Product Overview
The SJK 7F series is a seam-sealed ceramic surface mount quartz crystal unit with dimensions of 2.0*1.6mm. It offers a fundamental frequency of 24.000MHz with a load capacitance of 9.0 PF. This series is designed for applications requiring stable frequency performance across a wide operating temperature range of -40C to +85C. It is RoHS, REACH, and HF compliant.
Product Attributes
- Brand: SJK
- Origin: Shenzhen, China
- Material: Ceramic, Seam Sealed
- Package: 2.0*1.6mm Surface Mount
- Certifications: RoHS, REACH, HF
- Moisture Sensitivity Level: Level 1
- Minimum Packaging: 3000pcs/reel
Technical Specifications
| Parameter | Value | Condition |
|---|---|---|
| Product Name | QUARTZ CRYSTAL UNIT SERIES 7F | SMD 2016 |
| Center Frequency | 24.000000MHz | |
| Vibration Mode | AT/Fundamental Frequency | |
| Frequency Tolerance | 10 ppm max | at 25C |
| Load Capacitance (CL) | 9.0 PF | |
| Frequency Stability Over Operating Temperature | 10ppm max | -2070C |
| Frequency Stability Over Operating Temperature | 30ppm max | -4085C |
| 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 | Standard atmospheric conditions |
| Testing Condition (Relative Humidity) | 40%~70% | Standard atmospheric conditions |
| Reliability Test: Drop | Frequency change 5ppm, Resistance change 15% | From 55cm height, 3 times |
| Reliability Test: Vibration | Frequency change 5ppm, Resistance change 15% | 10~55Hz, 1.5mm amplitude, 2 hours per axis (X, Y, Z) |
| Reliability Test: Thermal Shock | Frequency change 5ppm, Resistance change 15% | 25 cycles (-403 for 30min, 852 for 30min, 3min transition) |
| Reliability Test: Hermeticity | Leakage rate 110-9Pa.m3/s | Helium pressure: 50.5Kg/cm2, 120 minutes |
| Reliability Test: Resistance to Soldering Heat | Frequency change 5ppm, Resistance change 15% | Peak temp: 260C10C, Time: 155 sec |
| Reliability Test: Tinning Test | Pin coverage 90% | Temp: 260C10C, Immersion time: 31 sec |
| Reliability Test: High Temp & High Humidity | Frequency change 5ppm, Resistance change 15%, No rust on surface | Temp: 60C2C, Humidity: 90%~95%, Time: 240 hours |
| Reliability Test: High Temperature Test | Frequency change 5ppm, Resistance change 15% | Temp: 85C2C, Time: 240 hours |
| Reliability Test: Low Temperature Test | Frequency change 5ppm, Resistance change 15% | Temp: -40C2C, Time: 240 hours |
| Reliability Test: Life Test | Frequency change 5ppm, Resistance change 15% | Voltage: 5V, Temp: 25, Time: 1000 hours |
2207271530_SJK-7F24000E09UCG_C252271.pdf
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