{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STD5NK52ZD-1","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STD5NK52ZD-1","canonicalUrl":"https://icboms.com/stmicroelectronics/STD5NK52ZD-1","factsUrl":"https://icboms.com/api/mcp/products/STD5NK52ZD-1","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STD5NK52ZD-1, N-Channel MOSFET, SuperMESH™, 520 Vdss, 4.4 A, 1.5 Ohm Rds(on) @ 10 V, 16.9 nC Qg, TO-251-3 (I-PAK), Through Hole, -55°C to 150°C.","salesMarkdown":"## 520 V N-channel MOSFET for off-line power conversion The TO-251 I-PAK through-hole package suits single-sided boards or designs where a heatsink is soldered to the tab. ## On-resistance and gate charge — the switching loss trade-off Rds(on) of 1.5 Ohm at 10 V is moderate for a 520 V device; conduction loss at 2 A is about 6 W, which the 70 W package dissipation can handle with adequate heatsinking. The 16.9 nC total gate charge keeps the gate-drive energy low, so a small-signal MOSFET driver or a PWM controller output can switch it at 100 kHz without excessive driver dissipation. Input capacitance of 529 pF at 25 V means the Miller plateau is manageable for most offline controllers. It is no longer manufactured by STMicroelectronics and has no official successor listed. Buyers needing this exact part for repair, legacy BOM, or last-time-buy fulfillment should source through independent distribution. ## Temperature grade and application environment The wide temperature margin also supports derating for reliability in long-life designs.","metaTitle":"STD5NK52ZD-1 N-Channel MOSFET, 520 V, 1.5 Ohm, SuperMESH","metaDescription":"STD5NK52ZD-1 N-channel MOSFET, 520 Vdss, 4.4 A, 1.5 Ohm Rds(on). SuperMESH series, TO-251 (I-PAK). Request quote.","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","Operating Temperature":"-55°C ~ 150°C (TJ)","Rds On (Max) @ Id, Vgs":"1.5Ohm @ 2.2A, 10V","Power Dissipation (Max)":"70W (Tc)","Supplier Device Package":"I-PAK","Gate Charge (Qg) (Max) @ Vgs":"16.9 nC @ 10 V","Drain to Source Voltage (Vdss)":"520 V","Input Capacitance (Ciss) (Max) @ Vds":"529 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"4.4A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8deb32647e2c95319801ede098d79995.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STD5NK52ZD-1/alternatives.json"},"ai":{"faq":[{"question":"What is the equivalent or replacement for STD5NK52ZD-1?","answer":"STMicroelectronics has not published an official replacement for the STD5NK52ZD-1. A cross-reference search should target N-channel MOSFETs in the TO-251 (I-PAK) package with 520 V Vdss, 4.4 A Id, and 1.5 Ohm Rds(on) or lower. Parts from the SuperMESH family with similar ratings (e.g., STD5NK50Z series) may be pin-compatible, but verify the gate charge and threshold voltage against the application."},{"question":"Where can I buy STD5NK52ZD-1?","answer":"Submit an RFQ for current availability and pricing; we confirm both at quote time. No stock or price figures are published here."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STD5NK52ZD-1","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STD5NK52ZD-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}}