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Datasheet File OCR Text:

ADE-208-411(Z)
HVC308A Variable Capacitance Diode for TV tuner
Rev. 0 Nov. 1995 Features
* Low series resistance. (rs=0.95 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. HVC308A Laser Mark V Package Code UFP
Absolute Maximum Ratings (Ta = 25C)
Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 35 125 -55 to +125 Unit V C C
Electrical Characteristics (Ta = 25C)
Item Reverse current Capacitance Capacitance ratio Series resistance Symbol Min IR1 -- IR2 C2 C20 n rs -- 13.7 1.65 7.12 -- Typ -- -- -- -- -- -- Max 10 100 15.9 2.06 -- 0.95 Unit nA pF -- Test Condition VR = 30 V VR = 30V , Ta = 60 C VR = 2 V , f = 1 MHz VR = 20V , f = 1 MHz C2 / C20 VR = 5 V , f = 470MHz
HVC308A
10
-9
25 f=1MHz 20
Reverse current I R (A)
Capacitance C (pF)
10
-10
15
10
-11
10
10
-12
5
10
-13
0 40 20 30 10 Reverse voltage VR (V) Fig.1 Reverse current Vs. Reverse voltage 50
0
1.0
10 Reverse voltage VR (V) Fig.2 Capacitance Vs. Reverse voltage
40
1.2 f=470MHz Series resistance rs ( ) 1.0 0.8 L F=(LogC)/(LogVR ) 1.0 10 Reverse voltage VR (V) Fig.3 Series resistance Vs. Reverse voltage 40
0
-0.5
0.6
0.4
-1.0
0.2
0
-1.5 1.0
10 Reverse voltage VR (V) Fig.4 Linearity factor Vs. Reverse voltage
40
HVC308A
Package Dimensions
Unit: mm
Cathode Mark
V
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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