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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Load Capacitance:
10pF
Operating Temperature:
-40℃~+85℃
Frequency:
38.4MHz
Mfr. Part #:
7U38400E10UCG
Package:
SMD3225-4P
Key Attributes
Model Number:
7U38400E10UCG
Product Description
Product Overview
The Series 7U 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: China (3C1212041206)
- Package Type: 3.2*2.5MM Surface Mount, Ceramic, Seam Sealed
- Certifications: RoHS, REACH, HF
- Minimum Packaging: 3000pcs/reel
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Specification |
| Model Name | 7U38400E10UCG |
| Nominal Frequency | 38.400000MHz |
| Vibration Mode | AT/Fundamental |
| Frequency Tolerance (at 25C) | 10 ppm max |
| Load Capacitance (CL) | 10.0 PF |
| Frequency Stability Over Operating Temperature | 30ppm max |
| 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 Conditions (Ambient Temp) | 255 |
| Testing Conditions (Relative Humidity) | 40%~70% |
| Testing Equipment | S&A250B or equivalent |
Reliability Test Specification
| Test Item | Test Conditions | Standard Requirements |
| Drop Test | Free fall from 55cm height onto a wooden board, 3 times | Frequency change within 5ppm, Resistance change within 15% before and after test |
| Vibration Test | 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 |
| Thermal Shock Test | 25 cycles of high and low temperature: -403 for 30 min, 852 for 30 min. Transition time: 3 min. | Frequency change within 5ppm, Resistance change within 15% before and after test |
| Hermeticity Test | Helium pressure: 50.5Kg/cm, Pressurization time: 120 min | Leak rate: 110-9Pa.m3/s |
| Resistance to Soldering Heat | Wave crest temperature: 260C10C, Time: 155 sec | Frequency change within 5ppm, Resistance change within 15% before and after test |
| Solderability Test | Temperature: 260C10C, Immersion time: 31 sec | Solder coverage on pins 90% |
| High Temperature and Humidity Test | Temperature: 60C2C, Humidity: 90%~95%, Duration: 240 hours | Frequency change within 5ppm, Resistance change within 15% before and after test. No rust on product surface. |
| High Temperature Test | Temperature: 85C2C, Duration: 240 hours | Frequency change within 5ppm, Resistance change within 15% before and after test |
| Low Temperature Test | Temperature: -40C2C, Duration: 240 hours | Frequency change within 5ppm, Resistance change within 15% before and after test |
| Life Test | Voltage: 5V, Temperature: 25, Duration: 1000 hours | Frequency change within 5ppm, Resistance change within 15% before and after test |
2303170930_SJK-7U38400E10UCG_C5375511.pdf
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