{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TLP385(GB-TPL,E","brand":"Toshiba Semiconductor","brandSlug":"toshiba","productSlug":"TLP385GB-TPLE","canonicalUrl":"https://icboms.com/toshiba/TLP385GB-TPLE","factsUrl":"https://icboms.com/api/mcp/products/TLP385(GB-TPL%2CE","rawCanonicalId":null},"summary":{"shortDescription":"Toshiba TLP385(GB-TPL,E, 1-channel DC-input transistor-output optocoupler, 5000 Vrms isolation, 100-600% CTR at 5 mA, 80 V output, 50 mA output current, 6-SOIC 4-lead package, surface mount, -55 to 110°C.","salesMarkdown":"## Isolation rating and CTR range The TLP385(GB-TPL,E is a single-channel transistor-output optocoupler from Toshiba, rated for 5000 Vrms isolation — a solid safety margin for industrial bus isolation, motor-drive feedback, and PLC digital inputs where galvanic separation between field and control sides is non-negotiable. The current transfer ratio spans 100% to 600% at a forward current of 5 mA, which means a 5 mA LED drive can saturate the output transistor across the full CTR spread — the 100% floor guarantees the output can sink at least 5 mA, while the 600% ceiling gives headroom for degraded LED output over temperature or life. ## Switching speed and output drive Typical rise and fall times are 2 µs and 3 µs respectively, with turn-on and turn-off times both at 3 µs — this puts the practical switching ceiling around 100 kHz for pulse-width signals, adequate for relay coil drives, AC mains zero-cross detection, and low-speed serial isolation. The output transistor can handle up to 80 V collector-emitter and 50 mA continuous current, with a saturation voltage of 300 mV max — the 80 V ceiling suits 24 V and 48 V industrial rails with margin, and the 50 mA output can directly drive a logic gate or a small relay coil without a buffer transistor. ## Package and temperature grade Housed in a 6-SOIC with 4 leads (0.173-inch body width, 4.40 mm height), this surface-mount package is a common footprint for SOIC-4 optocouplers — the 4-lead variant frees up two pins for creepage distance, supporting the 5000 Vrms rating in a compact board area. Rated for -55°C to 110°C operating temperature, the TLP385(GB-TPL,E fits into outdoor telecom cabinets, engine-bay electronics, and factory-floor enclosures where the ambient can swing well beyond commercial limits.","metaTitle":"TLP385(GB-TPL,E Optocoupler – 5000 Vrms, 4-Pin SO, Toshiba","metaDescription":"Toshiba TLP385(GB-TPL,E transistor-output optocoupler: 5000 Vrms isolation, 100-600% CTR at 5 mA, -55 to 110°C. Active, RoHS. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"RoHS 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":"6-SOIC (0.173\\\", 4.40mm Width), 4 Leads","lifecycle_stage":"eol_hot","Number of Channels":"1","Voltage - Isolation":"5000Vrms","Vce Saturation (Max)":"300mV","Operating Temperature":"-55°C ~ 110°C","Rise / Fall Time (Typ)":"2µs, 3µs","Voltage - Output (Max)":"80V","Supplier Device Package":"6-SO, 4 Lead","Current - Output / Channel":"50mA","Current Transfer Ratio (Max)":"600% @ 5mA","Current Transfer Ratio (Min)":"100% @ 5mA","Voltage - Forward (Vf) (Typ)":"1.25V","Turn On / Turn Off Time (Typ)":"3µs, 3µs","Current - DC Forward (If) (Max)":"50 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.54","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.54000","currency":"USD"},{"qty":10,"price":"$0.35500","currency":"USD"},{"qty":100,"price":"$0.23450","currency":"USD"},{"qty":1000,"price":"$0.18107","currency":"USD"},{"qty":3000,"price":"$0.16362","currency":"USD"},{"qty":6000,"price":"$0.15271","currency":"USD"},{"qty":15000,"price":"$0.14726","currency":"USD"},{"qty":30000,"price":"$0.14508","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/331d269fb9551bcaaac5f6b0e0ad3456.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the current transfer ratio of the TLP385(GB-TPL,E?","answer":"The CTR range is 100% minimum to 600% maximum, both specified at a forward current of 5 mA. This means at 5 mA LED drive, the output transistor can sink between 5 mA and 30 mA, giving you a wide design margin for load current and LED aging."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/toshiba/TLP385GB-TPLE","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/toshiba/TLP385GB-TPLE 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}}