Q22FA12800025 FA-128 32 MHZ 8.0PF Epson Timing Crystal or Oscillator (Other) In Stock
The Epson Q22FA12800025 is a 32 MHz parallel-cut quartz crystal in FA-128 package with 8 pF load capacitance specification for precision timing applications. This low-frequency crystal oscillator is designed for real-time clock and microcontroller applications requiring accurate frequency reference with minimal jitter. Available in stock worldwide from Epson authorized distributors with RoHS compliance and fast international shipping for embedded systems and IoT device implementations.
- Manufacturer
- Epson Timing
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Category
- Crystal or Oscillator
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32 MHz frequency ideal for microcontroller and RISC-V processor clock references with low jitter performance
- 8 pF load capacitance simplifies external oscillator circuit design with minimal component count
- FA-128 package provides reliable hermetic enclosure for accurate frequency stability across industrial temperature ranges
Applications
The Q22FA12800025 provides precise 32 MHz clock timing for ARM Cortex-M microcontrollers, RISC-V processors, and digital signal processors in IoT edge devices, industrial measurement equipment, and automotive infotainment systems. Its 8 pF load capacitance and parallel-cut design simplify oscillator circuit design while delivering sub-1 ppm frequency accuracy. The device is widely used in battery-powered wearables, wireless sensor networks, and real-time control systems where accurate timing directly impacts data synchronization and wireless communication reliability.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the load capacitance of the Q22FA12800025 crystal and how does it affect oscillator design?
The Q22FA12800025 has a load capacitance (CL) specification of 8 pF, meaning external oscillator circuitry must present exactly 8 pF capacitance for the crystal to oscillate at the nominal 32 MHz frequency. Most microcontroller datasheets specify oscillator capacitor values (typically 16-22 pF external capacitors) summed with PCB trace capacitance (2-5 pF) to meet the 8 pF load requirement. Deviation from the 8 pF load causes frequency drift; operating at 10 pF CL shifts output approximately 50-100 ppm higher, potentially causing real-time clock errors of several seconds per day in 24-hour operation.
What frequency stability can I expect from the Q22FA12800025 32 MHz crystal oscillator across temperature ranges?
The Q22FA12800025 typically provides ±50 ppm frequency accuracy across 0°C to 50°C commercial temperature range, and ±100 ppm across expanded -20°C to 70°C industrial range. This ±100 ppm stability means a 32 MHz reference drifts by ±3.2 kHz maximum from nominal, equivalent to ±2.7 seconds per day timing error if uncorrected. For real-time clock and data acquisition applications, this ±100 ppm drift is acceptable; however, precision timing or frequency-critical applications (like SDR radio or GNSS receivers) require temperature-compensated oscillators (TCXO) or disciplined oscillators (OCXO) for sub-10 ppm performance.
Can the Q22FA12800025 32 MHz crystal be used with STM32F103 and other ARM Cortex-M microcontrollers?
Yes, the Q22FA12800025 is compatible with most ARM Cortex-M microcontrollers including STM32F1/F4 series, NXP LPC, and Atmel SAM controllers supporting 32 MHz system clock rates. The 8 pF load capacitance and FA-128 package footprint are standard across microcontroller datasheets; most MCU manufacturers provide design guidelines specifying 16-22 pF oscillator capacitors plus crystal load for reliable 32 MHz oscillation. The STM32F103 requires 0.5-2 MHz oscillator drive level; verify crystal specification sheet for drive level compatibility before circuit integration to ensure reliable startup without self-oscillation or excessive frequency pullout.
What is the frequency tolerance and aging rate of the Q22FA12800025 over a year of operation?
The Q22FA12800025 typically exhibits initial frequency tolerance of ±50 ppm at 25°C after manufacturing calibration, with additional aging of approximately ±25 ppm over the first year of operation due to internal quartz stress relaxation. Over 10 years of continuous operation, total aging accumulates to approximately ±150-200 ppm combined with temperature drift, requiring calibration or trimming in precision timekeeping applications. For consumer real-time clock applications, this ±150 ppm long-term drift equals 13 seconds per month timing error, typically acceptable; however, network time protocol (NTP) synchronization is recommended for accurate time-of-day applications where periodic external correction is feasible.
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About Epson Timing
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