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| ADE-208-045D(Z) HVU306A Variable Capacitance Diode for VHF tuner Rev. 4 Nov. 1994 Features * High capacitance ratio. (n=11.0min) * Low series resistance and good C-V linearity. * Ultra small Resin Package (URP) is suitable for surface mount design. 1 Outline Cathode mark Mark 2 1. Cathode 2. Anode Ordering Information Type No. HVU306A Laser Mark 3 Package Code URP Absolute Maximum Ratings (Ta = 25C) Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 32 125 -55 to +125 Unit V C C Electrical Characteristics (Ta = 25C) Item Reverse current Symbol IR1 IR2 C2 C25 C/C* Capacitance ratio Series resistance n rs Min -- -- 29.3 2.57 -- 11.0 -- Typ -- -- -- -- -- -- -- Max 10 100 34.2 2.92 2.0 -- 0.75 Unit nA pF % -- Test Condition VR = 30 V VR = 30 V , Ta = 60 C VR = 2 V , f = 1 MHz VR = 25 V , f = 1 MHz C2 , C25 C2 / C25 VR = 5 V , f = 470 MHz Capacitance * A set of HVU306A is of uniform C-V characteristics. Measure max. value and min. value of capacitance . Calculate Matching Error, (Cmax-Cmin) C/C= x 100 (%) Cmin ** Each group shall uniform a multiple of 4 diodes. HVU306A 10 10 Reverse current I R (A) 10 -6 60 f=1MHz 50 Capacitance C (pF) 0 10 20 30 40 50 -7 -8 40 10 -9 30 10 10 10 -10 -11 20 -12 10 10 -13 0 0.5 1.0 Reverse voltage VR (V) Fig.1 Reverse current Vs. Reverse voltage 10 Reverse voltage VR (V) 30 Fig.2 Capacitance Vs. Reverse voltage 1.0 f=470MHz Series resistance rs ( ) 0.8 LF =(LogC)/(LogVR ) 0 -0.5 0.6 -1.0 0.4 -1.5 0.2 0 0.5 -2.0 10 1.0 Reverse voltage VR (V) Fig.3 Series resistance Vs. Reverse voltage 30 0.5 10 1.0 Reverse voltage VR (V) Fig.4 Linearity factor Vs. Reverse voltage 30 HVU306A Package Dimensions Unit: mm Cathode Mark 1.250.15 0.30.15 3 1 1.70.15 2.50.15 2 1 Cathode 2 Anode 0.90.15 00.05 HITACHI Code JEDEC Code EIAJ Code Weight (g) URP -- -- 0.004 |
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