Product Overview
The NX1612SD is a crystal unit with a built-in thermistor, designed for mobile communications. It integrates a crystal unit and a temperature sensor into a single component, minimizing circuit design space and allowing for more precise detection of the crystal blank temperature. This leads to improved frequency temperature compensation compared to separate components. Its single cavity housing makes it ideal for module applications, and it features a compact surface-mount external configuration suitable for reflow soldering. The product is lead-free and meets requirements for lead-free solder reflow profiling.
Product Attributes
- Brand: NDK
- Model: NX1612SD
- Certifications: Directive 2011/65/EU, Directive (EU) 2015/863
- Material: Lead-free
Technical Specifications
| Item | Model | Standard | Optional |
| Nominal Frequency (MHz) | NX1612SD | 26 F 76.8 | 26 F 76.8 |
| Overtone Order | NX1612SD | Fundamental | Fundamental |
| Frequency Tolerance (25 3C ) | NX1612SD | 10 106 | 10 106 |
| Frequency versus Temperature Characteristics (with reference to +29 C) | NX1612SD | 12 106 | Please contact us about temp extended case, *1 |
| Operating Temperature Range (C) | NX1612SD | 30 to +85 | Please contact us about temp extended case, *1 |
| Storage Temperature Range (C) | NX1612SD | 40 to +105 | 40 to +105 |
| Level of Drive (W) | NX1612SD | 10 (Max. 100) | 10 (Max. 100) |
| Load Capacitance (pF) | NX1612SD | 8 | 6 to 18 |
| Frequency Aging (+25C) | NX1612SD | --- | Max. 3 106 / year |
| Item | Nominal Frequency (MHz) | Equivalent Series Resistance Max. () |
| Equivalent Series Resistance | 26 F < 38.4 | 80 |
| Equivalent Series Resistance | 38.4 F 76.8 | 50 |
| Item | Specifications |
| NTC Thermistor for Temperature Sensor | Resistance (R25) 100k 1 % |
| NTC Thermistor for Temperature Sensor | B-Constant (B25-50) 4250K 1 % |
2410121811_NDK-NX1612SD-38-4MHZ-EXS00A-CS12755_C3294588.pdf
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