LESHAN RADIO COMPANY, LTD.
VHF variable capacitance diode
FEATURES
路 Excellent linearity
路 Ultra small plastic SMD package
路 C28: 1 pF; ratio: 14.
APPLICATIONS
路 Electronic tuning in satellite tuners
路 Tuneable coupling
路 Voltage controlled oscillators (VCO).
DESCRIPTION
The BB181 is a variable capacitance diode, fabricated in planar technology and
encapsulated in the SOD523 (SC-79) ultra small plastic SMD package.
MARKING CODE:N
1
CATHODE
2
ANODE
2
BB 181
1
SOD523 SC-79
N
UNIT
V
mA
擄C
擄C
MAX.
10
200
3
17
1.055
16
UNIT
nA
nA
鈩?/div>
pF
pF
1
2
LIMITING VALUESIn
accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
V
R
I
F
T
stg
T
j
PARAMETER
continuous reverse voltage
continuous forward current
storage temperature
operating junction temperature
MIN.
鈥?/div>
鈥?/div>
鈥?55
鈥?55
MAX.
30
20
+150
+150
ELECTRICAL CHARACTERISTICS
T
j
=25擄C unless otherwise specified.
SYMBOL
I
R
r
s
C
d
C
d(0.5V)
C
d(28V )
PARAMETER
reverse current
diode series resistance
diode capacitance
CONDITIONS
V
R
= 30 V; see Fig.2
V
R
=30 V; Tj =85擄C; see Fig.2
f = 470 MHz; note 1
MIN.
鈥?/div>
鈥?/div>
鈥?/div>
V
R
= 0.5 V; f = 1 MHz; see Figs 1 and 3 8
V
R
= 28 V; f = 1 MHz; see Figs 1 and 3 0.7
f = 1 MHz
12
capacitance ratio
Note
1. V
R
is the value at which Cd = 9 pF.
BB181鈥?/2
BB181相關(guān)型號PDF文件下載
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