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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
16pF
Frequency:
25MHz
Mfr. Part #:
7U25000E16UCG
Package:
SMD3225-4P
Key Attributes
Model Number:
7U25000E16UCG
Product Description
Product Overview
The Series 7U is a seam-sealed ceramic, surface mount quartz crystal unit with a 3.2x2.5mm package. It offers precise frequency control and stability, making it suitable for various electronic applications requiring reliable oscillation.
Product Attributes
- Brand: SJK ()
- Origin: China
- Certifications: RoHS, REACH, HF
- Package Type: Ceramic, Surface Mount
- Package Size: 3.2x2.5mm
- Environmental Attributes: RoHS, REACH, HF
- Moisture Sensitivity Level: Level 1
- Minimum Packaging: 3000pcs/reel
Technical Specifications
| Parameter | Value | Unit | Condition |
|---|---|---|---|
| Output Frequency | 25.000000 | MHz | Center Frequency |
| Mode | AT/Fundamental | ||
| Frequency Tolerance | 10 | ppm max | at 25C |
| Load Capacitance (CL) | 16.0 | PF | |
| Frequency Stability Over Operating Temperature | 30 | ppm max | |
| Operating Temperature Range | -40 to +85 | C | |
| Storage Temperature Range | -40 to +125 | C | |
| Shunt Capacitance (C0) | 3.0 | PF Max | |
| Driver Level (Typical) | 10 | W | |
| Equivalent Series Resistance (ESR) | 40 | Max | |
| Aging @25C (1st year Max) | 3 | ppm/year | |
| Testing Condition - Ambient Temperature | 255 | C | Standard atmospheric conditions |
| Testing Condition - Relative Humidity | 40-70 | % | Standard atmospheric conditions |
| Drop Test | Frequency change 5ppm, Resistance change 15% | 55cm height, 3 times on wooden board | |
| Vibration Test | Frequency change 5ppm, Resistance change 15% | 10-55Hz, 1.5mm amplitude, 2 hours/axis (X,Y,Z) | |
| Thermal Shock Test | Frequency change 5ppm, Resistance change 15% | -40C (30min) to +85C (30min), 25 cycles | |
| Hermeticity Test | Leakage Rate 110-9 Pa.m/s (He pressure 50.5Kg/cm, 120 min) | ||
| Resistance to Soldering Heat | Frequency change 5ppm, Resistance change 15% | 260C10C, 155 sec | |
| Tinning Test | 90% pin coverage after dipping (260C10C, 31 sec) | ||
| High Temp. & High Humidity Test | Frequency change 5ppm, Resistance change 15% | 60C2C, 90%-95% RH, 240 hours | |
| High Temperature Test | Frequency change 5ppm, Resistance change 15% | 85C2C, 240 hours | |
| Low Temperature Test | Frequency change 5ppm, Resistance change 15% | -40C2C, 240 hours | |
| Life Test | Frequency change 5ppm, Resistance change 15% | 5V, 25C, 1000 hours | |
2304131800_SJK-7U25000E16UCG_C524746.pdf
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