LESHAN RADIO COMPANY, LTD.
Low-voltage variable capacitance diode
BB 142
FEATURES
· Excellent linearity
· Ultra small plastic SMD package
· C4: 2.05 pF; ratio: 2.2
· Low series resistance.
APPLICATIONS
· Voltage controlled oscillators (VCO).
DESCRIPTION
The BB142 is a variable capacitance
diode, fabricated in planar
technology, and encapsulated in the
SOD523 (SC-79) ultra small plastic
SMD package.
2
1
SOD523 SC-79
1
CATHODE
2
ANODE
MARKING CODE:K
K
MAX.
6
8
20
+150
+150
UNIT
V
V
mA
°C
°C
MAX.
10
200
–
4.9
2.35
–
UNIT
nA
nA
Ω
pF
pF
1
2
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
V
R
V
RM
I
F
T
stg
T
j
PARAMETER
continuous reverse voltage
peak reverse voltage
continuous forward current
storage temperature
operating junction temperature
in series with a 10 kΩ resistor
CONDITIONS
MIN.
–
–
–
–55
–55
ELECTRICAL CHARACTERISTICS
T
j
=25°C unless otherwise specified.
SYMBOL
I
R
r
s
C
d
PARAMETER
reverse current
diode series resistance
diode capacitance
CONDITIONS
V
R
= 6 V; see Fig.2
V
R
=6 V; T
j
=85°C; see Fig.2
f = 470 MHz; V
R
=1 V
V
R
= 1 V; f = 1 MHz;
see Figs 1 and 3
V
R
= 4 V; f = 1 MHz;
see Figs 1 and 3
C
d ( 1V)
C
d ( 4V)
capacitance ratio
f = 1 MHz
MIN.
–
–
–
4
1.85
2
TYP.
–
–
0.5
4.6
2.05
2.2
BB142–1/2
LRC [ LESHAN RADIO COMPANY ]
