{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STTH1202DI","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STTH1202DI","canonicalUrl":"https://icboms.com/stmicroelectronics/STTH1202DI","factsUrl":"https://icboms.com/api/mcp/products/STTH1202DI","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STTH1202DI fast recovery diode, 200 V reverse, 12 A average rectified, 35 ns reverse recovery time, TO-220AC insulated through-hole package.","salesMarkdown":"That trr puts it in the class of ultrafast diodes suited for high-frequency rectification in switch-mode power supplies and freewheeling circuits, where recovery charge directly impacts switching losses and EMI. ## 12 A average current and 200 V blocking Rated for 12 A average rectified current (Io) and 200 V DC reverse voltage (Vr max). Forward voltage drop is 1.1 V at 12 A; reverse leakage is 10 µA at 200 V. ## TO-220AC insulated package — mounting and thermal path Junction temperature rating goes to 175 °C.","metaTitle":"STTH1202DI Fast Recovery Diode, 200 V, 12 A, 35 ns trr","metaDescription":"STTH1202DI fast recovery diode: 200 V, 12 A, 35 ns trr, TO-220AC insulated.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"STMicroelectronics","Speed":"Fast Recovery =< 500ns, > 200mA (Io)","Series":"-","Package":"Tube","Technology":"Standard","Mounting Type":"Through Hole","Package / Case":"TO-220-2 Insulated, TO-220AC","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Base Product Number":"STTH120","Capacitance @ Vr, F":"-","Supplier Device Package":"TO-220AC ins","Reverse Recovery Time (trr)":"35 ns","Current - Reverse Leakage @ Vr":"10 µA @ 200 V","Voltage - DC Reverse (Vr) (Max)":"200 V","Current - Average Rectified (Io)":"12A","Operating Temperature - Junction":"175°C (Max)","Voltage - Forward (Vf) (Max) @ If":"1.1 V @ 12 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.1700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/0b50321e38e980b44bfabb7b6eb840aa.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STTH1202DI/alternatives.json"},"ai":{"faq":[{"question":"What is the difference between STTH1202DI and STTH1202?","answer":"The STTH1202DI uses the TO-220AC insulated (full-pack) package, where the metal tab is fully encapsulated. The STTH1202 uses a standard TO-220AC with an exposed metal tab. Electrically they share the same 200 V, 12 A, 35 ns trr ratings, but the DI variant eliminates the need for an insulating pad between the device and heatsink."},{"question":"What is STTH1202DI's reverse recovery time?","answer":"The reverse recovery time (trr) is 35 ns, making it a fast recovery diode suitable for switching frequencies where recovery losses matter."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STTH1202DI","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STTH1202DI 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}}