{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SFH6156-3T","brand":"Vishay","brandSlug":"vishay","productSlug":"SFH6156-3T","canonicalUrl":"https://icboms.com/vishay/SFH6156-3T","factsUrl":"https://icboms.com/api/mcp/products/SFH6156-3T","rawCanonicalId":null},"summary":{"shortDescription":"Vishay SFH6156-3T optocoupler, single-channel DC-input transistor output, 5300 Vrms isolation, 100-200% CTR at 10 mA, 4-SMD Gull Wing package, surface mount, -55 to 100°C.","salesMarkdown":"The Vishay SFH6156-3T is a single-channel optocoupler with a DC input and a phototransistor output, housed in a 4-SMD Gull Wing package for surface-mount assembly. It provides 5300 Vrms galvanic isolation between input and output, making it a standard choice for breaking ground loops in industrial controls, motor drives, and medical equipment where safety isolation is required. The -3T suffix denotes a current transfer ratio (CTR) bin of 100% to 200% at 10 mA forward current — a mid-range gain that suits most logic-level interface designs without overdriving the output. The 5300 Vrms isolation voltage is the headline safety rating — it covers reinforced insulation requirements per IEC 60950-1 for mains-connected equipment. The transistor output can sink up to 50 mA continuous and block up to 70 V, so it can drive a relay coil, a PLC input, or a 5 V logic gate directly. Vce saturation is 400 mV max, which keeps the on-state voltage drop low enough for 3.3 V logic thresholds. Rise and fall times are 2 µs typical, and turn-on/turn-off times are 3 µs and 2.3 µs — fast enough for 100 kHz switching in isolated gate drive or signal isolation, but not for high-speed data links. ## Temperature range and environment The wide range also suits cold-climate installations and avionics bays that see -40°C starts. Storage temperature extends beyond this range, but the operating limit governs the derating for continuous use.","metaTitle":"SFH6156-3T Optocoupler, 5300 Vrms, Transistor Output, 4-SMD","metaDescription":"Vishay SFH6156-3T optocoupler: 5300 Vrms isolation, 100-200% CTR, transistor output, -55 to 100°C, surface mount 4-SMD Gull Wing. Active, RoHS3 compliant.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Optoisolators"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Input Type":"DC","Output Type":"Transistor","Mounting Type":"Surface Mount","Package / Case":"4-SMD, Gull Wing","lifecycle_stage":"eol_hot","Number of Channels":"1","Voltage - Isolation":"5300Vrms","Vce Saturation (Max)":"400mV","Operating Temperature":"-55°C ~ 100°C","Rise / Fall Time (Typ)":"2µs, 2µs","Voltage - Output (Max)":"70V","Supplier Device Package":"4-SMD","Current - Output / Channel":"50mA","Current Transfer Ratio (Max)":"200% @ 10mA","Current Transfer Ratio (Min)":"100% @ 10mA","Voltage - Forward (Vf) (Typ)":"1.25V","Turn On / Turn Off Time (Typ)":"3µs, 2.3µs","Current - DC Forward (If) (Max)":"60 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.62","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.89000","currency":"USD"},{"qty":10,"price":"$0.57900","currency":"USD"},{"qty":100,"price":"$0.37970","currency":"USD"},{"qty":1000,"price":"$0.29973","currency":"USD"},{"qty":2000,"price":"$0.27975","currency":"USD"},{"qty":5000,"price":"$0.26976","currency":"USD"},{"qty":10000,"price":"$0.26576","currency":"USD"},{"qty":25000,"price":"$0.25977","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/546f8e9fe5cf3d5e03107d1bc436a4fb.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the current transfer ratio (CTR) of SFH6156-3T?","answer":"The CTR is specified as 100% minimum to 200% maximum at 10 mA forward current. This -3T bin provides a mid-range gain suitable for most logic-level interface designs."},{"question":"Is SFH6156-3T RoHS compliant?","answer":"Yes, the SFH6156-3T is ROHS3 compliant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay/SFH6156-3T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/vishay/SFH6156-3T 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}}