Skip to main content
Log in
Microchip Technology DSC1121CL5-003.3000T — Crystals & Oscillators

DSC1121CL5-003.3000T MEMS XO 3.3 MHz CMOS ±10 ppm -40°C to

MPNDSC1121CL5-003.3000T
Active

Microchip Technology DSC1121 series, XO (Standard) MEMS oscillator, 3.3 MHz CMOS output, ±10 ppm stability, 2.25–3.6 V supply, -40 to 105°C, 6-VDFN package

Microchip Technology DSC1121CL5-003.3000T datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DSC1121CL5-003.3000T specifications
ParameterValue
TypeXO (Standard)
SeriesDSC1121
MountingSurface Mount
Voltage2.25V ~ 3.6V
Current - supply35mA
Current - supply (Disable)22mA
Frequency3.3 MHz
Frequency stability±10ppm
Operating temperature-40°C~105°C
Size (Dimension)0.126\" L x 0.098\" W (3.20mm x 2.50mm)
Height - seated0.035\" (0.90mm)
OutputCMOS
PackageTape & Reel (TR)
FunctionEnable/Disable
Base resonatorMEMS
Case6-VDFN

Product details

MEMS oscillator replaces quartz at 3.3 MHz

The DSC1121CL5-003.3000T is a MEMS-based XO (Standard) from Microchip Technology, delivering a 3.3 MHz CMOS output with ±10 ppm frequency stability across the full -40 to 105°C industrial temperature range.

Supply range and enable/disable for power management

The supply voltage range of 2.25 V to 3.6 V covers both 2.5 V and 3.3 V logic rails without an external LDO — the oscillator draws 35 mA max when enabled and 22 mA max when disabled via the Enable/Disable pin.

6-VDFN package and industrial temperature grade

Housed in a 6-VDFN package measuring 3.20 mm x 2.50 mm with a seated height of 0.90 mm, this oscillator fits tight PCB layouts. The -40 to 105°C rating suits outdoor telecom cabinets, motor drives, and engine-bay electronics where ambient temperatures exceed 85°C.

Frequently asked questions

Does DSC1121CL5-003.3000T have an enable/disable function?

Yes, the oscillator has an Enable/Disable function. When disabled, the supply current drops to 22 mA max from 35 mA max when enabled.

Can I replace my quartz crystal oscillator with DSC1121CL5-003.3000T?

Yes, if your design uses a 3.3 MHz CMOS oscillator in a 6-VDFN package with a 2.25–3.6 V supply. The MEMS-based DSC1121 offers ±10 ppm stability over -40 to 105°C, faster startup, and better shock resistance than quartz. Confirm the footprint and output type match your BOM.