Quantity per case: 1. Function: transil diode, overvoltage protection. Note: bidirectional. Note: transil diode. Note: Suppressor. Number of terminals: 2. RoHS: yes. Assembly/installation: PCB through-hole mounting. Housing: DO-41. Housing (according to data sheet): DO-41 ( DO-204AL ) ( 3.5x6.5 ). Varistor voltage: 6.8V