SiT2045

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115 to 137 MHz, Extended Temperature (-55 °C to 125 °C) SOT-23 Oscillator

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The Endura™ SiT2045 is the most reliable and the highest quality SOT23 oscillator for high-reliability aerospace and defense applications. This device delivers the perfect combination of high-frequency range (up to 137 MHz), excellent stability (±20 ppm), and wide temperature range (-55 to 125°C). Engineered for harsh environments, this oscillator features ultra-low 0.1 ppb/g acceleration sensitivity, 10,000g shock, and 70g vibration resistance. The small SOT23-5 package offers the best board-level solder joint reliability and easy optical-only, board-level inspection of solder joints.

The MEMS-based Endura SiT2045 is 100% screened through the SiTime Endura™ process flow to provide high reliability.

View related products: 1 to 110 MHz | QFN package | Ruggedized XO lineup

Datasheet
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Leaded SOT23 package for best board-level reliability, inspection, and manufacturability
"Specs" "Value"
Oscillator Type XO-SE
Frequency 115 to 137 MHz
Frequency Stability (ppm) ±20, ±25, ±50
Phase Jitter (rms) 1.3 ps
Operating Temperature Range (°C) -40 to +105, -40 to +125, -55 to +125
FlexEdgeTM Rise/Fall Time Yes
Voltage Supply (V) 1.8, 2.5 to 3.3
Package Type (mm²) SOT23 (2.9x2.8)
Features Ultra-low acceleration sensitivity, MIL-STD-55310, MIL-PRF-883, AEC-Q100, SOT23-5
Availability Production
  • SiT2025b SOT-23 5-pin package, top
    enlarge

    SiT2025b SOT-23 5-pin package, top

Unique combination of

  • Up to 137 MHz
  • ±25 ppm
  • -55 to +125°C
    • Best-in-class stability over extreme temperature range ideal for high-rel applications

Low 0.1 ppb/g low g-sensitivity

  • No degradation of performance in harsh environments

70g vibration and 10,000g shock

  • Virtually indestructible

Configurable rise/fall time

  • Optimize EMI to reduce interference to any subsystems

SOT23-5 package

  • Best board-level solder joint reliability
  • Easy, optical-only, board-level inspection of solder joints

Ultra-fast lead time (4 to 6 weeks)

  • Reduce inventory overhead
  • Mitigate shortage risks
  • Airborne Communications
  • Field Communications
  • Vehicle Communications
  • Avionics
  • Ruggedized Applications

Frequency Slope (dF/dT) Calculator – Calculate frequency slope over temperature

Reliability Calculator – Get FIT/MTBF data for various operating conditions

SOT 23 5-Pins 3D Step Model – Preview oscillator packages in 3D

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