{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STP5NK65Z","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STP5NK65Z","canonicalUrl":"https://icboms.com/stmicroelectronics/STP5NK65Z","factsUrl":"https://icboms.com/api/mcp/products/STP5NK65Z","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STP5NK65Z, SuperMESH™ N-Channel MOSFET, 650 V drain-source, 5 A continuous drain at 25°C, 1.8 ohm Rds(on) at 10 V, TO-220-3 through-hole package.","salesMarkdown":"It comes in a TO-220-3 through-hole package, the workhorse three-lead format for offline power supplies, flyback converters, and PFC stages. ST officially lists the STP5NK65Z as Obsolete. For a board that needs this exact part — say, a repair of a power supply that scorched the original — the channel is surplus and broker distribution. The 650 V Vdss gives you headroom for 400 VDC bus rails (typical in power-factor-corrected offline supplies) with derating for ringing and transients. The 5 A continuous rating is at the case temperature of 25°C — real-world derating at elevated case temperatures will reduce that figure, so check the thermal curve in the datasheet. Maximum power dissipation is 85 W at the case — a heatsink is mandatory for any continuous load above an amp or two. The TO-220 package is through-hole, which simplifies heatsink attachment and is a common footprint on existing boards. If you are reworking a board, the three-lead TO-220 is straightforward to desolder and replace — just watch the thermal pad and mounting torque.","metaTitle":"STP5NK65Z N-Channel MOSFET, 650V, 5A, TO-220 - SuperMESH","metaDescription":"STP5NK65Z N-Channel MOSFET, 650V Vdss, 5A Id, 1.8 Ohm Rds(on) at 10V. SuperMESH series, TO-220 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","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"4.5V @ 50µA","Base Product Number":"STP5N","Operating Temperature":"-55°C ~ 150°C (TJ)","Rds On (Max) @ Id, Vgs":"1.8Ohm @ 2.1A, 10V","Power Dissipation (Max)":"85W (Tc)","Supplier Device Package":"TO-220","Gate Charge (Qg) (Max) @ Vgs":"35 nC @ 10 V","Drain to Source Voltage (Vdss)":"650 V","Input Capacitance (Ciss) (Max) @ Vds":"680 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"5A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/e39cb202b746136383338719dd93bb49.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STP5NK65Z/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for STP5NK65Z?","answer":"ST has not published an official successor order code for the STP5NK65Z. For a pin-compatible replacement, look for a 650 V N-channel MOSFET in TO-220 with similar gate charge (around 35 nC) and Rds(on) near 1.8 ohms. The SuperMESH series includes other parts in the same voltage class, but verify the footprint and drive voltage before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STP5NK65Z","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STP5NK65Z 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}}