Philips Semiconductors
Product specification
Low-voltage variable capacitance diode
FEATURES
•
Very low capacitance spread
•
Excellent linearity
•
Very small plastic SMD package
•
C3: 10.6 pF; ratio: 1.53
•
Very low series resistance.
1
2
BB151
PINNING
PIN
1
2
cathode
anode
DESCRIPTION
APPLICATIONS
•
Voltage controlled oscillators (VCO).
DESCRIPTION
The BB151 is a variable capacitance diode, fabricated in
planar technology, and encapsulated in the SOD323
(SC-76) very small plastic SMD package.
Top view
sym008
Marking code:
PA.
The marking bar indicates the cathode.
Fig.1
Simplified outline (SOD323; SC-76) and
symbol.
ORDERING INFORMATION
TYPE
NUMBER
BB151
PACKAGE
NAME
−
DESCRIPTION
plastic surface mounted package; 2 leads
VERSION
SOD323
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
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.
10
20
+150
+150
V
mA
°C
°C
UNIT
2004 Feb 25
2
Philips Semiconductors
Product specification
Low-voltage variable capacitance diode
CHARACTERISTICS
T
j
= 25
°C
unless otherwise specified.
SYMBOL
I
R
r
s
C
d
PARAMETER
reverse current
diode series resistance
diode capacitance
CONDITIONS
V
R
= 10 V; see Fig.3
V
R
= 10 V; T
j
= 85
°C;
see Fig.3
f = 470 MHz; C
d
= 9 pF
f = 1 MHz; see Figs 2 and 4
V
R
= 0.5 V
V
R
= 1 V
V
R
= 2 V
V
R
= 3 V
V
R
= 4 V
C
d
(
1V
)
----------------
C
d
(
3V
)
C
d
(
1V
)
----------------
C
d
(
4V
)
capacitance ratio
f = 1 MHz
−
15.4
−
9.9
−
1.45
19.1
16.2
12.8
10.6
9
1.53
−
MIN.
−
−
−
TYP.
−
−
0.4
BB151
MAX. UNIT
10
200
0.55
nA
nA
Ω
pF
pF
pF
pF
pF
17
−
11.3
−
−
−
capacitance ratio
f = 1 MHz
−
1.8
2004 Feb 25
3
Philips Semiconductors
Product specification
Low-voltage variable capacitance diode
GRAPHICAL DATA
BB151
handbook, full pagewidth
20
MGS353
Cd
(pF)
16
12
8
4
0
10
−1
1
10
VR (V)
10
2
Fig.2 Diode capacitance as a function of reverse voltage; typical values.
10
3
I
R
(nA)
mlc816
10
−3
handbook, halfpage
TCd
(K
−1
)
MGS354
10
2
10
0
50
T
j
(°C)
100
10
−4
10
−1
1
VR (V)
10
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.
2004 Feb 25
4
Philips Semiconductors
Product specification
Low-voltage variable capacitance diode
PACKAGE OUTLINE
Plastic surface mounted package; 2 leads
BB151
SOD323
D
A
E
X
H
D
v
M
A
Q
1
2
b
p
A
A
1
(1)
c
L
p
detail X
0
1
scale
2 mm
DIMENSIONS (mm are the original dimensions)
UNIT
mm
A
1.1
0.8
A
1
max
0.05
b
p
0.40
0.25
c
0.25
0.10
D
1.8
1.6
E
1.35
1.15
H
D
2.7
2.3
L
p
0.45
0.15
Q
0.25
0.15
v
0.2
Note
1. The marking bar indicates the cathode
OUTLINE
VERSION
SOD323
REFERENCES
IEC
JEDEC
JEITA
SC-76
EUROPEAN
PROJECTION
ISSUE DATE
99-09-13
03-12-17
2004 Feb 25
5
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