{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STTH4R02S","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STTH4R02S","canonicalUrl":"https://icboms.com/stmicroelectronics/STTH4R02S","factsUrl":"https://icboms.com/api/mcp/products/STTH4R02S","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STTH4R02S, Fast Recovery Diode, Standard type, 200 V DC reverse, 4 A average rectified, 30 ns trr, 1.05 Vf, SMC surface mount, 175 °C junction.","salesMarkdown":"## 30 ns recovery — the spec that keeps the snubber cool The STTH4R02S is a 200 V, 4 A fast recovery diode from STMicroelectronics, built for circuits where a standard recovery part would ring the node and burn passives. The 30 ns reverse recovery time is the key differentiator — it keeps the stored charge low enough that a PFC boost or flyback clamp can run without a heavy snubber. ## 175 °C junction — thermal headroom in a SMC body The maximum junction temperature is rated at 175 °C, which gives real margin in a SMC package when the diode is mounted on a standard FR-4 pad. Reverse leakage at 200 V is 3 µA — negligible at room temperature, but it climbs with junction heat; the 175 °C ceiling means the leakage current stays within the thermal budget even under sustained full-load conditions.","metaTitle":"STTH4R02S Diode, 200 V 4 A, 30 ns trr, SMC Package","metaDescription":"STTH4R02S: 200 V, 4 A fast recovery diode, 30 ns trr, 1.05 Vf at 4 A, 175 °C Tj max. SMC surface mount. Active, ROHS3 compliant.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"STMicroelectronics","Speed":"Fast Recovery =< 500ns, > 200mA (Io)","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Diode Type":"Standard","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","Product Status":"Active","lifecycle_stage":"eol_hot","Base Product Number":"STTH4R02","Capacitance @ Vr, F":"-","Supplier Device Package":"SMC","Reverse Recovery Time (trr)":"30 ns","Current - Reverse Leakage @ Vr":"3 µA @ 200 V","Voltage - DC Reverse (Vr) (Max)":"200 V","Current - Average Rectified (Io)":"4A","Operating Temperature - Junction":"175°C(Max)","Voltage - Forward (Vf) (Max) @ If":"1.05 V @ 4 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.5800","priceTiers":[{"qty":1,"price":"$0.58000","currency":"USD"},{"qty":10,"price":"$0.49500","currency":"USD"},{"qty":100,"price":"$0.34400","currency":"USD"},{"qty":500,"price":"$0.26858","currency":"USD"},{"qty":1000,"price":"$0.21831","currency":"USD"},{"qty":2500,"price":"$0.19516","currency":"USD"},{"qty":5000,"price":"$0.18523","currency":"USD"},{"qty":12500,"price":"$0.17200","currency":"USD"},{"qty":25000,"price":"$0.16803","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/6ff59b5fa03d09cd172915f6b2c663f4.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STTH4R02S/alternatives.json"},"ai":{"faq":[{"question":"Is STTH4R02S RoHS compliant?","answer":"Yes, the STTH4R02S is ROHS3 compliant. No exemption issues for lead-free assembly."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STTH4R02S","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STTH4R02S 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}}