Page 30 2011 AUTUMN
KV1780
3V Series VCD for FM Tuning
3V系FM用VCD
Feature
Included Twin Element ツインタイプ素子1組内蔵
Very Small Tolerance of Element Being Next Device To Each Other
小さい隣接デバイス間容量偏差
Very Low Voltage Operation: VOP=0.5 to 3.0V 低電圧動作: VOP=0.5~3.0V
Excellent Linearity of the C-V Curve C-V特性の優れた直線性
Extra Large Capacitance Ratio: A=3.15 to 極めて大きな容量変化比: A=3.15~
Very Small Series Resistance: RS= to 0.35Ω 小さい直列抵抗: RS= ~0.35Ω
Reverse Voltage VR=18V 逆方向電圧VR=18V
Forward Current IF=50mA 順方向電流IF=50mA
Operating Temp. Range TOP=-55 to +85°C 動作温度範囲TOP=-55~+85°C
Electrical Characteristics
Capacitance(pF) Capacitance Ratio Part Name VR.MAX
(V) Min. Typ. Max.
VR(V)
Min.
Typ.
Max.
VR(V)
RS.MAX
KV1780 18 84.67
21.00
90.20
24.80
95.64
28.59
0.5
3
3.15
3.64
0.5/
3
0.35@1.5V,100MHz
* The value of capacitance is the average of 2 back to back type diodes.
容量値は Back to Back Type の2つのダイオードの平均値です。
*
Diode Capacitance measured with Agilent 4279A or equivalent instruments (at OSC level 20
±
5mVrms)
容量測定器は、Agilent 4279A又は相当品。OSCレベル 20±5mVrms。
* Resistance meter is Agilent 4291B or equivalent instruments.
直列抵抗測定器は、Agilent 4291B 又は相当品。
* The tolerance of element that is next to each other in same reel is within 5% at C0.5 C3.
同一リール内で隣接する素子の C0.5、C3の容量偏差は 5%以内。
Classification
C Rank1 Rank2 Rank3
C0.5.MIN(pF) 84.67 87.88 91.22
C0.5.MAX(pF) 88.77 92.14 95.64
Ordering Guide, Pin Layout, Marking
Part Name Ordering Name Pin Layout
Marking Description Order
Size
KV1780 KV1780STL-G
2
3
1
C8
KV1780: Part Name
S: SOT23-3 Package
TL: Tape&Reel, Left
-G: PB-Free
3,000
pcs.
/Reel
2011 AUTUMN Page 31
4
V
C
D
f
or FM Tuning
Typical Characteristics
Capacitance vs. Reverse Voltage
逆方向電圧対容量
Reverse Current vs. Reverse Voltage
逆方向電圧対逆電流
f=1MHz, TA=25°C
VR, Reverse Voltage(V)
C, Capacitance(pF)
10
100
0.0 4.01.0 2.0 3.0
TA=+25, +55, +85°C
VR, Reverse Voltage(V)
IR, Reverse Current(A)
1p
1n
100p
10p
0.0 16.02.0 4.0 6.0 8.0 10.0 12.0 14.0
T
A
=+85°C
T
A
=+55°C
T
A
=+25°C
Q vs. Reverse Voltage
逆方向電圧対Q
Series Resistance vs. Frequency
周波数対直列抵抗
TA=25°C
VR, Reverse Voltage(V)
10
1000
0.0 4.01.0 2.0 3.0
f=100MHz
f=70MHz
100
f=200MHz
Q
VR=1.5V, TA=25°C
f, Frequency(Hz)
0.1
0.5
50M 500M
RS, Series Resistance(Ω)
C(TA)/C(25°C) vs. Reverse Voltage
逆方向電圧対C(TA)/C(25°C)
Capacitance Temp. Coefficient vs. Reverse Voltage
逆方向電圧対温度係数
f=1MHz, TA=-55 to +85°C
VR,ReverseVoltage(V)
C(TA)/C(25°C)
0.93
1.06
1.05
1.02
1.00
0.98
0.95
0.0 4.01.0 2.0 3.0
1.04
1.03
1.01
0.99
0.97
T
A
=+85°C
T
A
=+55°C
TA=-15°C
TA=-55°C
TA=+25°C
0.94
0.96
VR,ReverseVoltage(V)
0.0
f=1MHz, TA=25°C
100
1000
4.01.0 2.0 3.0
ΔC/ΔTA, Temp. Coefficient(ppm/°C)
