參數(shù)資料
型號(hào)： BB909A
廠商： NXP SEMICONDUCTORS
元件分類： 參考電壓二極管
英文描述： VHF variable capacitance diodes
中文描述： VHF-UHF BAND, 23 pF, SILICON, VARIABLE CAPACITANCE DIODE, DO-34
文件頁(yè)數(shù)： 2/4頁(yè)
文件大?。?/td> 30K
代理商： BB909A
1996 May 03
2
Philips Semiconductors
Product specification
VHF variable capacitance diodes
BB909A; BB909B
FEATURES
Excellent linearity
Hermetically sealed leaded glass
SOD68 (DO-34) package
C28: 2.9 pF; ratio: 13.5
Low series resistance.
APPLICATIONS
Electronic tuning in VHF television
tuners, band B up to 460 MHz
VCO.
DESCRIPTION
The BB909A, BB909B are variable
capacitance diodes, fabricated in
planar technology, and encapsulated
in hermetically sealed leaded glass
SOD68 (DO-34) packages.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
V
R
I
F
T
stg
T
j
continuous reverse voltage
55
55
30
V
continuous forward current
storage temperature
20
mA
°
C
°
C
+150
operating junction temperature
+100
Fig.1 Simplified outline (SOD68; DO-34) and symbol.
Cathode side indicated by a green band on a black body (BB909A and BB909B).
Additional red band (BB909A only).
handbook, halfpage
MAM234
k
a
ELECTRICAL CHARACTERISTICS
T
j
= 25
°
C; unless otherwise specified.
Note
1.
V
R
is the value at which C
d
= 30 pF.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
I
R
reverse current
V
R
= 28 V; see Fig.3
V
R
= 28 V; T
j
= 85
°
C; see Fig.3
f = 100 MHz; note 1
see Figs 2 and 4
10
200
0.9
nA
nA
r
s
C
d
diode series resistance
diode capacitance
BB909A
V
R
= 1 V; f = 1 MHz
V
R
= 3 V; f = 1 MHz
V
R
= 28 V; f = 1 MHz
V
R
= 1 V; f = 1 MHz
V
R
= 3 V; f = 1 MHz
V
R
= 28 V; f = 1 MHz
f = 1 MHz
31
2.6
33.5
2.8
12
23
25
3
3.2
15
pF
pF
pF
pF
BB909B
pF
pF
capacitance ratio
capacitance matching
V
R
= 1 to 28 V
2.5
%
C
C
d 28V
)
)
--------------------
C
d
C
d
----------
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