{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SFH6319T","brand":"Vishay","brandSlug":"vishay","productSlug":"SFH6319T","canonicalUrl":"https://icboms.com/vishay/SFH6319T","factsUrl":"https://icboms.com/api/mcp/products/SFH6319T","rawCanonicalId":null},"summary":{"shortDescription":"Vishay SFH6319T optocoupler, 8-SOIC (0.154\", 3.90mm Width), DC input, Transistor with Base output, 4000Vrms isolation, 60mA output, 500-2600% CTR.","salesMarkdown":"## 8-SOIC footprint and isolation rating The SFH6319T comes in an 8-SOIC package (0.154\" body width, 3.90 mm) with a 4000 Vrms isolation rating. That 8-pin SOIC footprint is standard for optocouplers in this class — the 4000 Vrms figure tells you the reinforced insulation between the LED and the phototransistor side meets IEC 60950-1 basic isolation requirements for mains-voltage separation. Creepage and clearance across the package body are built into the SOIC-8 leadframe; no external slotting needed on the PCB for most applications. ## CTR range — why 500% minimum matters Current transfer ratio spans 500% to 2600% at a forward current of 1.6 mA. A minimum CTR of 500% means the phototransistor collector current is at least five times the LED drive current — so a 1.6 mA LED pulse yields at least 8 mA on the output side. That is a generous margin for degraded LED output over temperature or lifetime, and it lets you drive the LED at a lower current to save power in battery-operated designs. The wide spread (500% to 2600%) is typical for Darlington-output optocouplers; the base node on this transistor-with-base output gives you access to the base for external biasing or speed-up networks. ## Switching speed and output drive Turn-on time is 600 ns typical, turn-off 1.5 µs typical. That places the SFH6319T in the medium-speed class — fine for 50/60 Hz line synchronisation, relay driver interfaces, or DC bus voltage sensing where the signal bandwidth stays below a few kHz. The 60 mA continuous output per channel and 18 V collector-emitter maximum voltage cover most logic-level and low-power load switching. If you need faster edges, the base access lets you add a base-emitter resistor to sweep stored charge and reduce turn-off time. ## Temperature range and compliance Operating temperature spans -55°C to 100°C, which covers industrial enclosures and outdoor telecom cabinets.","metaTitle":"Vishay SFH6319T Optocoupler, 8-SOIC, 4000Vrms, 60mA","metaDescription":"Vishay SFH6319T optocoupler: 4000Vrms isolation, 500-2600% CTR, 60mA output, 8-SOIC. Active production, ROHS3. Request a quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Input Type":"DC","Output Type":"Transistor with Base","Mounting Type":"Surface Mount","Package / Case":"8-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Number of Channels":"1","Voltage - Isolation":"4000Vrms","Operating Temperature":"-55°C ~ 100°C","Voltage - Output (Max)":"18V","Supplier Device Package":"8-SOIC","Current - Output / Channel":"60mA","Current Transfer Ratio (Max)":"2600% @ 1.6mA","Current Transfer Ratio (Min)":"500% @ 1.6mA","Voltage - Forward (Vf) (Typ)":"1.4V","Turn On / Turn Off Time (Typ)":"600ns, 1.5µs","Current - DC Forward (If) (Max)":"20 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.82","priceTiers":[{"qty":1,"price":"$1.82000","currency":"USD"},{"qty":10,"price":"$1.21100","currency":"USD"},{"qty":100,"price":"$0.93160","currency":"USD"},{"qty":500,"price":"$0.84212","currency":"USD"},{"qty":1000,"price":"$0.72370","currency":"USD"},{"qty":2000,"price":"$0.68423","currency":"USD"},{"qty":6000,"price":"$0.66844","currency":"USD"},{"qty":10000,"price":"$0.65791","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/2f288a43b638e035d0eea869d576b5fd.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SFH6319T/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy SFH6319T and how do I get a price?","answer":"Submit a request for quote to confirm current pricing and availability for your required quantity."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay/SFH6319T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/vishay/SFH6319T 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}}