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Microchip Technology DSC1121CM5-033.3333 — Crystals & Oscillators

DSC1121CM5-033.3333 MEMS XO, 33.3333 MHz, CMOS

MPNDSC1121CM5-033.3333
Obsolete

Microchip DSC1121CM5-033.3333, XO (Standard) MEMS oscillator, 33.3333 MHz CMOS output, ±10ppm stability, 2.25V–3.6V supply, -55°C to 125°C, AEC-Q100, 6-SMD no-lead package.

Microchip Technology DSC1121CM5-033.3333 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

DSC1121CM5-033.3333 specifications
ParameterValue
TypeXO (Standard)
SeriesDSC1121
MountingSurface Mount
Voltage2.25V ~ 3.6V
Current - supply35mA
Current - supply (Disable)22mA
Frequency33.3333 MHz
Frequency stability±10ppm
Operating temperature-55°C~125°C
Size (Dimension)0.126\" L x 0.098\" W (3.20mm x 2.50mm)
Height - seated0.035\" (0.90mm)
OutputCMOS
PackageTube
RatingsAEC-Q100
FunctionEnable/Disable
Base resonatorMEMS
Case6-SMD, No Lead

Product details

Military temperature grade and automotive qualification

Additionally, it carries AEC-Q100 qualification, meaning it passed the reliability stress and PPAP requirements for automotive-grade ICs, including under-hood deployment.

MEMS resonator, wide supply range, tight stability

The supply voltage spans 2.25V to 3.6V, which means it can run from a 2.5V or 3.3V rail without an external regulator.

6-SMD no-lead package — board layout note

Housed in a 6-SMD, No Lead package measuring 3.20mm x 2.50mm with a seated height of 0.90mm. The no-lead construction means the terminations are flush with the package body — the PCB footprint must match the land pattern exactly; there are no protruding leads to absorb board flex. Surface-mount reflow is standard, and the small footprint suits dense layouts.

Frequently asked questions

What is the replacement for DSC1121CM5-033.3333?

Microchip has not listed an official successor or pin-compatible cross reference for this order code. For a new design, consider a current-production MEMS oscillator from the same DSC1121 series with the same 33.3333 MHz frequency, CMOS output, and 6-SMD package — but verify the temperature grade and AEC-Q100 rating against your requirements.