In electronic device design, the 32.768KHz crystal oscillator serves as the core component of Real Time Clocks (RTC), where stability andreliability are paramount. While EPSON's MC-306 series has long been a mainstream choice in the market, technological advancements and the need for supply chain diversification have made finding high quality alternatives a key concern for many engineers. The PMX206 series crystal oscillator from Zhejiang A Crystal Electronic Technology Co., Ltd. is specifically designed as a high performance alternative solution to meet this demand.
Key Features of PMX206 Crystal (8038 SMD Tuning Fork Crystal PMX206, size 8.0*3.8*2.5 mm)
1. Excellent Frequency Stability
Frequency range: 25.60KHz to 307.20KHz, covering a wide range of application needs
Standard 32.768KHz frequency, fully compatible with MC-306
Frequency tolerance: ±5ppm to ±100ppm (referenced at 25℃)
Temperature coefficient: 0.034±0.006 ppm/℃², ensuring stable operation across various temperature environments
2. Optimized Electrical Parameters
High quality factor (Q): Typical value 75,000
Series resistance (R1): 35KΩMin 50KΩMax
Load capacitance (CL): Adjustable 6PF-30PF to accommodate different circuit designs
Insulation resistance (IR): ≥500MΩ (DC100V±15V)
Advantages of PMX206 Over MC-306
1. Wider Temperature Range : PMX206 offers an operating range of 40℃ to +85℃, making it more suitable for extreme environments than the standard MC-306
2. Better Frequency Stability : Excellent performance in temperature coefficient and aging rate ensures higher long term reliability
3. Flexible Load Capacitance Options : Adjustable range of 6-30pF facilitates circuit design optimization
4. Supply Chain Advantages : Zhejiang A Crystal, as a professional crystal oscillator manufacturer, provides stable supply assurance
5. Cost Effectiveness : Competitive pricing while maintaining equal or better performance
For engineers seeking alternatives to EPSON MC-306, the PMX206 offers excellent performance, reliable quality, and competitive pricing. Whether for new product designs or upgrades to existing products, PMX206 is a cost effective option worth considering. By choosing Zhejiang A Crystal, you not only get high quality crystal oscillator products but also professional technical support and supply chain security.
Contact Us for Technical Support and Sample Requests
Contact us today to learn how PMX206 can add value to your application!
For more technical details about the PMX206 crystal or to request samples, please contact our sales team:
Tel: 0086-576-89808609
Email: market@acrystals.com
Website: [www.acrystals.com](http://www.acrystals.com)
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