HITACHI HVC375

HVC375B
Variable Capacitance Diode for VCO
ADE-208-625 (Z)
Rev.0
Feb. 1999
Features
•
•
•
•
Low tolerance.
Low series resistance. (rs=1.1Ω max)
Good C-V linearity.
Ultra small F lat P ackage (UFP) is suitable for surface mount design.
Ordering Information
Type No.
Laser Mark
Package Code
HVC375B
B8
UFP
Outline
Cathode mark
Mark
1
B8
2
1. Cathode
2. Anode
HVC375B
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
Reverse current
I R1
—
—
10
nA
VR = 10V
I R2
—
—
100
C1
15.0
—
16.5
C3
5.0
—
6.0
VR = 3V, f = 1 MHz
C4
3.3
—
4.0
VR = 4V, f = 1 MHz
Capacitance ratio
n
4.0
—
—
—
C1/ C4
Series resistance
rs
—
—
1.1
Ω
VR = 2V, f = 470 MHz
Capacitance
2
VR = 10V, Ta = 60 °C
pF
VR = 1V, f = 1 MHz
HVC375B
Main Characteristic
-10
25
10
f=1MHz
20
Capacitance C (pF)
Reverse current IR (A)
-11
10
-12
10
15
10
10-13
5
-14
0
10-1
10
0
5
10
15
Reverse voltage VR (V)
1.0
10
Reverse voltage VR (V)
Fig.1 Reverse current Vs. Reverse voltage
Fig.2 Capacitance Vs. Reverse voltage
1.2
0
f=470MHz
-0.50
LF =∆(LogC)/∆(LogVR )
Series resistance rs (Ω)
1.0
0.8
0.6
0.4
-1.00
-1.50
0.2
0
10-1
1.0
10
Reverse voltage VR (V)
Fig.3 Series resistance Vs. Reverse voltage
-2.00
10-1
1.0
10
Reverse voltage V R (V)
Fig.4 Linearity factor Vs. Reverse voltage
3
HVC375B
Package Dimensions
Unit : mm
Cathode Mark
B8
1.2 ± 0.10
1.6 ± 0.10
2
0.3 ± 0.05
0.8 ± 0.10
1
0.6 ± 0.10
1. Cathode
2. Anode
4
Hitachi Code
JEDECCode
EIAJCode
Weight(g)
UFP
—
SC-79
0.0016
Cautions
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intellectual property rights, in connection with use of the information contained in this document.
2. Products and product specifications may be subject to change without notice. Confirm that you have
received the latest product standards or specifications before final design, purchase or use.
3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,
contact Hitachi’s sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk
of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,
traffic, safety equipment or medical equipment for life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly
for maximum rating, operating supply voltage range, heat radiation characteristics, installation
conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used
beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable
failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other
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