NTE NTE618 Datasheet
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, V
Operating Junction Temperature, T
Storage Temperature Range, T
R
J
stg
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
–55° to +100°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+100°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Breakdown Voltage V
Reverse Current I
Interterminal Capacitance C
Figure of Merit Q VR = 1V, f = 1MHz 200 – –
Capacitance Ratio C
matching Tolerance ∆C
(BR)RIR
R
1.2V
C
3.5V
C
6.0V
C
8.0V
R
m
= 10µA 16 – – V
VR = 9V – – 100 nA
VR = 1.2V, f = 1MHz 420.0 – 459.1 pF
VR = 3.5V, f = 1MHz 144.2 – 192.1 pF
VR = 6.0V, f = 1MHz 45.71 – 60.91 pF
VR = 8.0V, f = 1MHz 20.30 – 23.54 pF
C
1.2V/C8.0V
(C
max
, f = 1MHz 15.5 – –
– C
min
)/C
min
– – 0.03
.157 (4.0)
.118
(3.0)
.071
(1.8)
.590
(15.0)
.102 (2.6)
.118 (3.0)
AK
.090
(2.2)
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