48 MHz MEMS clock source for board-level timing
The DSC1033AE1-048.0000T is a 48 MHz XO (Standard) oscillator built on a MEMS resonator, delivering a CMOS output at 3.3V supply. Typical supply current is 4 mA, and the standby (power down) function drops draw to 1 µA — useful for systems that sleep between active bursts.
MEMS vs quartz — what the resonator type means for your board
The MEMS resonator gives this oscillator better shock and vibration tolerance than a quartz crystal — relevant if the board sees mechanical stress in transit or operation. No external load capacitors are needed; the MEMS die and drive circuitry are integrated in the 4-SMD package.
Lifecycle and sourcing — active production, quoted to order
The DSC1033 series is Microchip's standard PureSilicon MEMS oscillator family; no pin-compatible second source is listed, but the DSC1033 base number covers multiple frequency and stability variants.