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
Reverse Current
Junction Capacitance
Rectification Efficiency
IF VF = 1V
4 − − mA
IR VR = 10V
− − 50 μA
Cj F = 1Mhz, V = −1V
− − 1 pF
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