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Microchip Technology DSC1121BI1-026.0000 — Crystals & Oscillators

DSC1121BI1-026.0000 MEMS XO 26MHz CMOS AEC-Q100

MPNDSC1121BI1-026.0000
Active

Microchip DSC1121BI1-026.0000, XO (Standard) 26 MHz CMOS, MEMS resonator, 2.25V~3.6V supply, ±50ppm stability, -40°C~85°C, AEC-Q100, 6-SMD no-lead package.

Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DSC1121BI1-026.0000 specifications
ParameterValue
TypeXO (Standard)
SeriesDSC1121
MountingSurface Mount
Supply voltage2.25V ~ 3.6V
Current - supply35mA
Current - supply (Disable)22mA
Frequency26 MHz
Frequency stability±50ppm
Operating temperature-40°C~85°C
Size (Dimension)0.197\" L x 0.126\" W (5.00mm x 3.20mm)
Height - seated0.035\" (0.90mm)
OutputCMOS
PackageTube
RatingsAEC-Q100
FunctionEnable/Disable
Base resonatorMEMS
Case6-SMD, No Lead

Product details

MEMS oscillator replaces quartz at 26 MHz

The DSC1121BI1-026.0000 is a MEMS-based XO (Standard) from Microchip's DSC1121 series, delivering a 26 MHz CMOS output from a 6-SMD no-lead package measuring 5.00mm x 3.20mm. The MEMS resonator eliminates the quartz crystal's startup time and vibration sensitivity — a direct swap for a standard 26 MHz crystal oscillator on the same PCB footprint, with the added benefit of a wider supply range (2.25V to 3.6V) that covers 2.5V and 3.3V logic rails without a separate regulator.

Automotive-grade reliability and temperature range

For battery-powered or thermal-constrained designs, that 13 mA saving per oscillator adds up across multiple clock domains.

Microchip lists the DSC1121BI1-026.0000 as Active.

Frequently asked questions

Can DSC1121BI1-026.0000 replace a standard 26 MHz crystal oscillator?

Yes, it is a drop-in replacement for a standard 26 MHz XO with CMOS output. The MEMS resonator offers faster startup and better vibration immunity than quartz, and the 2.25V-3.6V supply range covers both 2.5V and 3.3V logic without a regulator change.