Vishay BB535, BB555, BB555-02V Schematic [ru]
Silicon Tuning Diode
g
• For UHF-TV-tuners
• High capacitance ratio
• Low series inductance
• Low series resistance
• Excellent uniformity and matching due to
"in-line" matching assembly procedure
• Pb-free (RoHS compliant) package
BB535
BB555/-02V
BB535/BB555...
Type Package Configuration L
BB535
BB555
BB555-02V
Maximum Ratings at T
SOD323
SCD80
SC79
= 25°C, unless otherwise specified
A
single
single
single
(nH) Marking
S
1.8
0.6
0.6
white S
BB
B
Parameter Symbol Value Unit
Diode reverse voltage V
Peak reverse voltage
V
R
RM
30 V
35
R ≥ 5kΩ
Forward current I
Operating temperature range T
Storage temperature T
F
op
st
20 mA
-55 ... 150
-55 ... 150
°C
1
2011-06-15
BB535/BB555...
Electrical Characteristics at TA = 25°C, unless otherwise specified
Parameter Symbol Values Unit
min. typ. max.
DC Characteristics
Reverse current
= 30 V
V
R
= 30 V, TA = 85 °C
V
R
AC Characteristics
Diode capacitance
V
= 1 V, f = 1 MHz
R
V
= 2 V, f = 1 MHz
R
V
= 25 V, f = 1 MHz
R
V
= 28 V, f = 1 MHz
R
Capacitance ratio
V
= 1 V, VR = 28 V, f = 1 MHz
R
Capacitance ratio
V
= 2 V, VR = 25 V, f = 1 MHz
R
Capacitance matching1)
V
= 1V to 28V, f = 1 MHz, 7 diodes sequence,
R
BB535
I
R
C
T
C
T1/CT28
C
T2/CT25
∆C
T/CT
-
-
17.5
14.01
2.05
1.9
-
-
18.7
15
2.24
2.1
8.2 8.9 9.8
6 6.7 7.5
-
-
10
200
20
16.1
2.4
2.3
2.5
nA
pF
-
%
V
= 1V to 28V, f = 1 MHz, 4 diodes sequence,
R
BB555/-02V
V
= 1V to 28V, f = 1 MHz, 7 diodes sequence,
R
BB555/-02V
Series resistance
V
= 3 V, f = 470 MHz
R
Series inductance L
1
For details please refer to Application Note 047
-
-
r
S
S
- 0.58 0.75 Ω
- 0.6 - nH
0.15
0.25
1
2
2
2011-06-15
BB535/BB555...
Diode capacitance C
f = 1MHz
20
pF
16
14
T
C
12
10
8
6
4
2
0
0 5 10 15 20
= ƒ (VR)
T
Normalized diode capacitance
C
(TA)/C(25°C)
V
= Parameter
R
1.08
-
25°C
/C
1.04
TA
C
1.02
1
0.98
V
30
0.96
-30 -10 10 30 50 70
VR
= ƒ(TA); f = 1MHz
1V
2V
25V
°C
110
T
A
Temperature coefficient of the diode
capacitance T
-3
10
1/°C
C
TC
-4
10
-5
10
0
10
= ƒ (VR)
Cc
10
1
V
V
Reverse current I
V
= 28 V
R
3
10
pA
2
10
R
I
1
10
0
2
10
R
10
-10 10 30 50 70
= ƒ (TA)
R
°C
100
T
A
3
2011-06-15
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