Product Overview
The QUARTZ CRYSTAL UNIT SERIES 7E is a seam-sealed ceramic surface mount package measuring 2.5*2.0mm. It is designed for applications requiring precise frequency control, offering a fundamental frequency of 16.000000MHz with a frequency tolerance of 10 ppm at 25C. This series is suitable for a wide operating temperature range of -40C to +85C and comes in a compact SMD package.
Product Attributes
- Brand: SJK (implied by P N/ SJK)
- Origin: Shenzhen, China
- Certifications: RoHS, REACH, HF
- Package Type: 2.5*2.0mm Surface Mount, Ceramic, Seam Sealed
- Minimum Packaging: 3000pcs/reel
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Specification |
|---|---|
| Output Frequency | 16.000000MHz |
| Mode | AT/Fundamental Frequency |
| Frequency Tolerance (@25C) | 10 ppm max |
| Load Capacitance (CL) | 8.0 PF |
| Frequency Stability Over Operating Temp | 10ppm max / -20 C to +70 C; 30ppm max/ -40 C to +85 C |
| 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) | 80 Max |
| Aging @25C (1st year Max) | 3ppm/year |
| Testing Conditions (Ambient Temp) | 255 |
| Testing Conditions (Relative Humidity) | 40%~70% |
| Reliability - Drop Test | Frequency change 5ppm, ESR change 15% after 3 drops from 55cm onto wood board. |
| Reliability - Vibration Test | Frequency change 5ppm, ESR change 15% after 2 hours vibration per axis (10~55Hz, 1.5mm amplitude). |
| Reliability - Thermal Shock | Frequency change 5ppm, ESR change 15% after 25 cycles (-40C to +85C, 30 min each, 3 min transition). |
| Reliability - Hermeticity | Leak Rate 110-9Pa.m3/s (He pressure 50.5Kg/cm, 120 min). |
| Reliability - Resistance to Soldering Heat | Frequency change 5ppm, ESR change 15% after 155 sec at 260C10C wave soldering. |
| Reliability - Solderability Test | 90% coverage after 31 sec dip in 260C10C solder. |
| Reliability - High Temp/Humidity | Frequency change 5ppm, ESR change 15% after 240 hrs at 60C2C / 90%~95% RH. No surface rust. |
| Reliability - High Temp Test | Frequency change 5ppm, ESR change 15% after 240 hrs at 85C2C. |
| Reliability - Low Temp Test | Frequency change 5ppm, ESR change 15% after 240 hrs at -40C2C. |
| Reliability - Life Test | Frequency change 5ppm, ESR change 15% after 1000 hrs at 5V, 25. |
2207271530_SJK-7E16000E08UCG_C524662.pdf
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