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| ADE-208-407(Z) HVC300A Variable Capacitance Diode for VHF tuner Rev. 0 Nov. 1995 Features * High capacitance ratio (n=14.5min) and suitable for wide band tuner. * Ultra small Flat Package (UFP) is suitable for surface mount design. * Low series resistance and good C-V linearity. 1 Outline Cathode mark Mark 2 1. Cathode 2. Anode Ordering Information Type No. HVC300A Laser Mark 0 Package Code UFP 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 n Min -- -- 39.5 2.60 -- 14.5 Typ -- -- -- -- -- -- Max 10 100 47.4 3.03 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 C2 / C25 VR = 5 V , f = 470 MHz Capacitance Series resistance rs -- -- 1.10 * A set of HVC300A 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. HVC300A 10 10 Reverse current I R (A) 10 10 10 10 10 10 -6 60 f=1MHz 50 Capacitance C (pF) 10 20 30 40 50 -7 -8 40 -9 30 -10 -11 20 -12 10 -13 0 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 2.0 1.8 Series resistance rs ( ) 1.6 f=470MHz 0 -0.5 1.2 1.0 0.8 0.6 0.4 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 LF =(LogC)/(LogVR ) 1.4 -1.0 -1.5 HVC300A Package Dimensions Unit: mm Cathode Mark 0 1.2 0.10 1.6 0.10 0.3 0.05 0.8 0.10 1 Cathode 2 Anode 0.6 0.10 HITACHI Code JEDEC Code EIAJ Code Weight (g) UFP -- SC-79 0.0016 |
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