NTE121 Datasheet, PDF (1/2 Pages) NTE Electronics – Germanium PNP Transistor Audio Frequency Power Amplifier

NTE121
Germanium PNP Transistor
Audio Frequency Power Amplifier
Description:
The NTE121 is a Germanium PNP Alloy Junction transistor in a TO3 type package designed as an
audio frequency power output amplifier.
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Collector–Base Voltage, V_CBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V
Collector–Emitter Voltage (R_BE = 68Ω), V_CER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V
Emitter–Base Voltage, V_EBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V
Collector Current, I_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10A
Emitter Current, I_E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10A
Base Current, I_B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A
Power Dissipation (T_C ≤ +55°C), P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90W
Operating Junction Temperature, T_J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +100°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +100°C
Note 1. Matched pairs are available upon request (NTE121MP). Matched pairs have their gain
specification (h_FE) matched to within 10% of each other.
Electrical Characteristics: (T_A = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Collector–Emitter Breakdown Voltage V_(BR)CER I_C(peak) = –0.6A, R_BE = 68Ω
Collector Cutoff Current
I_CBO V_CB = 30V, I_E = 0
DC Current Gain
Base–Emitter Input Voltage
h_FE V_CE = 2V, I_C = 20mA
V_BE V_CE = 2V, I_C = 1A
Collector–Emitter Saturation Voltage V_CE(sat) I_C = 10A, I_B = 1A
Transition Frequency
f_T
V_CB = 2V, I_E = 1A
Min Typ Max Unit
45 –
–
V
–
– 0.5 mA
50 90 165
– 0.38 –
V
– 0.3 –
V
– 300 – kHz