{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TYN825RG","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"TYN825RG","canonicalUrl":"https://icboms.com/stmicroelectronics/TYN825RG","factsUrl":"https://icboms.com/api/mcp/products/TYN825RG","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics TYN825RG standard recovery SCR, 800 V off-state, 25 A RMS / 16 A average on-state, 300 A surge, TO-220-3 through-hole package, -40°C to 125°C.","salesMarkdown":"## 800 V off-state, 25 A RMS — phase-control SCR for mains-powered loads The STMicroelectronics TYN825RG is a standard-recovery SCR (silicon-controlled rectifier) in a TO-220-3 through-hole package, rated for 800 V off-state blocking and 25 A RMS on-state current. It is designed for phase-control applications such as motor speed controllers, lighting dimmers, power supplies, and AC switching where a robust, medium-current thyristor is needed. ## 16 A average, 300 A surge — thermal and inrush headroom With a 16 A average on-state current and a non-repetitive surge rating of 300 A at 50 Hz / 314 A at 60 Hz, this SCR can handle capacitor inrush or short-circuit pulses that would weld a smaller device. The 1.6 V maximum on-state voltage sets the conduction loss floor: at 16 A average, expect roughly 25 W dissipation before the heatsink — budget a TO-220-rated sink for continuous use above 10 A. ## Gate trigger and hold current — drive circuit compatibility The gate requires a maximum trigger current of 40 mA and 1.3 V to latch — well within the output capability of a standard optocoupler or small-signal transistor. Once latched, the 50 mA maximum hold current means the SCR stays on until the load current drops below that threshold, which is typical for resistive and inductive loads. The 5 µA maximum off-state leakage is negligible in most designs. ## Industrial temperature range, active production The lifecycle status is active, meaning ST still manufactures it — no last-time-buy risk.","metaTitle":"STMicroelectronics TYN825RG Thyristor SCR, 800 V, 25 A RMS","metaDescription":"Standard recovery SCR, 800 V off-state, 25 A RMS on-state, 16 A average. 300 A surge. -40°C to 125°C. Active production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"STMicroelectronics","Series":"-","Package":"Tube","SCR Type":"Standard Recovery","Mounting Type":"Through Hole","Package / Case":"TO-220-3","Product Status":"Active","lifecycle_stage":"eol_hot","Base Product Number":"TYN825","Voltage - Off State":"800 V","Operating Temperature":"-40°C~125°C","Supplier Device Package":"TO-220","Current - Hold (Ih) (Max)":"50 mA","Current - Off State (Max)":"5 µA","Voltage - On State (Vtm) (Max)":"1.6 V","Current - Gate Trigger (Igt) (Max)":"40 mA","Current - On State (It (AV)) (Max)":"16 A","Voltage - Gate Trigger (Vgt) (Max)":"1.3 V","Current - On State (It (RMS)) (Max)":"25 A","Current - Non Rep. Surge 50, 60Hz (Itsm)":"300A, 314A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.3700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/e28d921bed943d49c38bbba57e83343a.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TYN825RG/alternatives.json"},"ai":{"faq":[{"question":"What is the gate trigger current of TYN825RG?","answer":"The maximum gate trigger current (Igt) is 40 mA, with a maximum gate trigger voltage of 1.3 V."},{"question":"Is TYN825RG lead-free?","answer":"The evidence does not specify RoHS or lead-free status. Verify the specific date-code or contact ST for the latest compliance data."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/TYN825RG","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/TYN825RG when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}