ACT631SMX-2 Overview
0044 (0)118 979 1238 0044 (0)118 979 1283 info@actcrystals. ACT631SMX-2 The ACT631SMX-2 is a 2 pad, high quality, low aging, metal seam packaged crystal suitable for automatic placement on printed circuit boards. With a wide frequency range, and tight stability it has bee one of the optimum choices for design engineers.