BB545 Datasheet, PDF (2/2 Pages) Siemens Semiconductor Group – Silicon Tuning Diode (For tuning UHF and VHF TV Tuners Large capacitance ratio, low series resistance)

Product specification
BB545 /BB565...
Electrical Characteristics at T_A = 25°C, unless otherwise specified
Parameter
Symbol
Values
Unit
min. typ. max.
DC Characteristics
Reverse current
V_R = 30 V
V_R = 30 V, T_A = 85 °C
I_R
nA
-
-
10
-
- 200
AC Characteristics
Diode capacitance
V_R = 1 V, f = 1 MHz
V_R = 2 V, f = 1 MHz
V_R = 25 V, f = 1 MHz
V_R = 28 V, f = 1 MHz
Capacitance ratio
V_R = 1 V, V_R = 28 V, f = 1 MHz
Capacitance ratio
V_R = 2 V, V_R = 25 V, f = 1 MHz
Capacitance matching¹⁾
V_R = 1V to 28V, f = 1 MHz, 7 diodes sequence,
BB545
V_R = 1V to 28V, f = 1 MHz, 4 diodes sequence,
BB565/ -02V
V_R = 1V to 28V, f = 1 MHz, 7 diodes sequence,
BB565/ -02V
C_T
C_T1/C_T28
C_T2/C_T25

C_T/C_T
18.5
13.2
1.85
1.8
9
6.3
-
-
-
20
14.8
2.07
2
10
7.2
-
0.5
0.7
pF
21.5
16.4
2.28
2.2
11 -
8.1
%
2.5
1.5
2
Series resistance
r_S
V_R = 3 V, f = 470 MHz
1_{For details please refer to Application Note 047}
-
0.6
-
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