Semiconductor Group
1
10.94
Type
Ordering Code
Pin Configuration
Marking
Package
(tape and reel)
1
2
BB 639
Q62702-B586
C
A
yellow S
SOD-323
Maximum Ratings
Parameter
Symbol
Values
Unit
Reverse voltage
V
R
30
V
Reverse voltage (
R
5 k
)
V
RM
35
V
Forward current
I
F
20
mA
Operating temperature range
T
op
55 ... + 150
C
Storage temperature range
T
stg
55 ... + 150
C
Thermal Resistance
Junction-ambient
R
thJA
450
K/W
Silicon Variable Capacitance Diode
BB 639
q
For tuning of extended frequency bands
in VHF TV/VTR tuners
BB 639
Semiconductor Group
2
Electrical Characteristics
at
T
A
= 25
C, unless otherwise specified.
Parameter
Symbol
Value
Unit
min.
typ.
max.
DC Characteristics
Reverse current
V
R
= 30 V
V
R
= 30 V,
T
A
= 85
C
I
R
10
200
nA
Diode capacitance
V
R
= 1 V,
f
= 1 MHz
V
R
= 28 V,
f
= 1 MHz
C
T
36
2.4
38.3
2.6
42
2.9
pF
Capacitance ratio
V
R
= 1 V, 28 V,
f
= 1 MHz
C
T1
/
C
T28
13.5
14.7
Capacitance matching
V
R
= 1 V ... 28 V,
f
= 1 MHz
C
T
/
C
T
2.5
%
Series resistance
C
T
= 12 pF,
f
= 100 MHz
r
S
0.65
Series inductance
L
S
2
nH
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