ETC HVU315

ADE-208-038C(Z)
HVU315
Variable Capacitance Diode
for Wide Band tuner
Preliminary
Rev. 3
May. 1993
Features
Outline
• High capacitance ratio. (n =10.3min)
• Low series resistance. (rs =0.7Ωmax)
• 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
HVU315
K
URP
Absolute Maximum Ratings (Ta = 25°C)
Item
Symbol
Value
Unit
Reverse voltage
VR
30
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
nA
VR = 30 V
IR
—
—
10
C2
27.6
—
32.1
C25
2.67
—
3.02
n
10.3
—
—
Series resistance
rs
—
—
Matching error
∆C/C*
—
—
Reverse current
Capacitance
Capacitance ratio
pF
VR = 2 V , f = 1 MHz
VR = 25 V , f = 1 MHz
—
C2 / C25
0.70
Ω
VR = 5 V , f = 470 MHz
2.0
%
VR = 2~25 V
* A set of HVU315 is of uniform C-V characteristics.
Measure max. value and min. value of capacitance at each bias point of VR=2V through 25V.
Calculate Matching Error,
(Cmax-Cmin)
∆C/C=
x 100 (%)
Cmin
** Each group shall uniform a multiple of 4 diodes.
HVU315
10
-6
50
f=1MHz
10
-7
10
10
Capacitance C (pF)
Reverse current I R (A)
40
-8
-9
-10
10
10
-11
30
20
10
-12
10
-13
10
0
10
20
40
30
0
1.0
50
Reverse voltage VR (V)
Fig.1 Reverse current Vs.
Reverse voltage
10
Reverse voltage VR (V)
30
Fig.2 Capacitance Vs.
Reverse voltage
1.0
0
f=470MHz
LF =∆(LogC)/∆(LogVR )
Series resistance rs ( Ω )
0.8
0.6
0.4
-0.5
-1.0
0.2
0
1.0
10
Reverse voltage VR (V)
Fig.3 Series resistance
Vs. Reverse voltage
30
-1.5
1.0
10
Reverse voltage VR (V)
Fig.4 Linearity factor Vs.
Reverse voltage
30
HVU315
Unit: mm
Package Dimensions
K
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