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| ADE-208-069D(Z) HVU307 Variable Capacitance Diode for VHF tuner Rev. 4 Sep. 1995 Features * High capacitance ratio. (n =12.0min) * Low series resistance. (rs=0.85max) * Ultra small Resin Package (URP) is suitable for surface mount design. 1 Package Code URP Outline Cathode mark Mark 2 1. Cathode 2. Anode Ordering Information Type No. HVU307 Laser Mark 7 Absolute Maximum Ratings (Ta = 25C) Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 30 125 -55 to +125 Unit V C C Electrical Characteristics (Ta = 25C) Item Reverse current Capacitance Capacitance ratio Series resistance Matching error Symbol IR1 IR2 C2 C25 n rs C/C* Min -- -- 32.2 2.57 12.0 -- -- Typ -- -- -- -- 12.5 -- -- Max 10 100 37.5 3.00 -- 0.85 2.0 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 VR = 5 V , VR = 2~25V f = 470 MHz * A set of HVU307 is of uniform C-V characteristics. Measure max. value and min. value of capacitance at each bias point of VR=2V through 25V. Calculate Matching Error, (Cmax-Cmin) C/C= x 100 (%) Cmin ** Each group shall uniform a multiple of 4 diodes. HVU307 10 10 Reverse current I R (A) -6 60 f=1MHz 50 Capacitance C (pF) -7 10 -8 10 10 -9 40 30 -10 20 10 10 -11 -12 10 10 -13 0 10 20 30 40 50 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 10 1.0 Reverse voltage VR (V) Fig.3 Series resistance Vs. Reverse voltage 30 -2.0 0.5 10 1.0 Reverse voltage VR (V) Fig.4 Linearity factor Vs. Reverse voltage 30 HVU307 Package Dimensions Unit: mm Cathode Mark 1.250.15 0.30.15 7 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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