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Microchip Technology DSC1001BE5-044.0000 — Crystals & Oscillators

DSC1001BE5-044.0000 MEMS Oscillator – 44 MHz, CMOS, AEC-Q100

MPNDSC1001BE5-044.0000
Active

Microchip DSC1001BE5-044.0000, 44 MHz MEMS-based XO (Standard), CMOS output, ±10 ppm stability, 1.8V–3.3V supply, AEC-Q100 qualified, 4-SMD package.

Microchip Technology DSC1001BE5-044.0000 datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DSC1001BE5-044.0000 specifications
ParameterValue
TypeXO (Standard)
SeriesDSC1001
MountingSurface Mount
Supply voltage1.8V ~ 3.3V
Current - supply7.2mA
Current - supply (Disable)15µA
Frequency44 MHz
Frequency stability±10ppm
Operating temperature-20°C~70°C
Size (Dimension)0.197\" L x 0.126\" W (5.00mm x 3.20mm)
Height - seated0.035\" (0.90mm)
OutputCMOS
PackageTube
RatingsAEC-Q100
FunctionStandby (Power Down)
Base resonatorMEMS
Case4-SMD, No Lead

Product details

MEMS oscillator at 44 MHz – fit and function

The DSC1001BE5-044.0000 is a MEMS-based standard oscillator (XO) delivering a 44 MHz CMOS output with ±10 ppm frequency stability across its -20°C to 70°C operating range. It accepts any supply from 1.8V to 3.3V, so the same part number works across 1.8V, 2.5V, and 3.3V logic domains without a separate regulator.

Automotive-grade reliability, commercial temperature band

The 4-SMD, no-lead package (5.0 mm × 3.2 mm, 0.9 mm seated height) is a common footprint shared by many MEMS and quartz oscillators, easing board layout.

Active lifecycle – sourcing per BOM

No pin-compatible second source or successor is documented — the DSC1001 family is the only direct reference.

Frequently asked questions

Is DSC1001BE5-044.0000 RoHS compliant?

The evidence does not explicitly confirm RoHS compliance. Verify with the datasheet or request a certificate of compliance at RFQ.

What is the standby current of DSC1001BE5-044.0000?

15 µA maximum when the standby (power-down) function is enabled. The active supply current is 7.2 mA max at 44 MHz.

Can DSC1001BE5-044.0000 replace a quartz oscillator?

Yes, it is a MEMS-based drop-in replacement for a 44 MHz quartz XO in the same 4-SMD footprint. The MEMS resonator offers better shock and vibration tolerance than quartz, but check the ±10 ppm stability against your system's timing budget.

What is the frequency stability of DSC1001BE5-044.0000?

±10 ppm over the full -20°C to 70°C range. This is tighter than a typical ±25 ppm quartz oscillator and sufficient for most serial communication and processor clock applications.

What is the output type of DSC1001BE5-044.0000?

CMOS — a single-ended, rail-to-rail output that directly drives most logic inputs without level translation.

Is DSC1001BE5-044.0000 AEC-Q100 qualified?

Yes, it carries an AEC-Q100 rating, meaning it has passed automotive-grade stress tests. However, the -20°C to 70°C temperature range limits its use to cabin or infotainment domains, not under-hood.