BB181 Datasheet, PDF (1/2 Pages) NXP Semiconductors – VHF variable capacitance diode

LESHAN RADIO COMPANY, LTD.
VHF variable capacitance diode
FEATURES
· Excellent linearity
· Ultra small plastic SMD package
· C28: 1 pF; ratio: 14.
APPLICATIONS
· Electronic tuning in satellite tuners
· Tuneable coupling
· 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.
1
CATHODE
2
ANODE
BB 181
1
2
SOD523 SC-79
MARKING CODE:N
1
2
LIMITING VALUESIn accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
VR
IF
T stg
Tj
PARAMETER
continuous reverse voltage
continuous forward current
storage temperature
operating junction temperature
MIN.
–
–
– 55
– 55
MAX.
30
20
+150
+150
ELECTRICAL CHARACTERISTICS T j =25°C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
IR
reverse current
V R = 30 V; see Fig.2
–
V R =30 V; Tj =85°C; see Fig.2
–
rs
diode series resistance f = 470 MHz; note 1
–
Cd
diode capacitance
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
C d(0.5V)
C d(28V )
capacitance ratio
f = 1 MHz
12
Note
1. V R is the value at which Cd = 9 pF.
UNIT
V
mA
°C
°C
MAX.
10
200
3
17
1.055
16
UNIT
nA
nA
Ω
pF
pF
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