115 to 137 MHz, Wide Temperature AEC-Q100 SOT23 Oscillator

The SiT2025B is the most reliable and the highest quality AEC-Q100 compliant SOT23 oscillator for automotive and extreme temperature applications. This device delivers the perfect combination of high-frequency range (up to 137 MHz), excellent stability (±20 ppm), and extreme temperature range (-55 to 125 °C).  It also features the industry's best 0.1 ppb/g vibration sensitivity, 10,000 g shock and 70 g vibration resistance.

The small SOT23-5 package offers the best board-level solder joint reliability and easy, low-cost, optical-only, board-level inspection of solder joints.

Program oscillators to get instant samples, optimized performance, and fast prototyping | Learn More

View related products: 1 to 110 MHz | QFN package | Ruggedized | Automotive & High Temp lineup 

Leaded SOT23 package for best board-level reliability, inspection, and manufacturability
Oscillator Type XO-SE
Frequency 115 to 137 MHz
Frequency Stability (ppm) ±20, ±25, ±50
Phase Jitter (rms) 1.3 ps
Output Type LVCMOS
Operating Temperature Range (°C) -40 to 85 (Grade 3), -40 to 105 (Grade 2), -40 to 125 (Grade 1), -55 to 125 (Ext. Cold Grade 1)
FlexEdgeTM Rise/Fall Time Yes
Voltage Supply (V) 1.8, 2.5 to 3.3
Package Type (mm²) SOT23 (2.9x2.8)
Features Field programmable, High temperature 125°C, AEC-Q100, SOT23-5
Availability Production

Unique combination of

  • Up to 137 MHz
  • ±20 ppm
  • -55 to 125 °C
    • Best-in-class stability over extreme temperature range ideal for automotive and other high-rel applications

0.1 ppb/g low g-sensitivity

  • No degradation of performance in harsh environments

70 g vibration and 10,000 g shock

  • Indestructible

Configurable rise/fall time

  • Optimize EMI to reduce interference to any subsystems

SOT23-5 package

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

Ultra-fast lead time (4 to 6 weeks)

  • Reduce inventory overhead
  • Mitigate shortage risks


  • Engine & transmission ECUs
  • XTAL replacement
  • ADAS computer
  • Automotive cameras
  • Infotainment
  • Engine & powertrain

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Evaluation Board (Contact SiTime) – SiT6097 (2928 SOT23-5)

Time Machine II Programmer – Program frequency, voltage, stability & more

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

Narrow By:

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AN10052 IEEE 1588 Precision Time Protocol (PTP) in ITU-T Standards Application Notes
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