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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
10pF
Frequency:
25MHz
Mfr. Part #:
7Y25000E10UCG
Package:
SMD1612-4P
Key Attributes
Model Number:
7Y25000E10UCG
Product Description
QUARTZ CRYSTAL UNIT SERIES 7Y
The 7Y Series is a seam-sealed ceramic surface mount quartz crystal unit with a 1.6*1.2mm package. This product is designed for applications requiring precise frequency control in a compact form factor.
Product Attributes
- Brand: SJK
- Origin: Shenzhen, China
- Certifications: RoHS, REACH, HF
- Package Type: Seam Sealed Ceramic, Surface Mount
- Package Dimensions: 1.6*1.2mm
- Minimum Packaging: 3000pcs/real
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Output Frequency | 25.000000MHz | |
| Vibration Mode | AT/Fundamental Frequency | |
| Frequency Tolerance (@ 25C) | 10 ppm max | |
| Load Capacitance (CL) | 10.0 PF | |
| Frequency Stability Over Operating Temperature | 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) | 100 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 |
| Measurement Equipment | S&A250B or equivalent |
Reliability Test Specification
| No. | Test Item | Test Condition | Standard Requirement |
|---|---|---|---|
| 1 | Drop | 55cm height onto wooden board, 3 times | Frequency change 5ppm, Resistance change 15% |
| 2 | Vibration | 10~55Hz, 1.5mm amplitude, 2 hours per axis (X, Y, Z) | Frequency change 5ppm, Resistance change 15% |
| 3 | Thermal Shock | 25 cycles: -403 for 30 min, 852 for 30 min, 3 min transition | Frequency change 5ppm, Resistance change 15% |
| 4 | Hermeticity | Helium pressure: 50.5Kg/cm, 120 min | Leak rate 110-9Pa.m3/s |
| 5 | Resistance to Soldering Heat | Wave crest temp: 260C10C, 155 sec | Frequency change 5ppm, Resistance change 15% |
| 6 | Solderability Test | Temp: 260C10C, Immersion time: 31 sec | Soldered area coverage 90% |
| 7 | High Temperature and Humidity | Temp: 60C2C, Humidity: 90%~95%, 240 hours | Frequency change 5ppm, Resistance change 15%; No rust on product surface |
| 8 | High Temperature Test | Temp: 85C2C, 240 hours | Frequency change 5ppm, Resistance change 15% |
| 9 | Low Temperature Test | Temp: -40C2C, 240 hours | Frequency change 5ppm, Resistance change 15% |
| 10 | Life Test | Voltage: 5V, Temp: 25, 1000 hours | Frequency change 5ppm, Resistance change 15% |
2207271530_SJK-7Y25000E10UCG_C557205.pdf
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