OA1180 NOS Germanium Diode Tungsram Big 30v 20mA

These are NOS, made by Tungsram, in a case that is about double the size of the standard DO-7. They have the part number and mfg logo printed on the body. Vf is in the .23-.24 range. 30v, 20mA. These are high quality parts in perfect condition.