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ADE-208-017C(Z)
HVU357 Variable Capacitance Diode for VCO
Preliminary Rev. 3 Feb. 1993 Features
* Low series resistance. (rs=0.35 max) * Ultra small Resin Package (URP) is suitable for surface mount design.
Outline
Cathode mark Mark 1 2 1. Cathode 2. Anode
Ordering Information
Type No. HVU357 Laser Mark J Package Code URP
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
HVU357
10
-10
40 f=1MHz
Reverse current I R (A)
10
-11
30 Capacitance C (pF) 5 10 Reverse voltage VR (V) Fig.1 Reverse current Vs. Reverse voltage
10
-12
20
10-13
10
10
-14
0
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
HVU357
Package Dimensions
Unit: mm
Cathode Mark 1.250.15 0.30.15
J
1 1.70.15 2.50.15 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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