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SEMICONDUCTOR
TECHNICAL DATA
FM RADIO BAND TUNING APPLICATION. FEATURES
High Capacitance Ratio : C1V/C5V=5.0(Min.) Excellent C-V Characteristics. Variations of Capacitance Values is Little. Small Package.
KDV1472
VARIABLE CAPACITANCE DIODE SILICON EPITAXIAL PLANAR DIODE
CATHODE MARK
B 1
G
K
E
A
H
2 D
J C I
MAXIMUM RATING (Ta=25
CHARACTERISTIC Reverse Voltage Junction Temperature Storage Temperature Range
)
SYMBOL VR Tj Tstg RATING 16 150 -55 150 UNIT V
M M
DIM A B C D E F G H I J K L M
MILLIMETERS _ 2.50 + 0.1 _ 1.25 + 0.05 _ 0.90 + 0.05 0.30+0.06/-0.04 _ 1.70 + 0.05 MIN 0.17 _ 0.126 + 0.03 0~0.1 1.0 MAX _ 0.15 + 0.05 _ 0.4 + 0.05 2 +4/-2 4~6
1. ANODE 2. CATHODE
USC
GRADE A B C CAPACITANCE(CIV) 30.16~33.63 33.30~37.13 36.77~40.99 pF UNIT
Marking
Type Name
Grade
B
ELECTRICAL CHARACTERISTICS (Ta=25 )
CHARACTERISTIC Reverse Voltage Reverse Current Capacitance Capacitance Ratio Series Resistance SYMBOL VR IR C1V C4.5V K rS TEST CONDITION IR=10 A VR=10V VR=1V, f=1MHz VR=4.5V, f=1MHz C1V/C5V, f=1MHz VR=1.5V, f=100MHz MIN. 16 30.16 6.2 5.0 TYP. 35.60 7.7 0.8 MAX. 50 40.99 pF 9.2 1.0 UNIT V nA
2002. 6. 25
Revision No : 2
F
L
1/2
KDV1472
C - VR
100
f=1MHz Ta=25 C
I R - VR
1n REVERSE CURRENT I R (A)
Ta=85 C
CAPACITANCE C (pF)
50 30
100p 10p 1p 100f 10f
Ta=55 C
Ta=25 C
10
5 0 1 2 3 4 5
0
2
4
6
8
10
12
14
16
REVERSE VOLTAGE VR (V)
REVERSE VOLTAGE VR (V)
QR - V
500
Ta=25 C
rs - f
1 SERIES RESISTANCE r s ()
VR=1.5V Ta=25 C
300 FIGURE OF MERIT Q
z MH f=50 Hz 0M f=7 MHz 00 f=1
100 50 30
0.7
10 0 1 2 3 4 5
0.5
20
50
100
300
500
1K
REVERSE VOLTAGE VR (V)
FREQUENCY f (MHz)
C(Ta)/C(25 C) - VR (V)
1.08 VARIATION OF CAPACITANCE C(Ta)/C(25 C) 1.06 1.04
Ta=55 C
(ppm/ C) - V R
1k VARIATION OF CAPACITANCE (ppm/ C)
f=1MHz
Ta=85 C
700 500 300
1.02
1
0.98 0.96 0.94 0.92 0 1 2
Ta=25 C Ta=-15 C Ta=-55 C
f=1MHz Ta=-55 C~+85 C
100 3 4 5 0 1 2 3 4 5
REVERSE VOLTAGE VR (V)
REVERSE VOLTAGE VR (V)
2002. 6. 25
Revision No : 2
2/2

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