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 = +25C unless otherwise specified) Peak Inverse Voltage, Repetitive (IR = 1mA), PIV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65V Reverse Voltage DC, VR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Peak Forward Surge Current, Non-Repetitive (t = 1sec), IFSM . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5A Peak Forward Surge Current, Repetitive, IFSR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mA Average Rectified Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +75C Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Forward Voltage Drop VF IF = 5mA - - 1.0 V Forward Current IF VF = 1V 4 - - mA Reverse Current IR VR = 10V - - 30 A VR = 50V - - 500 A Junction Capacitance Cj F = 1Mhz, V = -1V - - 1 pF Rectification Efficiency Vi = 2Vrms, = 5K, C = 20pF, f = 40MHz 55 - - % 1.024 (26.0) Max .295 (7.5) Max .022 (0.55) Dia Max .110 (2.8) Dia Max Cathode Identification Rev. 3-16