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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
16pF
Frequency:
16MHz
Mfr. Part #:
7U16000E16UCG
Package:
SMD3225-4P
Key Attributes
Model Number:
7U16000E16UCG
Product Description
QUARTZ CRYSTAL UNIT SERIES 7U
The Series 7U is a seam-sealed ceramic, 3.2*2.5mm surface mount quartz crystal unit. It is designed for applications requiring stable frequency output within a specified operating temperature range.
Product Attributes
- Brand: SJK
- Origin: Shenzhen, China
- Certifications: RoHS, REACH, HF
- Package: 3.2*2.5mm Surface Mount Ceramic
- Minimum Packaging: 3000pcs/reel
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Part Number (P/N SJK) | Output Frequency | Mode | Frequency Tolerance (at 25C) | Load Capacitance (CL) | Frequency Stability Over Operating Temp | Operating Temperature Range | Storage Temperature Range | Shunt Capacitance (C0) | Driver Level (Typical) | Equivalent Series Resistance (ESR) | Aging @25C (1st year Max) |
| 7U16000E16UCG | 16.000000MHz | AT/Fundamental | 10 ppm max | 16.0 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 | 60 Max | 3ppm/year |
Testing Conditions
Standard atmospheric conditions: Ambient temperature: 255, Relative humidity: 40%~70%. Electrical characteristics measured by S&A250B or equivalent.
Reliability Test Specification
| No. | Test Item | Test Condition | Standard Requirement |
| 1 | Drop | Free fall 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 direction (X, Y, Z) | Frequency variation within 5ppm, resistance variation within 15% before and after test |
| 3 | Thermal Shock | 25 cycles of high and low temperature in a test chamber. Low temp: -403 (30 min), High temp: 852 (30 min). Transition time: 3 minutes. | 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 Solder Heat | Wave crest temperature: 260C10C, Duration: 155 seconds | Frequency variation within 5ppm, resistance variation within 15% before and after test |
| 6 | Solderability Test | Temperature: 260C10C, Immersion time: 31 seconds | Solder coverage on 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. No rust on product surface. |
| 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-7U16000E16UCG_C557188.pdf
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