ETC HVU358

ADE-208-003A(Z)
HVU358
Variable Capacitance Diode
for VCO
Preliminary
Rev. 1
Feb. 1993
Features
•
•
•
•
Outline
Low series resistance. (rs=0.4Ω 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.
Cathode mark
Mark
1
2
Ordering Information
1. Cathode
2. Anode
Type No.
Laser Mark
Package Code
HVU358
R
URP
Absolute Maximum Ratings (Ta = 25°C)
Item
Symbol
Value
Unit
Reverse voltage
VR
15
V
Junction temperature
Tj
125
°C
Storage temperature
Tstg
-55 to +125
°C
Electrical Characteristics (Ta = 25°C)
Item
Reverse current
Capacitance
Symbol Min
IR1
—
Typ
—
Max
10
IR2
—
—
100
C1
19.0
—
21.0
Unit
nA
pF
Test Condition
VR = 15 V
VR = 15 V , Ta = 60 °C
VR = 1 V , f = 1 MHz
C4
8.5
—
10.0
Capacitance ratio
n
2.0
—
—
—
VR = 4 V , f = 1 MHz
C1 / C4
Series resistance
rs
—
—
0.40
Ω
VR = 1 V , f = 470MHz
HVU358
-11
40
10
30
Capacitance C (pF)
Reverse current I R (A)
f=1MHz
-12
10
20
10
-13
10
0
4
12
8
16
Reverse voltage VR (V)
0
10-1
20
Fig.1 Reverse current Vs.
Reverse voltage
1.0
Reverse voltage VR (V)
10
Fig.2 Capacitance Vs.
Reverse voltage
0
0.4
0.3
LF =∆(LogC)/∆(LogVR )
Series resistance rs ( Ω)
f=470MHz
0.2
-0.5
-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
Unit: mm
Package Dimensions
1.7±0.15
2.5±0.15
1.25±0.15
1
2
0.3±0.15
R
Cathode Mark
1 Cathode
0.9±0.15
0±0.05
2 Anode
HITACHI Code
URP
JEDEC Code
—
EIAJ Code
—
Weight (g)
0.004