SVC347
Ordering number : EN5816
Varactor Diode (IOCAP) for
AM Receiver Electronic Tuning
Silicon Diffused Junction Type
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
O1497GI (KOTO) No.5816-1/3
Package Dimensions
unit: mm
1291
[SVC347]
SANYO: CPH3
1 : Anode
2 : Anode
3 : Cathode
0‘0.1
0.9
0.7 0.2
1.6 0.60.6
1.9
12
3
2.8
0.2
2.9
0.15
0.4
Specifications
Absolute Maximum Ratings
at Ta=25°C
Parameter Symbol Conditions Ratings Unit
Reverse voltege V
R
16 V
Junction temperature Tj 125 °C
Storage temperature Tstg –55 to +125 °C
Electrical Characteristics at Ta=25°C
Parameter Symbol Conditions
Ratings
min typ max
Unit
Breakdown voltage V
(BR)R
IR=10µA 16 V
Reverse current (One diode) I
R
VR=9V 100 nA
Interterminal capacitance C
1V
VR=1V, f=1MHz *1 470
*
535
*
pF
(Capacitance value of C
6V
VR=6V, f=1MHz 55 pF
one diode) C
8V
VR=8V, f=1MHz 20 26 pF
Quality factor Q VR=1V, f=1MHz 200
Capacitance ratio CR C1V/ C8V, f=1MHz 18.5
Matching tolerance *2 ∆Cm (Cmax – Cmin) / Cmin
×100
VR=1V, f=1MHz 2.5 %
VR=6V, f=1MHz 3.0 %
VR=8V, f=1MHz 3.0 %
*1 : 1MHz signal : 20mVrms
Electrical Connection
*2 : Matching tolerance between D1 and D2
*
: The SVC347 is classified bosed on C1V capacitance
as shown in the table below :
Features
• Twin type varactor diode for AM electronic tuning use.
• Miniaturization and high-integration of tuner sets can be
easily achieved due to the small package.
• High capacitance ratio and high quality factor.
• Provided in a tape reel packaging.
• Surface mount type.
A09978
1:Anode
2:Anode
3:Cathode
12
D2D1
3
(top view)
Rank C1V (pF)
S 470 to 505
T 495 to 535
–50 –25 0 25 50 75 100 125
0.94
0.96
0.98
VR=8V
3V
1V
6V
7V
5V
VR=5V
1V
6V
7V
3V
8V
1.00
1.02
1.06
1.08
1.04
Ta — ˚C
Capacitance ratio
C — Ta
f=1MHz
Vrf=20mVrms
0 1 2 3 4 5 6 7 8 9 10
10
20
30
50
70
100
200
300
500
700
1000
Reverse voltage, VR – V
Interterminal capacitance, C – pF
Interterminal capacitance, C L-axis
100
200
300
500
700
1000
2000
3000
5000
7000
10000
Quality factor, Q
Quality factor, Q R-axis
C,Q — VR (at f=1MHz Vrf=20mVrms)