LRC BB141 Datasheet
LESHAN RADIO COMPANY, LTD.
Low-voltage variable capacitance diode
BB 141
FEATURES
· Excellent linearity
· Ultra small plastic SMD package
· C4: 2.38 pF; ratio: 1.76
· Low series resistance.
APPLICATIONS
· Voltage controlled oscillators (VCO).
1
CATHODE
DESCRIPTION
The BB141 is a variable capacitance
diode, fabricated in planar
technology, and encapsulated in the
SOD523 (SC-79) ultra small plastic
SMD package.
2
ANODE
2
SOD523 SC-79
MARKING CODE:H
1
LIMITING V ALUES In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
V
I
T
T
R
RM
F
stg
j
continuous reverse voltage – 6 V
peak reverse voltage in series with a 10 kΩ resistor – 8 V
continuous forward current – 20 mA
storage temperature –55 +150 °C
operating junction temperature –55 +150 °C
H
1
2
ELECTRICAL CHARACTERISTICS T
=25°C unless otherwise specified.
j
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
r
C
R
s
d
reverse current V R = 6 V; see Fig.2 – – 10 nA
V
=6 V; T j =85°C; see Fig.2 – – 200 n A
R
diode series resistance f = 470 MHz; V R =1 V – 0.4 – Ω
diode capacitance V R = 1 V; f = 1 MHz; 3.9 4.2 4.5 pF
see Figs 1 and 3
V R = 4 V; f = 1 MHz; 2.22 2.38 2.55 pF
see Figs 1 and 3
C
C
d ( 1V)
d ( 4V)
capacitance ratio f = 1 MH z 1.65 1.76 –
BB141–1/2
10
( pF )
C b
LESHAN RADIO COMPANY, LTD.
BB 141
8
6
4
2
0
–1
10
110
V R ( V )
Fig.1 Diode capacitance as a function of reverse voltage; typical values.
3
10
(nA)
R
2
I
10
10
0 50 100
T j ( °C )
Fig.2 Reverse current as a function of junction
temperature; maximum values.
-3
10
)
-1
( K
d
TC
-4
10
–1
10
Fig.3 Temperature coefficient of diode capacitance as a function of
reverse voltage; typical values.
110
V R ( V )
BB141–2/2
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