1N34A Point Contact Germanium Diode Description: The 1N34A is a point contact diode in a DO7 type package employing N−form Germanium and gives an efficient and excellent linearity when used in TV image detection, FM detection, radio AM detection, etc. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Peak Reverse Voltage, VRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V Reverse Voltage DC, VR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Peak Forward Current, IFM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mA Average Rectified Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Surge Forward Current, Isurge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +75°C Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Forward Current IF VF = 1V 4 − − mA Reverse Current IR VR = 10V − − 50 μA Junction Capacitance Cj F = 1Mhz, V = −1V − − 1 pF Rectification Efficiency η Vi = 2Vrms, = 5KΩ, C = 20pF, f = 40MHz 55 − − % 1.024 (26.0) Max .295 (7.5) Max .022 (0.55) Dia Max Cathode Identification .110 (2.8) Dia Max