نظرة عامة على المنتج
The DT-26 32.768KHZ from KDS (Daishinku Corporation) is a 32.768 kHz tuning fork quartz crystal in a cylindrical 2x6mm through-hole package. This is one of the most widely used timekeeping crystals in the electronics industry, providing the standard 32.768 kHz reference frequency for real-time clock (RTC) circuits in watches, clocks, and embedded systems.
المواصفات الرئيسية
| الشركة المصنعة | KDS (Daishinku Corporation) |
| Frequency | 32.768 kHz |
| Crystal Type | Tuning Fork (NT-cut / XY-cut) |
| Frequency Tolerance | ±20 ppm at 25°C |
| Load Capacitance | 12.5 pF |
| ESR (Series Resistance) | 40 kOhm max (50 kOhm per some grades) |
| Drive Level | 1.0 µW max |
| Aging (1st year) | < ±3 ppm |
| Turnover Temperature | 25 ± 5°C |
| Parabolic Coefficient | -0.04 ppm/°C² max |
| درجة حرارة التشغيل | -40 درجة مئوية إلى +85 درجة مئوية |
| الحزمة | DT-26 Cylindrical (2.0 x 6.0 mm), 2-pin through-hole |
| RoHS | متوافق |
الميزات
- 32.768 kHz tuning fork quartz crystal
- Industry-standard DT-26 cylindrical 2x6mm package
- 12.5 pF load capacitance matching most RTC ICs
- ±20 ppm frequency tolerance at 25°C
- Low ESR 40 kOhm max
- 1 µW max drive level
- Parabolic temperature characteristic with turnover at 25°C
- Widely used in watches and timekeeping circuits
التطبيقات
- Real-time clock (RTC) modules
- Watch and clock circuits
- Calendar functions in microcontrollers
- Battery-backed time reference
- Power metering timekeeping
- Automotive body electronics
- Industrial timing systems