{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BU4211G-TR","brand":"ROHM Semiconductor","brandSlug":"rohm","productSlug":"BU4211G-TR","canonicalUrl":"https://icboms.com/rohm/BU4211G-TR","factsUrl":"https://icboms.com/api/mcp/products/BU4211G-TR","rawCanonicalId":null},"summary":{"shortDescription":"ROHM BU4211G-TR Simple Reset/Power-On Reset, Active Low, Open Drain/Open Collector Output, 1.1V Threshold, -40°C to 125°C, SOT-753 (SC-74A) Package.","salesMarkdown":"## What the 1.1V threshold means for your rail monitoring The BU4211G-TR: That 1.1V trip point targets low-voltage core rails — think 1.2V or 1.8V DSP, FPGA, or MCU supplies where a brownout below the logic threshold can corrupt state. The open-drain output lets you pull up to any higher voltage the downstream reset input needs, so it interfaces cleanly with 3.3V or 5V logic without a level shifter. ## Temperature range and deployment environment The 125°C ceiling covers engine-bay and high-ambient industrial enclosures; the -40°C floor handles cold-start in northern-climate installations. ## Package and footprint reality Housed in a 5-pin SOT-753 (SC-74A) package, the BU4211G-TR is a small surface-mount device. The footprint is compact enough for space-constrained designs but requires a steady hand during rework. The adjustable/selectable reset timeout means you set the delay with an external capacitor — no fixed timeout baked in, so you tune it to the power-up sequence of your load.","metaTitle":"BU4211G-TR Simple Reset/Power-On Reset, 1.1V Threshold","metaDescription":"BU4211G-TR is a simple reset/power-on reset IC with 1.1V threshold, active-low open-drain output. -40°C to 125°C range. ROHS3 compliant.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Type":"Simple Reset/Power-On Reset","Reset":"Active Low","Output":"Open Drain or Open Collector","Package":"Tape & Reel (TR); Cut Tape (CT)","Mounting Type":"Surface Mount","Reset Timeout":"Adjustable/Selectable","Package / Case":"SC-74A, SOT-753","lifecycle_stage":"eol_hot","Voltage - Threshold":"1.1V","Operating Temperature":"-40°C ~ 125°C (TA)","Supplier Device Package":"5-SSOP","Number of Voltages Monitored":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.59","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.59000","currency":"USD"},{"qty":10,"price":"$0.50800","currency":"USD"},{"qty":25,"price":"$0.47360","currency":"USD"},{"qty":100,"price":"$0.37900","currency":"USD"},{"qty":250,"price":"$0.35188","currency":"USD"},{"qty":500,"price":"$0.29774","currency":"USD"},{"qty":1000,"price":"$0.23008","currency":"USD"},{"qty":3000,"price":"$0.20978","currency":"USD"},{"qty":6000,"price":"$0.19624","currency":"USD"},{"qty":15000,"price":"$0.18271","currency":"USD"},{"qty":30000,"price":"$0.17324","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/e2e34756d080db9925d45fc38defb204.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is BU4211G-TR RoHS compliant?","answer":"Yes, the BU4211G-TR is ROHS3 compliant, meeting the latest EU restriction-of-hazardous-substances requirements."},{"question":"What is the closest functional equivalent to BU4211G-TR?","answer":"The BU4921G-TR is a close functional peer but with an active-high reset and push-pull output. If you need an active-low open-drain output like the BU4211G-TR, the BD45422G-TR offers a similar open-drain output with a fixed 180ms reset timeout, though its temperature range tops out at 105°C instead of 125°C."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/rohm/BU4211G-TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/rohm/BU4211G-TR 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}}