NTE109
Germanium Diode Fast Switching General Purpose

Description:
The NTE109 is a high conductance device with good switching characteristics for low impedance circuits, high resistance-high conductance for efficient coupling, clamping and matrix service, and forward and inverse pulse recovery for critical pulse applications.

Info as pdf-file
NTE/ECG replacement list as pdf-file
NTE-ECG diagrams

Absolute Maximum Ratings: (TA = +25°C unles otherwise specified)
Continuous Inverse Operating Voltage (Note 1), Vcont . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80V
Continuous Average Forward Current, IF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60mA
Peak Recurrent Forward Current (Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325mA
Forward Surge Current (1 sec), IFSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA

Electrical Characteristics:
Peak Reverse Voltage, PRV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100V
Forward Voltage Drop (IF = 200mA), VF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0V
Maximum Reverse Leakage (VR = 50V), IR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100μA

Additional Specifications:
Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -78° to +90°C
Absolute Maximum Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . -78° to +100°C
Average Power Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80mW
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mW/10°C
Average Shunt Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5μfd
Average 100mc Rect. Efficient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55%

Note 1 The continuous inverse operating voltage rating, Vcont must be reduced when the diode is operated at elevated junction temperature. The percent derating of Vcont for each 10°C temperature increment above 25°C is equal to Vcont/10. For critical high temperature-high voltage applications, is recommended that diodes be 100% tested and specified at the elevated temperature.

Note 2 The peak operating current is generally the controlling factor in AC rectifier service and may be exceeded for pulses of less than 200μs duration.




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