SDP520WMUF Semiconductor Attenuator Diode Features • • • • • SMD package : SOT-323F Low capacitance : CT=0.25pF(Typ.) Low series resistance : rs=7Ω(Typ.) VHF tuner band RF attenuator application AGC for UHF/VHF Tuner Ordering Information Type No. Marking Package Code SDP520WMUF 2M SOT-323F Outline Dimensions unit : mm 2.1±0.1 0.30~0.40 3 2 +0.1 0.70-0.15 1.30 BSC 1 0~0.1 0.11±0.05 2.0±0.1 1.30±0.1 PIN Connections 1. Anode 2. Cathode 3. Cathode, Anode KSD-3016-000 1 SDP520WMUF Absolute maximum ratings Ta=25°C Characteristic Symbol Ratings Unit VR 50 V * 50 mA Continuous reverse voltage Forward current IF Junction temperature Tj 150 °C Storage temperature Tstg -55 ~ 150 °C * : Unit ratings. Total rating = Unit rating × 1.5 Ta=25°°C Electrical Characteristics Characteristic Symbol Test Condition Min. Typ. Max. Unit Reverse voltage VR IR=10µA 50 - - V Reverse current IR VR=50V - - 0.1 µA 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 - Ω IF=0.1mA, f=100MHz - 380 - Ω IF=1mA, f=100MHz - 45 - Ω IF=10mA, f=100MHz - 7 - Ω Series resistance rS KSD-3016-000 2 SDP520WMUF Fig. 1 I C -Ta Fig. 3 CT -VR Fig. 2 IF-VF Fig. 4 rs-IF KSD-3016-000 3