25MHz-3.3V-25PPM 工业级有源晶振 25MHZ-30PPM 25MHZ3225 25MHz3225-3.3V 25MHZ-ECS-250-20-33-C-K-N 25MHz-XO32025UCTA 25MK40 25ML100M8X7 25ML100MEFC8X7 25ML100MEFCT78X7