SXTUM2 Series – UM-1 Metal Can DIP 2 Lead Crystal
Part Numbering Guide

Electrical Parameters
| Parameters | Units | Min | Typical | Max | Remarks |
|---|---|---|---|---|---|
| Frequency Range | MHz | 8 | 70 | AT-Cut Fundamental. | |
| Frequency Range | MHz | 35 | 200 | 3rd Overtone | |
| Frequency Tolerance at +25ºC | ppm | -10 | +10 | See part numbering guide for options. | |
| Frequency Stability vs. Op Temp | ppm | -10 | +10 | See part numbering guide for options. | |
| Frequency Stability vs. Aging | ppm | -2 | +2 | First year @ +25ºC. | |
| Operating Temperature | °C | -40 | +85 | See part numbering guide for options. | |
| Storage Temperature | °C | -40 | +125 | ||
| Load Capacitance | pF | 7 | 30 | See part numbering guide for options. | |
| Shunt Capacitance | pF | 7 | |||
| Drive Level | μW | 100 | 500 | ||
| Insulation Resistance | MΩ | 500 | @ 100VDC ± 15V. | ||
| Equivalent Series Resistance | |||||
| 8.000MHz ~ 11.999MHz | Ω | 50 | AT-Cut Fundamental | ||
| 12.000MHz ~ 14.999MHz | Ω | 30 | AT-Cut Fundamental | ||
| 15.000MHz ~ 70.000MHz | Ω | 25 | AT-Cut Fundamental | ||
| 35.000MHz ~ 44.999MHz | Ω | 50 | 3rd Overtone | ||
| 45.000MHz ~ 54.999MHz | Ω | 45 | 3rd Overtone | ||
| 55.000MHz ~ 200.000MHz | Ω | 40 | 3rd Overtone |
Outline Drawing & Recommended Landed Pattern
All dimensions are in millimeters (mm) unless otherwise noted. Drawings are not to scale.
