NTE618 Datasheet, PDF (1/2 Pages) NTE Electronics – Varactor Silicon Tuning Diode for AM Radio

NTE618
Varactor
Silicon Tuning Diode for AM Radio
Description;
The NTE618 is a silicon varactor diode with a good linearity and high capacitance ratio that is capable
of beinf operated from a low voltage. This device is intended for use in AM receiver electronic tuning
applications.
Features:
D High Capacitance Ratio: C_R = 15.5 (Min)
D Guaranteed Figure of Merit: Q = 200 (Min) @ V_R = 1V, f = 1MHz
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Reverse Voltage, V_R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Operating Junction Temperature, T_J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +100°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +100°C
Electrical Characteristics: (T_A = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Breakdown Voltage
V_(BR)R I_R = 10µA
Reverse Current
I_R V_R = 9V
Interterminal Capacitance
C_1.2V V_R = 1.2V, f = 1MHz
C_3.5V V_R = 3.5V, f = 1MHz
C_6.0V V_R = 6.0V, f = 1MHz
C_8.0V V_R = 8.0V, f = 1MHz
Figure of Merit
Q V_R = 1V, f = 1MHz
Capacitance Ratio
C_R C_1.2V/C_8.0V, f = 1MHz
matching Tolerance
∆C_m (C_max – C_min)/C_min
Min Typ Max Unit
16 –
–
V
–
– 100 nA
420.0 – 459.1 pF
144.2 – 192.1 pF
45.71 – 60.91 pF
20.30 – 23.54 pF
200 –
–
15.5 –
–
–
– 0.03