Datasheet NTE Electronics NTE618

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: CR = 15.5 (Min)
D Guaranteed Figure of Merit: Q = 200 (Min) @ VR = 1V, f = 1MHz
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Reverse Voltage, VR 16V
Operating Junction Temperature, TJ . +100°C
Storage Temperature Range, Tstg –55° to +100°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Breakdown Voltage
Reverse Current
Interterminal Capacitance Symbol
V(BR)R
IR Test Conditions Min Typ Max Unit IR = 10µA 16 – – V VR = 9V – – 100 nA C1.2V VR = 1.2V, f = 1MHz 420.0 – 459.1 pF C3.5V VR = 3.5V, f = 1MHz 144.2 – 192.1 pF C6.0V VR = 6.0V, f = 1MHz 45.71 – 60.91 pF C8.0V VR = 8.0V, f = 1MHz 20.30 – 23.54 pF Figure of Merit Q VR = 1V, f = 1MHz 200 – – Capacitance Ratio CR C1.2V/C8.0V, f = 1MHz 15.5 – – matching Tolerance ∆Cm – – 0.03 (Cmax – Cmin)/Cmin .157 (4.0) .118
(3.0) .071
(1.8) .590 …