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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
8pF
Frequency:
32MHz
Mfr. Part #:
7U32000E08UCG
Package:
SMD3225-4P
Key Attributes
Model Number:
7U32000E08UCG
Product Description
Product Overview
The Quartz Crystal Unit Series 7U is a seam-sealed ceramic surface mount package measuring 3.2x2.5mm. It is designed for applications requiring precise frequency control.
Product Attributes
- Brand: SJK
- Origin: Shenzhen, China
- Certifications: RoHS, REACH, HF
- Package Type: 3.2*2.5MM Surface Mount
- Sealing: Seam Sealed Ceramic
- Minimum Packaging: 3000pcs/real
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Specification |
| Output Frequency | 32.000000MHz |
| Mode | AT/Fundamental |
| Frequency Tolerance (@ 25C) | 10 ppm max |
| Load Capacitance (CL) | 8.0 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) | 40 Max |
| Aging @ 25C (1st year Max) | 3ppm/year |
Reliability Test Specification
| No. | Test Item | Test Conditions | Standard Requirements |
| 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 direction (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, Pressurization time: 120 minutes | Leak rate: 110-9Pa.m3/s |
| 5 | Resistance to Soldering Heat | Wave crest temp: 260C10C, Duration: 155 seconds | Frequency change within 5ppm, resistance change within 15% before and after test |
| 6 | Solderability Test | Temperature: 260C10C, Immersion time: 31 seconds | Solder-covered area of pins 90% |
| 7 | High Temperature & 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 be rusted. |
| 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-7U32000E08UCG_C524765.pdf
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