Product Overview
The SJK Series 7F is a seam-sealed ceramic surface mount quartz crystal unit with dimensions of 2.0x1.6mm. It is designed for applications requiring precise frequency control, offering a stable output at 32.000MHz with a load capacitance of 6.0pF and a frequency tolerance of 10ppm at 25C. The unit operates within a wide temperature range of -40C to +85C and is RoHS, REACH, and HF compliant.
Product Attributes
- Brand: SJK
- Origin: Shenzhen, China
- Material: Ceramic
- Certifications: RoHS, REACH, HF
- Package Type: 2.0*1.6mm Surface Mount
- Minimum Packaging: 3000pcs/reel
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Specification |
|---|---|
| Output Frequency | 32.000000MHz |
| Vibration Mode | AT/Fundamental Frequency |
| Frequency Tolerance (at 25C) | 10 ppm max |
| Load Capacitance (CL) | 6.0 PF |
| Frequency Stability Over Operating Temperature | 30ppm max |
| Operating Temperature Range | -40 C to +85 C |
| Storage Temperature Range | -40 C to +125 C |
| Shunt Capacitance (C0) | 3.0 PF Max |
| Driver Level (Typical) | 10W |
| Equivalent Series Resistance (ESR) | 60 Max |
| Aging @25C (1st year Max) | 3ppm/year |
| Testing Conditions (Ambient Temperature) | 255 |
| Testing Conditions (Relative Humidity) | 40%~70% |
| Reliability Test - Drop | Frequency change 5ppm, Resistance change 15% after 3 drops from 55cm onto wood board. |
| Reliability Test - Vibration | Frequency change 5ppm, Resistance change 15% after 2 hours vibration in each of X, Y, Z directions (10~55Hz, 1.5mm amplitude). |
| Reliability Test - Thermal Shock | Frequency change 5ppm, Resistance change 15% after 25 cycles of -40C (30min) to +85C (30min). |
| Reliability Test - Hermeticity | Leakage rate 110-9Pa.m3/s (Helium pressure: 50.5Kg/cm2 for 120 min). |
| Reliability Test - Resistance to Soldering Heat | Frequency change 5ppm, Resistance change 15% after 155 sec at 260C10C. |
| Reliability Test - Solderability | Over 90% coverage after dipping in 260C10C solder for 31 sec. |
| Reliability Test - High Temp. & Humidity | Frequency change 5ppm, Resistance change 15% after 240 hours at 60C2C, 90%~95% RH. No rust on product surface. |
| Reliability Test - High Temp. | Frequency change 5ppm, Resistance change 15% after 240 hours at 85C2C. |
| Reliability Test - Low Temp. | Frequency change 5ppm, Resistance change 15% after 240 hours at -40C2C. |
| Reliability Test - Life Test | Frequency change 5ppm, Resistance change 15% after 1000 hours at 5V, 25. |
2304131800_SJK-7F32000E06UCG_C524691.pdf
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