{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1121CM5-040.0000T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1121CM5-040.0000T","canonicalUrl":"https://icboms.com/microchip/DSC1121CM5-040.0000T","factsUrl":"https://icboms.com/api/mcp/products/DSC1121CM5-040.0000T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC1121CM5-040.0000T, XO (Standard) MEMS oscillator, 40 MHz CMOS output, ±10 ppm stability, 2.25V–3.6V supply, -55°C to 125°C, AEC-Q100, 6-SMD package.","salesMarkdown":"## 40 MHz MEMS oscillator with military temperature range Rated AEC-Q100, this oscillator meets the automotive-grade reliability and PPAP requirements for under-hood and chassis-domain electronics. Microchip lists the DSC1121CM5-040.0000T as Obsolete. No official successor or second-source is recorded from the original manufacturer. For new designs, a pin-compatible alternative in the same DSC1121 family may be considered — confirm the exact frequency, stability, and temperature grade against the BOM before committing.","metaTitle":"DSC1121CM5-040.0000T MEMS Oscillator – 40 MHz, CMOS","metaDescription":"Microchip Technology DSC1121CM5-040.0000T MEMS XO, 40 MHz, CMOS output, ±10 ppm stability, -55°C to 125°C, AEC-Q100.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Crystals & Oscillators"],"specifications":{"Mfr":"Microchip Technology","Type":"XO (Standard)","Output":"CMOS","Series":"DSC1121","Package":"Tape & Reel (TR)","Ratings":"AEC-Q100","Function":"Enable/Disable","Frequency":"40 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-SMD, No Lead","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Size / Dimension":"0.126\\\" L x 0.098\\\" W (3.20mm x 2.50mm)","Voltage - Supply":"2.25V ~ 3.6V","Frequency Stability":"±10ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-55°C~125°C","Current - Supply (Max)":"35mA","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"22mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4ad75d2f22fe92055f4a953b00c76a2c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC1121CM5-040.0000T/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for DSC1121CM5-040.0000T?","answer":"Microchip has not published an official replacement for this specific order code. The DSC1121 series includes other frequency and stability variants; a pin-compatible alternative in the same 6-SMD package may work if the frequency (40 MHz), stability (±10 ppm), and temperature range (-55°C to 125°C) match the BOM requirement. Cross-reference against the datasheet before ordering."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1121CM5-040.0000T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1121CM5-040.0000T when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-18T15:56:33.676Z","lastPublished":"2026-07-18T15:56:33.676Z","indexable":true}}