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| ADE-208-417(Z) HVC357 Variable Capacitance Diode for VCO Rev. 0 Nov. 1995 Features * Low series resistance. (rs=0.35 max) * Ultra small Flat Package (UFP) is suitable for surface mount design. Outline Cathode mark Mark 1 2 1. Cathode 2. Anode Ordering Information Type No. HVC357 Laser Mark J Package Code UFP Absolute Maximum Ratings (Ta = 25C) Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 10 125 -55 to +125 Unit V C C Electrical Characteristics (Ta = 25C) Item Reverse current Capacitance Capacitance ratio Series resistance Symbol IR1 IR2 C1 C2 n rs Min -- -- 19.5 14.3 1.3 -- Typ -- -- -- -- -- -- Max 10 100 23.5 17.6 -- 0.35 Unit nA pF -- Test Condition VR = 10 V VR = 10 V , Ta = 60 C VR = 1 V , f = 1 MHz VR = 2 V , f = 1 MHz C1 / C2 VR = 1 V , f = 470MHz HVC357 10 -10 40 f=1MHz Reverse current I R (A) 10 -12 Capacitance C (pF) 10 -11 30 20 10-13 10 10 -14 0 5 10 Reverse voltage VR (V) Fig.1 Reverse current Vs. Reverse voltage 15 0 10-1 1.0 Reverse voltage VR (V) Fig.2 Capacitance Vs. Reverse voltage 10 0.4 f=470MHz 0 Series resistance rs ( ) 0.3 LF =(LogC)/(LogVR ) 0.5 1.0 10 Reverse voltage VR (V) 30 -0.5 0.2 -1.0 0.1 0 -1.5 10-1 1.0 Reverse voltage VR (V) Fig.4 Linearity factor Vs. Reverse voltage 10 Fig.3 Series resistance Vs. Reverse voltage HVC357 Package Dimensions Unit: mm Cathode Mark J 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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