ASDK & ASEK Series 32.768KHz Crystal Oscillator ABRACON ASDK and ASEK SMT 32.768KHz Ceramic Crystal Oscillators are compact and seam-sealed to assure high reliability. The devices feature low current consumption and IR-Reflow. ABRACON ASDK and ASEK SMT 32.768KHz Ceramic Crystal Oscillators are ideal for laptops, digital cameras, wireless LAN, BLUETOOTH® and mobile communications, LCD, PDA, and MP3 players.