Page 70 2010 SPRING
KV1870
4.5V Series VCD for Communications Equipment
4.5V系通信機用VCD
Feature
Very Low Voltage Operation: VOP=1.0 to 4.5V 低電圧動作: VOP=1.0~4.5V
Excellent Linearity of the C-V Curve C-V特性の優れた直線性
Extra Large Capacitance Ratio: A=5.0 to 極めて大きな容量変化比: A=5.0~
Extra Low Series Resistance RS.TYP=0.4Ω 極めて低い直列抵抗: RS.TYP=0.4Ω
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
KV1870 18 65.80
12.00
70.00
13.40
74.20
14.80
1
4.5
5.00
1/5
0.5@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。
Ordering Guide, Pin Layout, Marking
Part Name Ordering Name Pin Layout
Marking Description Order
Size
KV1870 KV1870RTL-G
2
3
1
C7
KV1870: Part Name
R: SOT23C-3 Package
TL: Tape&Reel, Left
-G: PB-Free
3,000
pcs.
/Reel
KV1870 KV1870STL-G
2
3
1
C7
KV1870: Part Name
S: SOT23-3 Package
TL: Tape&Reel, Left
-G: PB-Free
3,000
pcs.
/Reel
2010 SPRING Page 71
5
V
C
D
f
or
C
ommunications Equipment
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 5.01.02.03.04.0
TA=+25, +55, +85°C
VR, Reverse Voltage(V)
IR, Reverse Current(A)
100f
100p
10p
1p
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
Q
TA=25°C
VR, Reverse Voltage(V)
10
1000
0.0 5.01.02.03.04.0
f=50MHz
f=100MHz
f=70MHz
1000
RS, Series Resistance(Ω)
VR=1.5V, TA=25°C
f, Frequency(Hz)
0.1
1.0
50M 500M
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 5.01.0 2.0 3.0 4.0
1.04
1.03
1.01
0.99
0.97
T
A
=+85°C
T
A
=+55
°
C
T
A
=-15
°
C
T
A
=-55
°
C
TA=+25°C
0.96
0.94
VR,ReverseVoltage(V)
0.0
f=1MHz, TA=25°C
100
1000
5.01.0 2.0 3.0 4.0
ΔC/ΔTA, Temp. Coefficient(ppm/°C)
