1N270 Germanium Diode Optimized for Radio Frequency Response Description: The 1N270 is a Germanium Diode in a DO−7 type glass package that can be used in many AM, FM and TV−IF applications, replacing point contact devices. Features: D DO−7 Glass Package D Lower Leakage Current D High Mechanical Strength Applications: D AM/FM Detectors D Radio Detectors D FM Discriminators D TV Audio Detectors D RF Input Probes D TV Video Detectors Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Peak Inverse Voltage, PIV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100V Surge Current (t = 1 second), IFSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA Average Rectified Forward Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Peak Operating Current, IOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325mA Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65° to +90°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65° to +90°C Electrical Characteristics: (TA = +25°C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit − − 1 V Forward Voltage Drop VF IF = 200mA Breakdown Voltage PIV IR = 1mA 100 − − V Reverse Leakage IR VR = 50V − − 100 μA Junction Capacitance CJ VR = 1V, f = 1MHz − 0.8 − pF 1.000 (25.4) Min .300 (7.62) Max .022 (.558) Dia Max Color Band Denotes Cathode .107 (2.71) Dia Max