{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"VOS627A-3T","brand":"Vishay","brandSlug":"vishay","productSlug":"VOS627A-3T","canonicalUrl":"https://icboms.com/vishay/VOS627A-3T","factsUrl":"https://icboms.com/api/mcp/products/VOS627A-3T","rawCanonicalId":null},"summary":{"shortDescription":"Vishay VOS627A-3T optocoupler, 1-channel, transistor output, 3750Vrms isolation, 4-SSOP package, surface mount, AC/DC input, CTR 100-200% at 5mA.","salesMarkdown":"## 3750Vrms isolation in a 4-SSOP package The VOS627A-3T is a single-channel phototransistor optocoupler from Vishay, housed in a compact 4-SSOP (4-SOIC) surface-mount package. It provides 3750Vrms galvanic isolation between input and output, with a transistor output rated for 80V and 50mA continuous. The input accepts both AC and DC drive, and the current transfer ratio is specified between 100% and 200% at a forward current of 5mA. ## CTR and switching speed for logic interfacing With a CTR range of 100% to 200% at 5mA, this part delivers a consistent gain margin for driving logic inputs or low-power loads. Typical rise and fall times are 3µs each, with turn-on and turn-off times of 6µs and 4µs respectively. The 400mV maximum Vce saturation keeps the output swing close to the rail, important for 3.3V or 5V logic families. ## Temperature range and operating environment Rated for -55°C to 110°C operating temperature, the VOS627A-3T suits industrial control, power supply feedback, and motor drive interface applications where the ambient may rise well above commercial grades. The 3750Vrms isolation is sufficient for reinforced insulation in many mains-connected designs.","metaTitle":"VOS627A-3T Optocoupler, 3750Vrms Isolation, 4-SSOP","metaDescription":"VOS627A-3T optocoupler with 3750Vrms isolation, transistor output, CTR 100-200% at 5mA. Active lifecycle, 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":"AC, DC","Output Type":"Transistor","Mounting Type":"Surface Mount","Package / Case":"4-SOIC (0.173\\\", 4.40mm Width)","lifecycle_stage":"eol_hot","Number of Channels":"1","Voltage - Isolation":"3750Vrms","Vce Saturation (Max)":"400mV","Operating Temperature":"-55°C ~ 110°C","Rise / Fall Time (Typ)":"3µs, 3µs","Voltage - Output (Max)":"80V","Supplier Device Package":"4-SSOP","Current - Output / Channel":"50mA","Current Transfer Ratio (Max)":"200% @ 5mA","Current Transfer Ratio (Min)":"100% @ 5mA","Voltage - Forward (Vf) (Typ)":"1.1V","Turn On / Turn Off Time (Typ)":"6µs, 4µs","Current - DC Forward (If) (Max)":"50 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.7","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.70000","currency":"USD"},{"qty":10,"price":"$0.46000","currency":"USD"},{"qty":100,"price":"$0.30400","currency":"USD"},{"qty":1000,"price":"$0.23472","currency":"USD"},{"qty":3000,"price":"$0.21210","currency":"USD"},{"qty":6000,"price":"$0.19796","currency":"USD"},{"qty":15000,"price":"$0.19089","currency":"USD"},{"qty":30000,"price":"$0.18806","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/3de56897baffda6a2dbcd35ae20a1b34.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the current transfer ratio (CTR) of VOS627A-3T?","answer":"The CTR is specified as 100% minimum and 200% maximum, both measured at a forward current of 5mA."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay/VOS627A-3T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/vishay/VOS627A-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}}