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Specifications
Mfr. Part #:
7E12288E20UCG
Package:
SMD2520-4P
Key Attributes
Model Number:
7E12288E20UCG
Product Description
QUARTZ CRYSTAL UNIT SERIES 7E
The Series 7E is a seam-sealed ceramic surface mount quartz crystal unit designed for various electronic applications. Its compact 2.5x2.0mm package makes it suitable for space-constrained designs. This product is manufactured with adherence to RoHS, REACH, and HF environmental standards.
Product Attributes
- Brand: SJK
- Origin: Shenzhen, China
- Package Type: 2.5x2.0mm Surface Mount Ceramic
- Sealing: Seam Sealed
- Environmental Compliance: RoHS, REACH, HF
- Minimum Packaging: 3000pcs/reel
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Output Frequency | 12.288000MHz | Fundamental Frequency |
| Frequency Tolerance (@25C) | 10 ppm max | |
| Load Capacitance (CL) | 20.0 PF | |
| Frequency Stability Over Temperature | 30ppm max | |
| 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) | 180 Max | |
| Aging @25C (1st year Max) | 3ppm/year | |
| Part Number (SJK) | 7E12288E20UCG |
Reliability Test Specification
| No. | Test Item | Test Condition | Standard Requirement |
|---|---|---|---|
| 1 | Drop | 55cm height, free fall onto wood 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: -403C (30min) to 852C (30min), 3min transition | Frequency change 5ppm, Resistance change 15% |
| 4 | Hermeticity | Helium pressure: 50.5Kg/cm, 120 min | Leak rate 110-9Pa.m/s |
| 5 | Resistance to Soldering Heat | Wave crest temp: 260C10C, 155 sec | Frequency change 5ppm, Resistance change 15% |
| 6 | Solderability Test | 260C10C, 31 sec immersion | Over 90% coverage after tinning |
| 7 | High Temp & Humidity | 60C2C, 90%~95% RH, 240 hours | Frequency change 5ppm, Resistance change 15%; No rust on surface |
| 8 | High Temperature Test | 85C2C, 240 hours | Frequency change 5ppm, Resistance change 15% |
| 9 | Low Temperature Test | -40C2C, 240 hours | Frequency change 5ppm, Resistance change 15% |
| 10 | Life Test | Voltage: 5V, Temperature: 25, 1000 hours | Frequency change 5ppm, Resistance change 15% |
2504101957_SJK-7E12288E20UCG_C46594473.pdf
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