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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
12pF
Frequency:
37.4MHz
Mfr. Part #:
7F37400E12UCG
Package:
SMD2016-4P
Key Attributes
Model Number:
7F37400E12UCG
Product Description
QUARTZ CRYSTAL UNIT SERIES 7F
The Series 7F is a seam-sealed ceramic surface mount quartz crystal unit with a 2.0*1.6mm package. It is designed for applications requiring precise frequency control and stability over a wide operating temperature range. This product is RoHS, REACH, and HF compliant.
Product Attributes
- Brand: SJK
- Origin:
- Package: 2.0*1.6mm Surface Mount Ceramic
- Certifications: RoHS, REACH, HF
- Minimum Packaging: 3000pcs/real
- Moisture Sensitivity Level: Level 1
Technical Specifications
| Parameter | Specification |
| Model | 7F37400E12UCG |
| Output Frequency | 37.400000MHz |
| Vibration Mode | AT/Fundamental Frequency |
| Frequency Tolerance (at 25C) | 10 ppm max |
| Load Capacitance (CL) | 12.0 PF |
| Frequency Stability (over Operating Temperature) | 10ppm max (-2070C); 30ppm max (-40~85) |
| 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) | 60 Max |
| Aging @25C (1st year, Max) | 3ppm/year |
| Testing Conditions (Ambient Temperature) | 255 |
| Testing Conditions (Relative Humidity) | 40%~70% |
| Measurement Equipment | S&A250B or equivalent |
Reliability Test Specification
| No. | Test Item | Test Conditions | Standard Requirements |
| 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, Time: 2 hours per orientation (X, Y, Z) | Frequency variation within 5ppm, Resistance variation within 15% before and after test |
| 3 | Thermal Shock | 25 cycles of high/low temperature in a chamber. Low: -403 for 30 min, High: 852 for 30 min. Temp change in 3 min. | Frequency variation within 5ppm, Resistance variation within 15% before and after test |
| 4 | Hermeticity | Helium pressure: 50.5Kg/cm, Helium pressurization time: 120 min | Leak rate: 110-9Pa.m3/s |
| 5 | Soldering Heat Resistance | Wave peak temperature: 260C10C, Time: 155 sec | Frequency variation within 5ppm, Resistance variation within 15% before and after test |
| 6 | Tinning Test | Temperature: 260C10C, Immersion time: 31 sec | Soldered area on pins > 90% |
| 7 | High Temperature & Humidity | Temperature: 60C2C, Humidity: 90%~95%, Duration: 240 hours | 1. Frequency variation within 5ppm, Resistance variation within 15% before and after test. 2. Product surface should not be rusted. |
| 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 |
2409271433_SJK-7F37400E12UCG_C557161.pdf
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