KEC KDV1472 Datasheet
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.
MAXIMUM RATING (Ta=25 )
2002. 6. 25 1/2
SEMICONDUCTOR
TECHNICAL DATA
KDV1472
VARIABLE CAPACITANCE DIODE
SILICON EPITAXIAL PLANAR DIODE
Revision No : 2
ELECTRICAL CHARACTERISTICS (Ta=25 )
CHARACTERISTIC SYMBOL RATING UNIT
Reverse Voltage
V
R
16 V
Junction Temperature
T
j
150
Storage Temperature Range
T
stg
-55 150
CHARACTERISTIC SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Reverse Voltage
V
R
IR=10 A
16 - - V
Reverse Current
I
R
VR=10V
- - 50 nA
Capacitance
C
1V
VR=1V, f=1MHz
30.16 35.60 40.99
pF
C
4.5V
VR=4.5V, f=1MHz
6.2 7.7 9.2
Capacitance Ratio K
C1V/C5V, f=1MHz
5.0 - -
Series Resistance
r
S
VR=1.5V, f=100MHz
- 0.8 1.0
GRADE
CAPACITANCE(CIV)
UNIT
A 30.16~33.63
pF
B 33.30~37.13
C 36.77~40.99
B
1
CATHODE MARK
2
D
M
M
1. ANODE
2. CATHODE
G
K
A
E
J
DIM
MILLIMETERS
A
B
C
D
0.30+0.06/-0.04
E
F
G
H
I
J
K
L
M
C
I
_
2.50 0.1
+
_
+
1.25 0.05
_
+
0.90 0.05
_
+
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
L
H
F
USC
Marking
Type Name
B
Grade
KDV1472
2/22002. 6. 25 Revision No : 2
K
100
50
30
10
CAPACITANCE C (pF)
5
01 3 5
REVERSE VOLTAGE V (V)
500
Ta=25 C
300
100
f=50M
f=70MHz
f=100MHz
50
30
FIGURE OF MERIT Q
10
0
12345
Hz
C - V
R
2
Q - V
R
R
f=1MHz
Ta=25 C
4
1n
100p
R
10p
1p
100f
REVERSE CURRENT I (A)
10f
0
24 6 81012
REVERSE VOLTAGE V (V)
1
V =1.5V
R
Ta=25 C
s
0.7
SERIES RESISTANCE r (Ω)
0.5
20 50 300 1
I - V
R
r - f
s
100
R
Ta=85 C
Ta=55 C
Ta=25 C
14 16
R
500
REVERSE VOLTAGE V (V)
C(Ta)/C(25 C) - V (V)
1.08
1.06
1.04
1.02
1
0.98
C(Ta)/C(25 C)
0.96
0.94
VARIATION OF CAPACITANCE
0.92
0
123 45
REVERSE VOLTAGE V (V)
Ta=85 C
Ta=55 C
Ta=25 C
Ta=-1
Ta=-55 C
5 C
R
FREQUENCY f (MHz)
R
f=1MHz
1k
(ppm/ C) - V
R
700
500
300
(ppm/ C)
VARIATION OF CAPACITANCE
100
0
R
12345
REVERSE VOLTAGE V (V)
f=1MHz
Ta=-55 C~+85 C
R
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