SDP520D Semiconductor Attenuator Diode Features ? SMD package : SOD-323 ? Low capacitance : C T =0.25pF(Typ.) ? Low series resistance : rs=7? (Typ.) ? VHF tuner band RF attenuator application ? AGC for FM tuner Ordering Information Type No. Marking Package Code SDP520D 2M SOD-323 unit : mm 1.25? 0.1 0.3~0.35 Outline Dimensions 2.5? 0.1 1.7? 0.1 1 2 0~0.1 0.9? 0.1 0.15? 0.04 CATHODE MARK 2 0.2 Min. KSD-C022-000 1 PIN Connections 1. Anode 2. Cathode 1 SDP520D Absolute maximum ratings Ta=25?C Characteristic Symbol Ratings Unit VR 50 V * Continuous reverse voltage Forward current IF 50 mA Junction temperature Tj 150 ?C Storage temperature Tstg -55 ~ 150 ?C * : Unit ratings. Total rating = Unit rating ? 1.5 Electrical Characteristics Characteristic Ta=25?C Symbol Test Condition Min. Typ. Max. Unit Reverse voltage VR IR=10? A 50 - - V Reverse current IR VR=50V - - 0.1 ?A Forward voltage VF IF=50mA - 0.95 - V Total capacitance CT VR=50V, f=1MHz - 0.25 0.5 pF IF=0.01mA, f=100MHz - 2800 - ? IF=0.1mA, f=100MHz - 380 - ? IF=1mA, f=100MHz - 45 - ? IF=10mA, f=100MHz - 7 - ? Series resistance rS KSD-C022-000 2 SDP520D Fig. 2 IF-VF Fig. 1 IC -Ta Fig. 4 r s -IF ? Fig. 3 C T -VR KSD-C022-000 3