Product Overview
The QUARTZ CRYSTAL UNIT SERIES 7F is a seam-sealed ceramic surface mount package measuring 2.0*1.6mm. It is designed for applications requiring precise frequency control, offering a stable output at 27.000MHz with a load capacitance of 10.0 PF and a frequency tolerance of 10 ppm at 25C. This series is suitable for a wide operating temperature range of -40C to +85C and a storage temperature range of -40C to +125C.
Product Attributes
- Brand: SJK
- Origin: Shenzhen, China
- Package Type: Seam Sealed Ceramic Surface Mount
- Package Size: 2.0*1.6mm
- Certifications: RoHS, REACH, HF
- Minimum Packaging: 3000pcs/reel
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Specification |
|---|---|
| Output Frequency | 27.000000MHz |
| Vibration Mode | AT/Fundamental Frequency |
| Frequency Tolerance (at 25C) | 10 ppm max |
| Load Capacitance (CL) | 10.0 PF |
| Frequency Stability Over Operating Temperature | 10ppm max (-2070C); 30ppm max (-40~85) |
| 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 Condition (Ambient Temperature) | 255 |
| Testing Condition (Relative Humidity) | 40%~70% |
| Reliability - Drop Test | Frequency change 5ppm, Resistance change 15% after 3 drops from 55cm onto wood board. |
| Reliability - Vibration Test | Frequency change 5ppm, Resistance change 15% after 2 hours vibration per axis (10~55Hz, 1.5mm amplitude). |
| Reliability - Thermal Shock Test | Frequency change 5ppm, Resistance change 15% after 25 cycles of -40C (30min) to 85C (30min). |
| Reliability - Hermeticity Test | Leak rate 110-9Pa.m3/s (Helium pressure: 50.5Kg/cm2 for 120 min). |
| Reliability - Resistance to Soldering Heat | Frequency change 5ppm, Resistance change 15% after 155 sec at 260C10C. |
| Reliability - Solderability Test | Over 90% coverage after dipping pins in 260C10C solder for 31 sec. |
| Reliability - High Temperature & Humidity Test | Frequency change 5ppm, Resistance change 15% after 240 hours at 60C2C, 90%~95% RH. No rust on product surface. |
| Reliability - High Temperature Test | Frequency change 5ppm, Resistance change 15% after 240 hours at 85C2C. |
| Reliability - Low Temperature Test | Frequency change 5ppm, Resistance change 15% after 240 hours at -40C2C. |
| Reliability - Life Test | Frequency change 5ppm, Resistance change 15% after 1000 hours at 5V, 25. |
2409271433_SJK-7F27000E10UCG_C524687.pdf
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