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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
8pF
Frequency:
25MHz
Mfr. Part #:
7Y25000E08UCG
Package:
SMD1612-4P
Key Attributes
Model Number:
7Y25000E08UCG
Product Description
Product Overview
The QUARTZ CRYSTAL UNIT SERIES 7Y is a seam-sealed ceramic surface mount package measuring 1.6*1.2mm. It is designed for applications requiring precise frequency control.
Product Attributes
- Brand: SJK
- Origin: Shenzhen, China
- Certifications: RoHS, REACH, HF
- Package Type: Ceramic Surface Mount
- Sealing: Seam Sealed
- Minimum Packaging: 3000pcs/real
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Part Number (P/N SJK) | Output Frequency | Mode | Frequency Tolerance (@25C) | Load Capacitance (CL) | Frequency Stability (Operating Temp) | Operating Temperature Range | Storage Temperature Range | Shunt Capacitance (C0) | Driver Level (Typical) | Equivalent Series Resistance (ESR) | Aging @25C (1st Year Max) |
| 7Y25000E08UCG | 25.000000MHz | AT/Fundamental | 10 ppm max | 8.0 PF | 10ppm max / -20 C to +70 C 30ppm max/ -40 C to +85 C | -40 C to +85 C | -40 C to +125 C | 3.0 PF Max | 10W | 100 Max | 3ppm/year |
Reliability Test Specification
| No. | Test Item | Test Condition | Standard Requirement |
| 1 | Drop | Free fall from 55cm height onto a wooden board, 3 times | Frequency change within 5ppm, resistance change within 15% before and after test |
| 2 | Vibration | Frequency: 10~55Hz, Amplitude: 1.5mm, Duration: 2 hours per orientation (X, Y, Z) | Frequency change within 5ppm, resistance change within 15% before and after test |
| 3 | Thermal Shock | 25 cycles of high and low temperature in a test chamber. Low temp: -403 for 30 min, High temp: 852 for 30 min. Transition time: 3 min. | Frequency change within 5ppm, resistance change within 15% before and after test |
| 4 | Hermeticity | Helium pressure: 50.5Kg/cm, Helium pressurization time: 120 minutes | Leak rate: 110-9Pa.m3/s |
| 5 | Resistance to Soldering Heat | Wave crest temp: 260C10C, Time: 155 seconds | Frequency change within 5ppm, resistance change within 15% before and after test |
| 6 | Solderability Test | Temperature: 260C10C, Immersion time: 31 seconds | Soldered area coverage of pins 90% |
| 7 | High Temperature and Humidity | Temperature: 60C2C, Humidity: 90%~95%, Duration: 240 hours | 1. Frequency change within 5ppm, resistance change within 15% before and after test. 2. Product surface should not rust. |
| 8 | High Temperature Test | Temperature: 85C2C, Duration: 240 hours | Frequency change within 5ppm, resistance change within 15% before and after test |
| 9 | Low Temperature Test | Temperature: -40C2C, Duration: 240 hours | Frequency change within 5ppm, resistance change within 15% before and after test |
| 10 | Life Test | Voltage: 5V, Temperature: 25, Duration: 1000 hours | Frequency change within 5ppm, resistance change within 15% before and after test |
2207271530_SJK-7Y25000E08UCG_C557204.pdf
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