-duty-cycle flyback primaries the conduction loss is acceptable — the dominant loss is often switching, and the 7.7 nC gate charge helps keep drive power low.","metaTitle":"STD1NK80Z-1 SuperMESH N-Channel MOSFET, 800 V, 1 A, TO-251","metaDescription":"STD1NK80Z-1 N-channel 800 V 1 A MOSFET in TO-251 IPAK. SuperMESH series.","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-251-3 Short Leads, IPak, TO-251AA","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"4.5V @ 50µA","Base Product Number":"STD1NK80","Operating Temperature":"-55°C~150°C(TJ)","Rds On (Max) @ Id, Vgs":"16Ohm @ 500mA, 10V","Power Dissipation (Max)":"45W (Tc)","Supplier Device Package":"TO-251 (IPAK)","Gate Charge (Qg) (Max) @ Vgs":"7.7 nC @ 10 V","Drain to Source Voltage (Vdss)":"800 V","Input Capacitance (Ciss) (Max) @ Vds":"160 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"1A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.1700","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/314b54700035eb0c074cd7ee506db40a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is STD1NK80Z-1 obsolete?","answer":"Yes, the STD1NK80Z-1 is listed as obsolete. It is no longer manufactured by STMicroelectronics. For existing BOM lines, the part can be sourced through independent distribution on a quoted-to-order basis."},{"question":"What is the replacement for STD1NK80Z-1?","answer":"A pin-compatible alternative in the same SuperMESH family is the STP1NK80Z (TO-220 package), but verify footprint and thermal fit for your board. For new designs, consider current-production 800 V N-channel MOSFETs with similar Rds(on) and gate charge from ST's MDmesh series."},{"question":"Is STD1NK80Z-1 equivalent to STP1NK80Z?","answer":"The STP1NK80Z shares the same 800 V / 1 A / 16 Ohm ratings and SuperMESH technology but comes in a TO-220 through-hole package. The STD1NK80Z-1 is the TO-251 IPAK variant with shorter leads. Electrically they are equivalent, but the package difference affects mounting and thermal dissipation — verify the footprint before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STD1NK80Z-1","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STD1NK80Z-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}}