DISCRETE SEMICONDUCTORS
DATA SHEET
alfpage
M3D088
BBY31
UHF variable capacitance diode
Product specification
Supersedes data of November 1993
1996 May 03
Philips Semiconductors
Product specification
UHF variable capacitance diode
FEATURES
•
Excellent linearity
•
Small plastic SMD package
•
C28: 1.9 pF; ratio: 8.3.
APPLICATIONS
•
Electronic tuning in UHF television
tuners
•
VCO.
DESCRIPTION
The BBY31 is a variable capacitance
diode, fabricated in planar
technology, and encapsulated in the
SOT23 small plastic SMD package.
Marking code:
S1.
handbook, halfpage
2
BBY31
1
2
n.c.
3
3
MAM170
1
Fig.1 Simplified outline (SOT23), pin configuration and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
V
R
I
F
T
stg
T
j
continuous reverse voltage
continuous forward current
storage temperature
operating junction temperature
PARAMETER
−
−
−55
−55
MIN.
MAX.
30
20
+150
+125
V
mA
°C
°C
UNIT
ELECTRICAL CHARACTERISTICS
T
j
= 25
°C;
unless otherwise specified.
SYMBOL
I
R
r
s
C
d
PARAMETER
reverse current
diode series resistance
diode capacitance
capacitance ratio
CONDITIONS
V
R
= 28 V; see Fig.3
V
R
= 28 V; T
j
= 85
°C;
see Fig.3
f = 470 MHz; note 1
V
R
= 1 V; f = 1 MHz; see Figs 2 and 4
f = 1 MHz
MIN.
−
−
−
−
−
TYP.
−
−
−
16.5
−
8.3
MAX.
10
200
1.2
−
2
−
UNIT
nA
nA
Ω
pF
pF
V
R
= 28 V; f = 1 MHz; see Figs 2 and 4 1.6
C
d
(
1V
)
--------------------
C
d
(
28V
)
Note
1. V
R
is the value at which C
d
= 9 pF.
1996 May 03
2
Philips Semiconductors
Product specification
UHF variable capacitance diode
GRAPHICAL DATA
BBY31
MBE874
handbook, full pagewidth
20
Cd
(pF)
16
12
8
4
0
10
−1
f = 1 MHz; T
j
= 25
°C.
1
10
VR (V)
10
2
Fig.2 Diode capacitance as a function of reverse voltage; typical values.
10
3
handbook, halfpage
MLC816
10
3
handbook, halfpage
MLC815
IR
(nA)
(K
−1
)
TC d
10
2
10
4
10
0
50
T j (
o
C)
100
10
5
10
1
1
10
VR (V)
10
2
Fig.4
Fig.3
Reverse current as a function of junction
temperature; maximum values.
Temperature coefficient of diode
capacitance as a function of reverse
voltage; typical values.
1996 May 03
3
Philips Semiconductors
Product specification
UHF variable capacitance diode
PACKAGE OUTLINE
BBY31
handbook, full pagewidth
3.0
2.8
0.150
0.090
1.9
0.95
2
0.1
max
10 o
max
3
1.1
max
30 o
max
0.48
0.38
TOP VIEW
0.1 M A B
1
B
A
0.2 M A
0.55
0.45
10 o
max
1.4
1.2
2.5
max
MBC846
Dimensions in mm.
Fig.5 SOT23.
DEFINITIONS
Data sheet status
Objective specification
Preliminary specification
Product specification
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
This data sheet contains final product specifications.
1996 May 03
4
京公网安备 11010802033920号
EEWORLD
