KSD-2068-001 1
SDV703WKF
Variable Capacitance Diode
Descriptions
• For FM tuner
•
••
• Monolithic chi p with common cathode for perfect tacki ng of both diodes
•
••
• Uniform “square law” char acteristics
•
••
• Ideal hi fi tuning device when used in low-distortion, back-to-back confi guration
Features
•
••
• Low series resistance
: rs = 0.3 Ω (Typ.)
Ordering Information
Type No. Marking Package Code
SDV703WKF DV3 SOT-23F
: CT2V rank (Grade)
Outline Dimensions unit :
mm
PIN Conne ctions
1. Anode
2. Anode
3. Cathode, Cathode
S
Se
em
mi
ic
co
on
nd
du
uc
ct
to
or
r
1.6±0.1
0.4±0.05
0~0.1
3
1
2
1.90 BSC
2.9±0.1
0.9±0.1
0.15±0.05
2.4±0.1
1
3
2
KSD-2068-001 2
SDV703WKF
Absolute maximum ratings
Characteristic Symbol Ratings Unit
Reverse voltage VR 15 V
Junction temperature Tj 150 °C
Storage temperature Tstg -55 ~ 150 °C
Electrical Characteristics
Characteristic Symbol Test Condition Min. Typ. Max. Unit
Reverse voltage VR IR=10µA 15 - - V
R everse current IR V
R=15V - - 50 nA
CT2V* V
R=2V, f=1MHz 42 - 47.5 pF
Diode capacitance CT8V V
R=8V, f=1MHz 24 - 28.8 pF
Capac ita nce ra tio CT2V/CT8V - 1.65 1.71 1.8 -
Series resistance rs CT=38pF, f=100MH z - 0.3 0.4 Ω
*: CT2V / A : 42~43.5pF, B : 43~44.5pF, C : 44~45.5pF, D : 45~46.5pF, E : 46~47.5pF
KSD-2068-001 3
SDV703WKF
Electrical Characteristic Curves
Fig. 1 CT-VR Fig. 2 (CTref//CT) -VR
