{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STPSC40H12CWY","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STPSC40H12CWY","canonicalUrl":"https://icboms.com/stmicroelectronics/STPSC40H12CWY","factsUrl":"https://icboms.com/api/mcp/products/STPSC40H12CWY","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STPSC40H12CWY, Silicon Carbide Schottky, 1200 V DC reverse voltage, 20 A average rectified per diode, 1.5 V forward drop at 20 A, zero reverse recovery, TO-247-3 through-hole, AEC-Q101 automotive grade.","salesMarkdown":"## 1200 V SiC Schottky — zero-recovery switching for automotive traction This part carries AEC-Q101 qualification, so the PPAP documentation and grade-level testing are already on file for automotive OEM submission. The zero reverse recovery time means the STPSC40H12CWY contributes no turn-off loss in a hard-switched topology. In a 1200 V silicon PiN diode, the recovery charge at rated current can exceed 10 µC, dumping both loss and EMI into the bridge. This SiC Schottky eliminates that entirely. Forward drop is 1.5 V at 20 A — higher than a comparable PiN at high current, but the total loss at switching frequencies above 20 kHz is lower because the switching component is gone. Leakage at the full 1200 V blocking voltage is 120 µA, which is negligible in a 20 A rail, but worth checking for light-load efficiency targets. ## Junction temperature and package — thermal budget for underhood The TO-247-3 through-hole package is the standard for high-power discrete diodes — the large tab provides a direct thermal path to the heatsink. For a dual-diode common-cathode configuration, both die share the same tab, so the thermal resistance is effectively parallel. The mounting torque and insulator choice follow the TO-247 standard; no special hardware required. For a current-production SiC diode in automotive grade, the typical lead time runs through ST's authorized distribution channel. No replacement is needed — it is still in the active portfolio.","metaTitle":"STPSC40H12CWY SiC Schottky Diode, 1200 V 20 A, AEC-Q101","metaDescription":"ST STPSC40H12CWY silicon carbide Schottky diode, 1200 V reverse voltage, 20 A per diode, zero reverse recovery, AEC-Q101 qualified.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"STMicroelectronics","Speed":"No Recovery Time > 500mA (Io)","Series":"Automotive, AEC-Q101","Package":"Tube","Diode Type":"Silicon Carbide Schottky","Mounting Type":"Through Hole","Package / Case":"TO-247-3","Product Status":"Active","lifecycle_stage":"eol_hot","Diode Configuration":"1 Pair Common Cathode","Supplier Device Package":"TO-247","Reverse Recovery Time (trr)":"0 ns","Current - Reverse Leakage @ Vr":"120 µA @ 1200 V","Voltage - DC Reverse (Vr) (Max)":"1200 V","Operating Temperature - Junction":"-40°C~175°C","Voltage - Forward (Vf) (Max) @ If":"1.5 V @ 20 A","Current - Average Rectified (Io) (per Diode)":"20A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$20.4600","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/870c714ad4db842a344f46e8112f7044.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STPSC40H12CWY/alternatives.json"},"ai":{"faq":[{"question":"Is STPSC40H12CWY qualified for automotive applications?","answer":"Yes. An OEM auditor will expect PPAP documentation — that is available from ST for this part."},{"question":"What is STPSC40H12CWY's listed speed (No Recovery Time > 500mA (Io)) on this component line?","answer":"The listed speed is 'No Recovery Time > 500mA (Io)', which means the diode exhibits zero reverse recovery time at forward currents exceeding 500 mA. This is the defining characteristic of a silicon carbide Schottky diode — there is no minority carrier storage, so no recovery charge to sweep out at turn-off."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STPSC40H12CWY","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STPSC40H12CWY 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}}