Nov-07-2002
1
BB804...
Silicon Variable Capacitance Diode
For FM tuners
Monolithic chip with common cathode
for perfect tracking of both diodes
Uniform "square law" characteristics
Ideal HiFi tuning device when used in
low-distortion, back-to-back configuration
BB804
3
1
D2
2
D1
Type Package Configuration L
S
(nH) Marking
BB804 SOT23 common cathode 1.8 SF1/2/3*
*For differences see next page Capacitance groups
Maximum Ratings at TA = 25°C, unless otherwise specified
Parameter Symbol Value Unit
Diode reverse voltage VR18 V
Peak reverse voltage VRM 20
Forward current IF50 mA
Operating temperature range Top -55 ... 125 °C
Storage temperature Tst
g
-55 ... 150
Nov-07-2002
2
BB804...
Electrical Characteristics at TA = 25°C, unless otherwise specified
Parameter Symbol Values Unit
min. typ. max.
DC Characteristics
Reverse current
VR = 16 V
VR = 16 V, TA = 65 °C
IR-
-
-
-
20
200
nA
AC Characteristics
Diode capacitance1)
VR = 2 V, f = 1 MHz
CT42 - 47.5 pF
Capacitance ratio
VR = 2 V, VR = 8 V, f = 1 MHz
CT2/CT8 1.65 1.71 -
Series resistance
VR = 2 V, f = 100 MHz
rS- 0.18 -
Figure of merit
f = 100 MHz, VR = 2 V
Q- 200 -
Temperature coefficient of diode capacitance
VR = 2 V, f = 1 MHz
TCC- 330 - ppm/K
1 Capacitance groups at 2V , coded 1; 2 ; 3
CT/groups 1 2 3
C2V min 43pF 44pF 45pF
C2V max 44.5pF 45.5pF 46.5pF
The capacitance subgroup is marked by the subgroup number printed on the component and the package
label. A packing unit (e.g. 8mm tape) contain diodes of one subgroup only. Delivery of different
capacitance subgroups requires a special agreement.
Nov-07-2002
3
BB804...
Diode capacitance CT =
(VR)
f = 1MHz
10
EHD07050
C
T
R
V
-1 0
10
1
10
2
10V
0
10
20
30
40
50
60
70
pF
80
Capacitance ratio CTref/CT =
(VR)
f = 1MHz
0
EHD07051
CT
R
V
0
T
C
51015V20
1
2
3
ref
CT
T1V
C
CT2V
T
C
Temperatur coefficient TCC =
(VR)
10
EHD07052
TC C
R
V
-5
-4
10
10-3
K
-1
10 0
10 2
10V
1
101
Package SOT23
Package Outline
Foot Print
Marking Layout
Packing
Code E6327: Reel ø180 mm = 3.000 Pieces/Reel
Code E6433: Reel ø330 mm = 10.000 Pieces/Reel
2.6 MAX.
0.25
M
BC
1.9
-0.05
+0.1
0.4 1
A
2
±0.1
3
2.9
DIN 6784
+0.2
acc. to
0.95
C
B
2
˚
30
˚
0.20
...
M
A
0.1 MAX.
10
˚
0.08...0.15
1.1 MAX.
1.3
±0.1
MAX.
10
˚
MAX.
0.8
1.2
0.91.10.9
0.8
Manufacturer
Date code (Year/Month)
Type code
2003, July
BCW66
Example
Pin 1
3.15
4
2.65
2.13
0.9
8
0.2
1.15
Pin 1
Impressum
Published by Infineon Technologies AG,
St.-Martin-Strasse 53,
81669 München
© Infineon Technologies AG 2005.
All Rights Reserved.
Attention please!
The information herein is given to describe certain components and shall not be
considered as a guarantee of characteristics.
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non-infringement, regarding circuits, descriptions and charts stated herein.
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