{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"FODM8801B","brand":"onsemi","brandSlug":"onsemi","productSlug":"FODM8801B","canonicalUrl":"https://icboms.com/onsemi/FODM8801B","factsUrl":"https://icboms.com/api/mcp/products/FODM8801B","rawCanonicalId":null},"summary":{"shortDescription":"onsemi OptoHit™ series, FODM8801B, single-channel transistor-output optoisolator, 3750Vrms isolation, 4-SOIC (0.173\", 4.40mm Width) surface-mount package.","salesMarkdown":"## 3750Vrms isolation in a 4-Mini-Flat package The FODM8801B is a single-channel transistor-output optocoupler from onsemi's OptoHit™ family, providing 3750Vrms galvanic isolation in a compact 4-Mini-Flat surface-mount package. Rated for continuous operation from -40°C to 125°C, it suits industrial motor-drive feedback, PLC digital input isolation, and 48V telecom board-level signal transfer. ## CTR bin and switching speed for BOM margin The current transfer ratio is binned 130% to 260% at a forward current of 1 mA. This tight spread means the designer can set the LED drive current once and expect the output transistor to saturate across temperature and lot variation without re-tuning the bias resistor. Typical rise and fall times are 5 µs and 5.5 µs respectively; turn-on and turn-off times are both 6 µs typical.","metaTitle":"FODM8801B onsemi OptoHit™ Optoisolator, 3750Vrms","metaDescription":"onsemi FODM8801B OptoHit™ optoisolator: 3750Vrms isolation, transistor output, CTR 130-260% at 1mA, -40°C to 125°C. Active production, ROHS3. Request quote.","metaKeywords":null},"attributes":{"series":"OptoHit™","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Optoisolators"],"specifications":{"Series":"OptoHit™","Package":"Tube","Input Type":"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":"-40°C ~ 125°C","Rise / Fall Time (Typ)":"5µs, 5.5µs","Voltage - Output (Max)":"75V","Supplier Device Package":"4-Mini-Flat","Current - Output / Channel":"30mA","Current Transfer Ratio (Max)":"260% @ 1mA","Current Transfer Ratio (Min)":"130% @ 1mA","Voltage - Forward (Vf) (Typ)":"1.35V","Turn On / Turn Off Time (Typ)":"6µs, 6µs","Current - DC Forward (If) (Max)":"20 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.64","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.64000","currency":"USD"},{"qty":10,"price":"$1.03900","currency":"USD"},{"qty":100,"price":"$0.76890","currency":"USD"},{"qty":500,"price":"$0.70654","currency":"USD"},{"qty":1000,"price":"$0.58186","currency":"USD"},{"qty":2000,"price":"$0.55277","currency":"USD"},{"qty":5000,"price":"$0.54030","currency":"USD"},{"qty":10000,"price":"$0.52783","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/f71585aa4236e0c7772349b32506693a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to FODM8801B?","answer":"Within the OptoHit™ series, the FODM8801A and FODM8801C share the same 4-Mini-Flat footprint and 3750Vrms isolation, but differ in CTR bin: the A bin is 80-160% and the C bin is 200-400% at 1 mA. The B bin (130-260%) sits between them. Verify the CTR requirement before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/onsemi/FODM8801B","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/onsemi/FODM8801B when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T20:08:56.873Z","lastPublished":"2026-07-17T20:08:56.873Z","indexable":true}}