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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
10pF
Frequency:
24.576MHz
Mfr. Part #:
7U24576E10UCG
Package:
SMD3225-4P
Key Attributes
Model Number:
7U24576E10UCG
Product Description
QUARTZ CRYSTAL UNIT SERIES 7U
The Series 7U is a seam-sealed ceramic surface mount quartz crystal unit with a 3.2x2.5mm package. It is designed for various electronic applications requiring precise frequency control.
Product Attributes
- Brand: SJK
- Origin: Shenzhen, China
- Certifications: RoHS, REACH, HF
- Minimum Packaging: 3000pcs/reel
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Specification | Condition |
| Output Frequency | 24.576000MHz | |
| Mode | AT/Fundamental Frequency | |
| Frequency Tolerance | 10 ppm max | at 25C |
| Load Capacitance (CL) | 10.0 PF | |
| Frequency Stability (Operating Temp) | 10ppm max | -20 C to +70 C |
| Frequency Stability (Operating Temp) | 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) | 40 Max | |
| Aging @25C (1st year Max) | 3ppm/year | |
| Testing Condition (Ambient Temp) | 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 onto wooden board, 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 of -403 (30min) to 852 (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% | 260C10C for 155 seconds |
| Reliability Test - Solderability | Pin coverage 90% | 260C10C for 31 seconds |
| Reliability Test - High Temp/High Humidity | Frequency change 5ppm, Resistance change 15%, No rust on surface | 60C2, 90%~95% RH for 240 hours |
| Reliability Test - High Temperature Test | Frequency change 5ppm, Resistance change 15% | 85C2 for 240 hours |
| Reliability Test - Low Temperature Test | Frequency change 5ppm, Resistance change 15% | -40C2 for 240 hours |
| Reliability Test - Life Test | Frequency change 5ppm, Resistance change 15% | 5V, 25 for 1000 hours |
2207271530_SJK-7U24576E10UCG_C557198.pdf
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