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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
9pF
Frequency:
28.63636MHz
Mfr. Part #:
7U28636AE09UCG
Package:
SMD3225-4P
Key Attributes
Model Number:
7U28636AE09UCG
Product Description
Product Overview
The 7U Series Quartz Crystal Unit is a seam-sealed ceramic surface mount component with a 3.2x2.5mm package. It offers precise frequency control for various electronic applications.
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 | Value | Condition |
|---|---|---|
| Output Frequency | 28.636360MHz | |
| Mode | AT/Fundamental | |
| Frequency Tolerance | 10 ppm max | at 25C |
| Load Capacitance (CL) | 9.0 PF | |
| Frequency Stability Over Operating Temperature | 10ppm max | -20 C to +70 C |
| Frequency Stability Over Operating Temperature | 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 | |
| Testing Condition (Ambient Temperature) | 255 | Standard atmospheric conditions |
| Testing Condition (Relative Humidity) | 40%~70% | Standard atmospheric conditions |
| Reliability Test - Drop | Frequency change 5ppm, Resistance change 15% | From 55cm height onto wood board, 3 times |
| Reliability Test - Vibration | Frequency change 5ppm, Resistance change 15% | 10~55Hz, 1.5mm amplitude, 2 hours per axis (X, Y, Z) |
| Reliability Test - Thermal Shock | Frequency change 5ppm, Resistance change 15% | 25 cycles of -40C (30 min) to +85C (30 min), 3 min transition |
| Reliability Test - Hermeticity | Leak Rate 110-9Pa.m3/s | Helium pressure 50.5Kg/cm2, 120 minutes |
| Reliability Test - Resistance to Soldering Heat | Frequency change 5ppm, Resistance change 15% | Peak temp 260C10C, 155 seconds |
| Reliability Test - Tinning Test | Soldered area 90% | Temp 260C10C, 31 seconds |
| Reliability Test - High Temp & Humidity | Frequency change 5ppm, Resistance change 15%; No surface rust | 60C2C, 90%~95% RH, 240 hours |
| Reliability Test - High Temperature Test | Frequency change 5ppm, Resistance change 15% | 85C2C, 240 hours |
| Reliability Test - Low Temperature Test | Frequency change 5ppm, Resistance change 15% | -40C2C, 240 hours |
| Reliability Test - Life Test | Frequency change 5ppm, Resistance change 15% | Voltage 5V, Temp 25, 1000 hours |
2207271530_SJK-7U28636AE09UCG_C524758.pdf
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