This document describes the features and specifications of the quartz crystal product JXE 63 from Jauch Quartz GmbH, including frequency stability, ESR, temperature range, etc.
The SMU4 is an SMD quartz crystal offered by Jauch for use in a variety of electronic circuits requiring precise frequency control. It is available in a 2‑pad package measuring 11.5 × 4.8 mm and is RoHS‑compliant with lead‑free pads.
Key specifications include a wide frequency range from 3.2768 MHz up to 60 MHz, ESR values up to 200 Ω, load capacitance between 12 pF and 32 pF, and a storage temperature range of –40 °C to +90 °C. The recommended drive level is up to 500 pW (100 pW preferred), and the part can be reflow soldered at temperatures up to 260 °C.
| ESR max (3.2768–3.999 MHz) | 200 Ω |
|---|---|
| Load capacitance | 12 pF – 32 pF |
| Storage temperature | -40 °C – +90 °C |
| Drive level (max) | 500 pW (100 pW recommended) |
| Frequency tolerance at 25 °C | ±10 ppm – +30 ppm |
| Package dimensions (2‑pad) | 11.5 × 4.8 mm |
| Reflow soldering temperature | max 260 °C |
The maximum drive level is 500 pW, but a recommended level of 100 pW is advised.
The crystal can be stored from –40 °C to +90 °C.
It is supplied in a 2‑pad SMD package measuring 11.5 × 4.8 mm.