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HVC358B
Variable Capacitance Diode for VCO
ADE-208-418(Z) Rev 0 July 1996 Features
* * * * High capacitance ratio. (n =2.20.min) Low series resistance. (rs=0.4max) Good C-V linearity. Ultra small Flat Package (UFP) is suitable for surface mount design.
Ordering Information
Type No. HVC358B Laser Mark B2 Package Code UFP
Outline
Cathode mark Mark 1
B2
2 1. Cathode 2. Anode
HVC358B
Absolute Maximum Ratings (Ta = 25C)
Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 15 125 -55A+125 Unit V C C
Electrical Characteristics (Ta = 25C)
Item Reverse current Symbol IR1 IR2 Capacitance C1 C4 Capacitance ratio Series resistance n rs Min Typ Max 10 100 21.0 9.30 pF Unit nA Test Condition VR = 15V VR = 15V, Ta =60C VR = 1V, f = 1 MHz VR = 4V, f = 1 MHz
A\ A\
19.5 8.00 2.20
A\ A\ A\ A\ A\ A\
A\
0.4
A\
C1 / C4 VR = 1V, f = 470 MHz
A\
HVC358B
Main Characteristic
10 10
-6
30 f=1MHz
-7
25
(A)
Reverse current IR
10 10
-8
Capacitance C (pF)
20
-9
15
10 10
-10
-11
10
10 10
-12
5
-13
0
4
8 12 16 Reverse voltage VR (V)
20
0 -1 10
1.0 Reverse voltage VR (V)
10
Fig.1 Reverse current Vs. Reverse voltage
Fig.2 Capacitance Vs. Reverse voltage
0.4 f=470MHz
0
Series resistance rs ( )
0.3
LF =(LogC)/(LogVR )
-0.5
0.2
-1.0
0.1
0
10-1
1.0 Reverse voltage VR (V)
10
-1.5 10-1
1.0 Reverse voltage VR (V)
10
Fig.3 Series resistance Vs. Reverse voltage
Fig.4 LF Vs. Reverse voltage
HVC358B
Package Dimensions
Unit : mm
Cathode Mark 1
B2
1.2 0.10 1.6 0.10
2 0.3 0.05 0.8 0.10
1. Cathode 2. Anode Hitachi Code JEDECCode EIAJCode Weight(g) 0.6 0.10
UFP
-- SC-79 0.0016

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