{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STPS1545CR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STPS1545CR","canonicalUrl":"https://icboms.com/stmicroelectronics/STPS1545CR","factsUrl":"https://icboms.com/api/mcp/products/STPS1545CR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STPS1545CR, Schottky rectifier, 45 V reverse voltage, 7.5 A average rectified current per diode, 570 mV forward voltage, 1 pair common cathode, TO-262-3 (I2PAK), through hole.","salesMarkdown":"The 570 mV forward voltage at 7.5 A keeps conduction losses manageable in a 12 V or 24 V output rectifier or OR-ing diode application. It comes in a TO-262-3 (I2PAK) through-hole package, which suits wave-solder assembly and provides a large tab for heatsinking. ## Common-cathode pair — layout and design note The common-cathode configuration (1 Pair Common Cathode) means the two anodes are separate and the cathodes are tied internally. This is the standard topology for a center-tapped secondary rectifier: each anode connects to one end of the transformer winding, the common cathode goes to the output rail. It also works as a dual OR-ing diode for redundant power feeds — two input rails, one shared output. The single I2PAK package saves board area versus two discrete SMD or TO-220 devices. ## 175°C junction — thermal budget for tight enclosures The high Tj max allows the designer to push more current through the device without derating as aggressively as a 150°C-rated Schottky.","metaTitle":"STPS1545CR Schottky Rectifier, 45V 7.5A Common Cathode","metaDescription":"STPS1545CR dual Schottky rectifier: 45V Vr, 7.5A per diode, 570mV Vf, 175°C Tj. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"STMicroelectronics","Speed":"Fast Recovery =< 500ns, > 200mA (Io)","Series":"-","Package":"Tube","Technology":"Schottky","Mounting Type":"Through Hole","Package / Case":"TO-262-3 Long Leads, I²Pak, TO-262AA","Product Status":"Active","lifecycle_stage":"eol_hot","Base Product Number":"STPS1545","Diode Configuration":"1 Pair Common Cathode","Supplier Device Package":"I2PAK","Current - Reverse Leakage @ Vr":"100 µA @ 45 V","Voltage - DC Reverse (Vr) (Max)":"45 V","Operating Temperature - Junction":"175°C (Max)","Voltage - Forward (Vf) (Max) @ If":"570 mV @ 7.5 A","Current - Average Rectified (Io) (per Diode)":"7.5A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8493","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/fd32a02f6ef99505c5bdfa6109d2e4ea.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STPS1545CR/alternatives.json"},"ai":{"faq":[{"question":"Can STPS1545CR be used in a common cathode configuration?","answer":"Yes. The STPS1545CR is a 1 Pair Common Cathode dual Schottky rectifier. The two anodes are independent and the cathodes are internally connected, which is the standard pinout for center-tapped rectifiers and OR-ing diode arrays."},{"question":"What is STPS1545CR's listed speed on this component line?","answer":"The STPS1545CR is a Schottky rectifier with a fast recovery characteristic: ≤ 500 ns at > 200 mA forward current. This is typical for Schottky diodes, which switch quickly with negligible reverse recovery charge."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STPS1545CR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STPS1545CR 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}}