HITACHI HVU351

ADE-208-037D(Z)
HVU351
Variable Capacitance Diode
for VCO
Rev. 4
May. 1995
Features
Outline
• Low series resistance. (rs=0.35Ω max)
• Ultra small Resin Package (URP) is suitable for
surface mount design.
Cathode mark
Mark
1
Ordering Information
Type No.
Laser Mark
Package Code
HVU351
6
URP
2
1. Cathode
2. Anode
Absolute Maximum Ratings (Ta = 25°C)
Item
Symbol
Value
Unit
Reverse voltage
VR
10
V
Junction temperature
Tj
125
°C
Storage temperature
Tstg
-55 to +125
°C
Electrical Characteristics (Ta = 25°C)
Item
Symbol Min
Typ
Max
Unit
Test Condition
IR1
—
—
10
IR2
—
—
100
C2
14.0
—
16.0
C10
5.0
—
6.5
Capacitance ratio
n
2.00
—
—
—
C2 / C10
Series resistance
rs
—
—
0.35
Ω
VR = 1 V ,
Reverse current
Capacitance
nA
pF
VR = 10 V
VR = 10 V , Ta= 60 °C
VR = 2 V ,
f = 1 MHz
VR = 10 V , f = 1 MHz
f = 470 MHz
HVU351
10-6
30
f=1MHz
10
10
25
-8
Capacitance C (pF)
Reverse current I R (A)
10
-7
-9
-10
10
-11
10
20
15
10
5
-12
10
-13
10
0
4
8
12
16
0
-1
10
20
Reverse voltage VR (V)
1.0
Reverse voltage VR (V)
10
Fig.2 Capacitance Vs.
Reverse voltage
Fig.1 Reverse current Vs.
Reverse voltage
0.5
0
0.4
LF =∆(LogC)/∆(LogVR )
Series resistance rs ( Ω )
f=470MHz
0.3
0.2
-0.5
-1.0
0.1
0
0.5
10
1.0
Reverse voltage VR (V)
Fig.3 Series resistance Vs.
Reverse voltage
30
-1.5
10-1
1.0
Reverse voltage VR (V)
Fig.4 Linearity factor Vs.
Reverse voltage
10
HVU351
Unit: mm
Package Dimensions
6
1.25±0.15
Cathode Mark
1.7±0.15
2.5±0.15
0.3±0.15
2
1
1 Cathode
0.9±0.15
0±0.05
2 Anode
HITACHI Code
URP
JEDEC Code
—
EIAJ Code
—
Weight (g)
0.004