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HVC350B
Variable Capacitance Diode for VCO
ADE-208-414(Z) Rev 0 June 1996 Features
* * * * High capacitance ratio. (n =2.8.min) Low series resistance. (rs=0.5max) Good C-V linearity. Ultra small Flat Package (UFP) is suitable for surface mount design.
Ordering Information
Type No. HVC350B Laser Mark B0 Package Code UFP
Outline
Cathode mark Mark 1
B0
2 1. Cathode 2. Anode
HVC350B
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 17.0 6.0 pF Unit nA Test Condition VR = 15V VR = 15V, Ta =60C VR = 1V, f = 1 MHz VR = 4V, f = 1 MHz
A\ A\
15.5 5.0 2.8
A\ A\ A\ A\ A\ A\
A\
0.5
A\
C1 / C4 VR = 1V, f = 470 MHz
A\
HVC350B
Main Characteristic
10 10 (A)
-6
30 f=1MHz
-7
25 Capacitance C (pF)
Reverse current IR
10 10 10 10
-8
20
-9
15
-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 0 f=470MHz 0.4 Series resistance rs ( ) LF =(LogC)/(LogVR )
Fig.2 Capacitance Vs. Reverse voltage
0.5
-0.5
0.3
0.2
-1.0
0.1
0 0.5
10 1.0 Reverse voltage VR (V)
30
-1.5 10-1
1.0 Reverse voltage VR (V) Fig.4 LF Vs. Reverse voltage
10
Fig.3 Series resistance Vs. Reverse voltage
HVC350B
Package Dimensions
Unit : mm
Cathode Mark 1
B0
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) UFP -- SC-79 0.0016 0.6 0.10

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