NTE Electronics 1N270 Germanium Optimized Diode for Radio Frequency Response Go to amazon.com Related posts Top recommendation for germanium diode FeatureDO-7 Glass PackageLower Leakage CurrentHigh Mechanical Strength DescriptionThe 1N270 is a Germanium Diode in a DO7 type glass package that can be used in many AM, FM and TVIF applications, replacing point contact devices.