Series - Fundamental Quartz Crystal, 4MHz Nom
| Parameter Name | Attribute value |
| Maker | INFICON EDC Inc |
| Reach Compliance Code | unknown |
| Other features | AT STRIP |
| Crystal/Resonator Type | SERIES - FUNDAMENTAL |
| Drive level | 500 µW |
| frequency stability | 0.0025% |
| frequency tolerance | 25 ppm |
| Manufacturer's serial number | EX31 |
| Installation features | SURFACE MOUNT |
| Nominal operating frequency | 4 MHz |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| physical size | L11.4XB4.5XH4.5 (mm)/L0.449XB0.177XH0.177 (inch) |
| Series resistance | 120 Ω |
| surface mount | YES |
