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| RN731V Diodes PIN diode RN731V !Applications VHF/UHF band variable attenuators and AGC. !External dimensions (Units : mm) CATHODE MARK CATHODE MARK !Features 1) Small surface mounting type. (UMD2) 2) Low high-frequency forward resistance (rF) / low capacitance (CT). 3) High reliability. 2.50.2 1.70.1 2.50.2 1.70.1 9 0.30.2 1.250.1 0.7 +0.2 -0.1 0.1 +0.1 -0.05 9 0.30.2 1.250.1 0.7 +0.2 -0.1 0.1 +0.1 -0.05 !Construction Silicon diffusion junction ROHM : UMD2 EIAJ : SC - 76 JEDEC : SOD - 323 There are two different markings. !Absolute maximum ratings (Ta=25C) Parameter DC reverse voltage DC forward current Power dissipation Junction temperature Storage temperature Symbol VR IF Pd Tj Tstg Limits 50 50 100 125 -55+125 Unit V mA mW C C !Electrical characteristics (Ta=25C) Parameter Forward voltage Reverse current Capacitance between terminals Forward operating resistance Symbol VF IR CT rF Min. - - - - Typ. - - - - Max. 1.0 100 0.4 7 Unit V nA pF IF=50mA VR=50V VR=35V, f=1MHz IF=10mA, f=100MHz Conditions RN731V Diodes !Electrical characteristic curves (Ta=25C) 10 100m FORWARD CURRENT : IF (A) 125C 1 CAPACITANCE BETWEEN TERMINALS : CT (pF) 1.0 0.7 0.5 0.4 0.3 f=1MHz 125C REVERSE CURRENT : IR (A) 75C 25C 100n 10n 75C 10m -25C 1n 100p 25C 1m 0.2 f=10MHz 10p 1p 0 0.5 1.0 0.1 0 10 20 30 40 50 60 70 10 20 30 FORWARD VOLTAGE : VF (V) REVERSE : VOLTAGE : VR (V) REVERSE VOLTAGE : VR (V) Fig.1 Forward characteristics Fig.2 Reverse characteristics Fig.3 Capacitance between terminals characteristics (I) CAPACITANCE BETWEEN TERMINALS : CT (pF) f=1MHz 0.7 0.5 0.4 0.3 VR=3V VR=0V 100 f=100MHz f=10MHz DYNAMIC FORWARD RESISTANCE : rF () 1.0 DYNAMIC FOWARD RESISTANCE : rF () 20 IF=2mA 10 10 0.2 1.0 0.1 100 200 300 400 500 600 0.1 1.0 10 10 100 FORWARD CURRENT : f (MHz) 1000 HIGH FREQUENCY : f (MHz) FORWARD CURRENT : IF (mA) Fig 4 Capacitance between terminals characteristics (II) Fig.5 High frequency characteristics Fig.6 Forward operating resistance characteristics 100 Io CURRENT (%) 80 60 40 20 0 0 25 50 75 100 125 AMBIENT TEMPERATURE : Ta (C) Fig.7 Derating curve (mounting on glass epoxy PCBs) |
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