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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
10pF
Frequency:
25MHz
Mfr. Part #:
7U25000E10UCG
Package:
SMD3225-4P
Key Attributes
Model Number:
7U25000E10UCG
Product Description
Product Overview
The QUARTZ CRYSTAL UNIT SERIES 7U is a seam-sealed ceramic surface mount crystal oscillator in a 3.2*2.5mm package. It is designed for applications requiring stable frequency output and is suitable for a wide operating temperature range.
Product Attributes
- Brand: SJK ()
- Origin: Shenzhen, China
- Package Type: 3.2*2.5mm Surface Mount Ceramic
- Certifications: RoHS, REACH, HF
- Minimum Packaging: 3000pcs/real
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Value | Condition |
| Product Name | QUARTZ CRYSTAL UNIT SERIES 7U | |
| Part Number (P/N SJK) | 7U25000E10UCG | |
| Output Frequency | 25.000000MHz | |
| Mode | AT/Fundamental Frequency | |
| Frequency Tolerance | 10 ppm max | at 25C |
| Load Capacitance (CL) | 10.0 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 | 55cm onto wood board, 3 times | Frequency change 5ppm, Resistance change 15% |
| Reliability Test - Vibration | 10~55Hz, 1.5mm amplitude, 2 hours per axis (X,Y,Z) | Frequency change 5ppm, Resistance change 15% |
| Reliability Test - Thermal Shock | 25 cycles (-403 for 30 min, 852 for 30 min, 3 min transition) | Frequency change 5ppm, Resistance change 15% |
| Reliability Test - Hermeticity | Helium pressure: 50.5Kg/cm, 120 min | Leak rate 110-9Pa.m3/s |
| Reliability Test - Resistance to Soldering Heat | 260C10C for 155 sec | Frequency change 5ppm, Resistance change 15% |
| Reliability Test - Solderability | 260C10C for 31 sec | Pin coverage 90% |
| Reliability Test - High Temp. & Humidity | 60C2, 90%~95% RH for 240 hours | Frequency change 5ppm, Resistance change 15%; No rust on surface |
| Reliability Test - High Temperature | 85C2 for 240 hours | Frequency change 5ppm, Resistance change 15% |
| Reliability Test - Low Temperature | -40C2 for 240 hours | Frequency change 5ppm, Resistance change 15% |
| Reliability Test - Life Test | 5V, 25 for 1000 hours | Frequency change 5ppm, Resistance change 15% |
2207271530_SJK-7U25000E10UCG_C524745.pdf
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