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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
9pF
Frequency:
22.1184MHz
Mfr. Part #:
7U22118AE09UCG
Package:
SMD3225-4P
Key Attributes
Model Number:
7U22118AE09UCG
Product Description
QUARTZ CRYSTAL UNIT SERIES 7U
The 7U Series 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
- Package Type: 3.2*2.5mm Surface Mount Ceramic
- Sealing: Seam Sealed
- Moisture Sensitivity Level: Level 1
- Minimum Packaging: 3000pcs/reel
Technical Specifications
| Part Number (P/N SJK) | Output Frequency | Mode | Frequency Tolerance (@25C) | Load Capacitance (CL) | Frequency Stability Over Temp | Operating Temperature | Storage Temperature | Shunt Capacitance (C0) | Driver Level (Typical) | ESR (Max) | Aging (1st Year Max @25C) |
| 7U22118AE09UCG | 22.118400MHz | AT/Fundamental | 10 ppm | 9.0 PF | 10ppm max (-20C to +70C) 30ppm max (-40C to +85C) | -40C to +85C | -40C to +125C | 3.0 PF | 10W | 60 | 3ppm/year |
Reliability Test Specification
| No. | Test Item | Test Condition | Standard Requirement |
| 1 | Drop | Free drop from 55cm height onto a wooden board, 3 times | Frequency variation within 5ppm, resistance variation within 15% before and after test |
| 2 | Vibration | Frequency: 10~55Hz, Amplitude: 1.5mm, Duration: 2 hours per axis (X, Y, Z) | Frequency variation within 5ppm, resistance variation within 15% before and after test |
| 3 | Thermal Shock | 25 cycles of high/low temperature in a test chamber. Low temp: -403C for 30 min, High temp: 852C for 30 min. Temp change every 3 min. | Frequency variation within 5ppm, resistance variation 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 variation within 5ppm, resistance variation within 15% before and after test |
| 6 | Solderability Test | Temperature: 260C10C, Immersion time: 31 seconds | Soldered area coverage of pins 90% |
| 7 | High Temperature High Humidity | Temperature: 60C2C, Humidity: 90%~95%, Duration: 240 hours | 1. Frequency variation within 5ppm, resistance variation within 15% before and after test. 2. Product surface must not rust. |
| 8 | High Temperature Test | Temperature: 85C2C, Duration: 240 hours | Frequency variation within 5ppm, resistance variation within 15% before and after test |
| 9 | Low Temperature Test | Temperature: -40C2C, Duration: 240 hours | Frequency variation within 5ppm, resistance variation within 15% before and after test |
| 10 | Life Test | Voltage: 5V, Temperature: 25, Duration: 1000 hours | Frequency variation within 5ppm, resistance variation within 15% before and after test |
2207271530_SJK-7U22118AE09UCG_C524737.pdf
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