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 26.000000MHz with a load capacitance of 15.0 PF and a frequency tolerance of 10 ppm at 25C. This unit operates within a temperature range of -40C to +85C and is suitable for environments requiring RoHS, REACH, and HF compliance.
Product Attributes
- Brand: SJK
- Origin: Shenzhen, China
- Material: Ceramic
- Certifications: RoHS, REACH, HF
- Package Type: Surface Mount (2.0*1.6mm)
- Sealing: Seam Sealed
- Minimum Packaging: 3000pcs/real
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Specification |
|---|---|
| Output Frequency | 26.000000MHz |
| Vibration Mode | AT/Fundamental Frequency |
| Frequency Tolerance (at 25C) | 10 ppm max |
| Load Capacitance (CL) | 15.0 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 |
| Reliability Test: Drop | Frequency change 5ppm, ESR change 15% after 3 drops from 55cm |
| Reliability Test: Vibration | Frequency change 5ppm, ESR change 15% (10~55Hz, 1.5mm amplitude, 2 hours per axis) |
| Reliability Test: Thermal Shock | Frequency change 5ppm, ESR change 15% after 25 cycles (-40C to +85C) |
| Reliability Test: Hermeticity | Leak rate 110-9Pa.m3/s (Helium pressure: 50.5Kg/cm2 for 120 mins) |
| Reliability Test: Resistance to Soldering Heat | Frequency change 5ppm, ESR change 15% (Peak temp: 260C10C for 155 sec) |
| Reliability Test: Tinning Test | Tin coverage 90% (Temp: 260C10C, Soak time: 31 sec) |
| Reliability Test: High Temp & Humidity | Frequency change 5ppm, ESR change 15% (60C2C, 90%~95% RH for 240 hours) |
| Reliability Test: High Temperature Test | Frequency change 5ppm, ESR change 15% (85C2C for 240 hours) |
| Reliability Test: Low Temperature Test | Frequency change 5ppm, ESR change 15% (-40C2C for 240 hours) |
| Reliability Test: Life Test | Frequency change 5ppm, ESR change 15% (5V, 25 for 1000 hours) |
2410310918_SJK-7F26000E15UCG_C42372079.pdf
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