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)