This product is an active crystal oscillator, Size: 3225 Frequency: 25mhz /15PF Voltage: 3.3v Commonly used in the clock CLK part of Antminer S17 series, T17 series, S19 series, Iceriver KS3M, KS3L, KS5L and other hash boards. One-stop delivery of BOM Integrated Circuit ASIC Miner Electronic Components