Page 40 2010 SPRING
KV1745
8V Series VCD for FM Tuning
8V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
Excellent Linearity of the C-V Curve C-V特性の優れた直線性
Extra Large Capacitance Ratio: A=1.95 to 極めて大きな容量変化比: A=1.95~
Very Small Series Resistance: RS= to 0.3Ω 小さい直列抵抗: RS= ~0.3Ω
Reverse Voltage VR=14V 逆方向電圧VR=14V
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
KV1745 14 43.53
18.38
46.68
23.85
2
8
1.95
2.35
2/8
0.3@2V,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 3% at C2 and C8.
同一リール内で隣接する素子の C2、C8の容量偏差は 3%以内。
Classification
C Rank1 Rank3
C2.MIN(pF) 43.53 44.75
C2.MAX(pF) 45.20 46.48
Ordering Guide, Pin Layout, Marking
Part Name Ordering Name Pin Layout
Marking Description Order
Size
KV1745 KV1745RTL-G D4
KV1745: Part Name
R: SOT23C-3 Package
TL: Tape&Reel, Left
-G: PB-Free
3,000
pcs.
/Reel
KV1745 KV1745STL-G 2
3
1
C45
KV1745: Part Name
S: SOT23-3 Package
TL: Tape&Reel, Left
-G: PB-Free
3,000
pcs.
/Reel
2010 SPRING Page 41
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)
10
100
0.0 9.01.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
C, Capacitance(pF)
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
Q
VR, Reverse Voltage(V)
10
10000
0.0 9.01.0 2.0 3.0 4.0 5.0 6.0 7.0
f=50MHz
f=100MHz
f=70MHz
8.0
1000
100
RS, Series Resistance(Ω)
VR=2.0V, TA=25°C
f, Frequency(Hz)
0.1
0.3
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)
0.95
1.05
1.02
1.00
0.98
0.96
0.0 9.01.0 2.0 3.0 4.0 5.0 6.0 7.0
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
8.0
VR,ReverseVoltage(V)
0.0
f=1MHz, TA=25°C
100
1000
9.01.0 2.0 3.0 4.0 5.0 6.0 7.0
ΔC/ΔTA, Temp. Coefficient(ppm/°C)
8.0
