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ADE-208-003A(Z)
HVU358 Variable Capacitance Diode for VCO
Preliminary Rev. 1 Feb. 1993 Features
* * * * Low series resistance. (rs=0.4 max) High capacitance ratio. (n=2.0min at C1/C4) Good linearity of C-V curve. Ultra small Resin Package (URP) is suitable for surface mount design.
1
Outline
Cathode mark Mark 2 1. Cathode 2. Anode
Ordering Information
Type No. HVU358 Laser Mark R Package Code URP
Absolute Maximum Ratings (Ta = 25C)
Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 15 125 -55 to +125 Unit V C C
Electrical Characteristics (Ta = 25C)
Item Reverse current Capacitance Capacitance ratio Series resistance Symbol Min IR1 -- IR2 C1 C4 n rs -- 19.0 8.5 2.0 -- Typ -- -- -- -- -- -- Max 10 100 21.0 10.0 -- 0.40 Unit nA pF -- Test Condition VR = 15 V VR = 15 V , Ta = 60 C VR = 1 V , f = 1 MHz VR = 4 V , f = 1 MHz C1 / C4 VR = 1 V , f = 470MHz
HVU358
10
-11
40 f=1MHz
Reverse current I R (A)
30 Capacitance C (pF) 4 12 8 16 Reverse voltage VR (V) 20
10
-12
20
10
10
-13
0
0 10-1
1.0 Reverse voltage VR (V) Fig.2 Capacitance Vs. Reverse voltage
10
Fig.1 Reverse current 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) Fig.3 Series resistance Vs. Reverse voltage
10
-1.5 10-1
1.0 Reverse voltage VR (V) Fig.4 Linearity factor Vs. Reverse voltage
10
HVU358
Package Dimensions
Unit: mm
Cathode Mark 1.250.15 0.30.15
R
1.70.15 2.50.15
1
2
1 Cathode 2 Anode 0.90.15 00.05
HITACHI Code JEDEC Code EIAJ Code Weight (g)
URP -- -- 0.004

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