SDV703WK Semiconductor Variable Capacitance Diode Descriptions • For FM tuner • Monolithic chip with common cathode for perfect tacking of both diodes • Uniform “square law” characteristics • Ideal hifi tuning device when used in low-distortion, back-to-back configuration Features • Low series resistance : rs = 0.3 Ω (Typ.) Ordering Information Type No. Marking SDV703WK DV3 Package Code SOT-23 : CT2V rank (Grade) Outline Dimensions unit : mm 2.4±0.1 1.30±0.1 2.9±0.1 1.90 Typ. 1 3 2 0.4 Typ. 3 0.45~0.60 -0.03 +0.05 0.124 0~0.1 0.38 1.12 Max. 0.2 Min. KSD-2033-001 1 2 PIN Connections 1. Anode 2. Anode 3. Cathode, Cathode 1 SDV703WK Absolute maximum ratings Characteristic Symbol Ratings Unit Reverse voltage VR 15 V Junction temperature Tj 150 Storage temperature Tstg -55 ~ 150 °C °C Electrical Characteristics Characteristic Symbol Test Condition Reverse voltage VR IR=10µA Reverse current IR VR=15V Diode capacitance Min. Typ. Max. Unit 15 - - V - - 50 nA CT2V* VR=2V, f=1MHz 42 - 47.5 pF CT8V VR=8V, f=1MHz 24 - 28.8 pF 1.65 1.71 1.8 - - 0.3 0.4 Ω Capacitance ratio CT2V/CT8V Series resistance rs CT=38pF, f=100MHz *: CT2V / A : 42~43.5pF, B : 43~44.5pF, C : 44~45.5pF, D : 45~46.5pF, E : 46~47.5pF KSD-2033-001 2 SDV703WK Electrical Characteristic Curves Fig. 1 CT-VR Fig. 2 (CTref//CT) -VR KSD-2033-001 3