QM2520 2.5 × 2.0 mm SMD Crystal-TSX
QM2520 is a passive 2.5 × 2.0 mm SMD crystal resonator with a built-in thermistor in the QM Series; it requires an external oscillator circuit. The datasheet specifies a reliable seam-sealed ceramic package, wide operating temperature, built-in thermistor, and complete Pb-free construction.
Quick Product Answers
What is QM2520?
QM2520 is a passive 2.5 × 2.0 mm SMD crystal resonator with a built-in thermistor in the QM Series; it requires an external oscillator circuit. The datasheet specifies a reliable seam-sealed ceramic package, wide operating temperature, built-in thermistor, and complete Pb-free construction.
What are the key specifications of QM2520?
Nominal frequency range: 19.200 MHz / 26.000 MHz; Operating temperature range: 19.200 MHz: -30°C to +105°C; 26.000 MHz: -40°C to +105°C; Frequency tolerance at 25°C ± 3°C: ±10 ppm.
What applications is QM2520 intended for?
QM2520 is listed for Smart phone, Smart wearable, GNSS.
How should engineers select QM2520?
Select QM2520 only when its documented frequency, package size, operating-temperature range and tolerance or stability match the design. Where applicable, also verify load capacitance, supply voltage and output waveform in the datasheet.
- Model
- QM2520
- Package size
- 2.5 × 2.0 mm
- Nominal frequency
- 19.200 MHz / 26.000 MHz
- Oscillation mode
- Fundamental (AT-cut)
- Frequency tolerance
- ±10 ppm
- Operating temperature
- -30°C to +105°C / -40°C to +105°C
Product Features
Applications
Technical Specifications
| Model | QM2520 |
|---|---|
| Nominal frequency range | 19.200 MHz / 26.000 MHz |
| Oscillation mode | Fundamental (AT-cut) |
| Frequency tolerance at 25°C ± 3°C | ±10 ppm |
| Operating temperature range | 19.200 MHz: -30°C to +105°C; 26.000 MHz: -40°C to +105°C |
| Frequency stability over temperature (Ref. to 25°C) | 19.200 MHz: ±12 ppm at -30°C to +85°C; 26.000 MHz: ±10 ppm at -30°C to +85°C |
| Storage temperature range | -40°C to +105°C |
| Equivalent series resistance | 19.200 MHz: 80 Ω max.; 26.000 MHz: 30 Ω at -30°C to +95°C / 35 Ω at -40°C to -30°C and +95°C to +105°C |
| Tuning sensitivity | 10 ppm/pF min. / 10.8-13.2 ppm/pF |
| Spurious mode series resistance | 1100 Ω (±1 MHz) / 500 Ω (±1 MHz) |
| Q factor | 75K min. |
| Insulation resistance | 500 MΩ min. (at DC 100 V) |
| Reflow | ±2 ppm (after 3 reflows) |
| Inflection point | 30.5-33.5°C / 29-32°C (30.5°C type) |
| Load capacitance | 7 pF / 7 pF, 9 pF |
| Drive level max. | 100 µW / 200 µW |
| Aging at first year | ±0.7 ppm |
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