{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC8121AM2T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC8121AM2T","canonicalUrl":"https://icboms.com/microchip/DSC8121AM2T","factsUrl":"https://icboms.com/api/mcp/products/DSC8121AM2T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC8121AM2T XO (Standard), CMOS output, MEMS resonator, 6-SMD No Lead Exposed Pad, 7.00mm x 5.00mm, -55°C to 125°C, ±25ppm stability.","salesMarkdown":"The DSC8121AM2T: What sets this part apart from quartz-based oscillators is the full military-temperature span of -55°C to 125°C with a frequency stability of ±25 ppm — that's the same stability spec held across the entire temperature band, not just at 25°C. The MEMS resonator itself is the reason this part survives reflow without the frequency shift you'd see from a quartz crystal's aging or mechanical shock. A quartz blank can crack or shift frequency after a lead-free reflow profile; the MEMS die is silicon-micromachined and sealed at wafer level, so it comes out of the oven still hitting the ±25 ppm window. For a board that goes through multiple rework cycles — say, a prototype or a low-volume production run — that consistency matters more than the datasheet numbers suggest. A stencil aperture that covers 50-70% of the pad area prevents voiding while still giving a solid thermal joint. Pin 1 is marked on the package top, so orientation is unambiguous under a microscope.","metaTitle":"DSC8121AM2T XO Standard CMOS MEMS Oscillator, -55 to 125°C","metaDescription":"Microchip DSC8121AM2T XO (Standard) with CMOS output, MEMS resonator, ±25 ppm stability, -55°C to 125°C range. Active production, quoted on request.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Crystals & Oscillators"],"specifications":{"Mfr":"Microchip Technology","Type":"XO (Standard)","Output":"CMOS","Series":"DSC8121","Package":"Tape & Reel (TR)","Ratings":"-","Function":"Enable/Disable","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-SMD, No Lead Exposed Pad","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.276\\\" L x 0.197\\\" W (7.00mm x 5.00mm)","Voltage - Supply":"2.25V ~ 3.6V","Programmable Type":"Blank (User Must Program)","Base Product Number":"DSC8121","Frequency Stability":"±25ppm","Height - Seated (Max)":"0.014\\\" (0.35mm)","Operating Temperature":"-55°C ~ 125°C","Current - Supply (Max)":"35mA","Available Frequency Range":"10 MHz ~ 170 MHz","Spread Spectrum Bandwidth":"-","Frequency Stability (Total)":"-","Current - Supply (Disable) (Max)":"22 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.3200","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/9aa5bcb33c349ee19debb7b556b38a00.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What package does the DSC8121AM2T use and is it reworkable?","answer":"The exposed pad provides good thermal transfer, and the package reworks cleanly under hot air with proper stencil design."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC8121AM2T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC8121AM2T 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}}