2005-10-19
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
!
,
,
Type Package Configuration LS(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
2005-10-19
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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 - Ω
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.
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BB804...
Diode capacitance CT = ƒ (VR)
f = 1MHz
10
EHD07050
CT
R
V
-1 0
10 1
10 2
10V
0
10
20
30
40
50
60
70
pF
80
Capacitance ratio CTref/CT = ƒ (VR)
f = 1MHz
0
EHD07051
C
T
R
V
0
T
C
51015V20
1
2
3
ref
C
T
T1V
C
C
T2V
T
C
Temperatur coefficient TCC = ƒ (VR)
10
EHD07052
TCC
R
V
-5
-4
10
10-3
K
-1
10 0
10 2
10V
1
101
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BB804...
Package SOT23
Package Outline
Foot Print
Marking Layout
Standard Packing
Reel ø180 mm = 3.000 Pieces/Reel
Reel ø330 mm = 10.000 Pieces/Reel
12
s
Manufacturer
Date code (Year/Month)
Type code
EH
s
2003, July
BCW66
Example
37
Pin 1
0.8
0.9 0.91.3
0.8 1.2
0.25 MBC
1.9
-0.05
+0.1
0.4
±0.1
2.9
0.95
C
B
0...8˚
0.2 A
0.1 MAX.
10˚ MAX.
0.08...0.15
1.3
±0.1
10˚ MAX.
M
2.4
±0.15
±0.1
1
A
0.15 MIN.
1)
1) Lead width can be 0.6 max. in dambar area
12
3
3.15
4
2.65
2.13
0.9
8
0.2
1.15
Pin 1
2005-10-19
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BB804...
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.
Terms of delivery and rights to technical change reserved.
We hereby disclaim any and all warranties, including but not limited to warranties of
non-infringement, regarding circuits, descriptions and charts stated herein.
Information
For further information on technology, delivery terms and conditions and prices
please contact your nearest Infineon Technologies Office (www.Infineon.com).
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For information on the types in question please contact your nearest Infineon
Technologies Office.
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Life support devices or systems are intended to be implanted in the human body, or
to support and/or maintain and sustain and/or protect human life. If they fail, it is
reasonable to assume that the health of the user or other persons may be endangered.
