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BB640...
Silicon Variable Capacitance Diode
• For VHF TV / VTR tuners
• Pb-free (RoHS compliant) package
BB640
Type Package Configuration LS(nH) Marking
BB640 SOD323 single 1.8 red S
Maximum Ratings at TA = 25°C, unless otherwise specified
Parameter Symbol Value Unit
Diode reverse voltage VR30 V
Peak reverse voltage
( R ≥ 5kΩ )
VRM 35
Forward current IF20 mA
Operating temperature range Top -55 ... 150 °C
Storage temperature Tst
g
-55 ... 150
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Electrical Characteristics at TA = 25°C, unless otherwise specified
Parameter Symbol Values Unit
min. typ. max.
DC Characteristics
Reverse current
VR = 30 V
VR = 30 V, TA = 85 °C
IR
-
-
-
-
10
200
nA
AC Characteristics
Diode capacitance
VR = 1 V, f = 1 MHz
VR = 2 V, f = 1 MHz
VR = 25 V, f = 1 MHz
VR = 28 V, f = 1 MHz
CT
62
47.5
2.85
2.8
69
54.5
3.28
3.05
76
61.5
3.7
3.3
pF
Capacitance ratio
VR = 1 V, VR = 28 V, f = 1 MHz
CT1/CT28 19.5 - 25
Capacitance ratio
VR = 2 V, VR = 25 V, f = 1 MHz
CT2/CT25 15 16.6 -
Capacitance matching1)
VR = 1 V, VR = 28 V, f = 1 MHz
∆CT/CT- - 2.5 %
Series resistance
CT = 12 pF, f = 100 MHz
rS- 1.15 - Ω
1For details please refer to Application Note 047.
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Diode capacitance CT = ƒ (VR)
f = 1MHz
10
EHD07045
CT
R
V
-1 0
10 1
10 2
10V
0
10
20
30
40
50
60
70
80
90
pF
100
Temperature coefficient of the diode
capacitance TCc = ƒ (VR)
10 0 10 1 10 2
V
VR
-5
10
-4
10
-3
10
1/°C
TCc
Reverse current IR = ƒ (TA)
VR = 28V
0 10 20 30 40 50 60 70 80 °C 100
TA
0
50
100
150
200
pA
300
IR
Reverse current IR = ƒ(VR)
TA = Parameter
0 4 8 12 16 20 24 V30
VR
-13
10
-12
10
-11
10
-10
10
-9
10
IR
0°C
25°C
85°C
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Package SOD323
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Edition 2009-11-16
Published by
Infineon Technologies AG
81726 Munich, Germany
2009 Infineon Technologies AG
All Rights Reserved.
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The information given in this document shall in no event be regarded as a guarantee
of conditions or characteristics. With respect to any examples or hints given herein,
any typical values stated herein and/or any information regarding the application of
the device, Infineon Technologies hereby disclaims any and all warranties and
liabilities of any kind, including without limitation, warranties of non-infringement of
intellectual property rights of any third party.
Information
For further information on technology, delivery terms and conditions and prices,
please contact the nearest Infineon Technologies Office (<www.infineon.com>).
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Due to technical requirements, components may contain dangerous substances.
For information on the types in question, please contact the nearest Infineon
Technologies Office.
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