Philips bby31 DATASHEETS
DISCRETE SEMICONDUCTORS
DATA SH EET
fpage
M3D088
BBY31
UHF variable capacitance diode
Product specification
Supersedes data of November 1993
1996 May 03
Philips Semiconductors Product specification
UHF variable capacitance diode BBY31
FEATURES
• Excellent linearity
• Small plastic SMD package
• C28: 1.9 pF; ratio: 8.3.
handbook, halfpage
21
APPLICATIONS
• Electronic tuning in UHF television
tuners
• VCO.
3
2
n.c.
1
3
MAM170
DESCRIPTION
The BBY31 is a variable capacitance
Marking code: S1.
diode, fabricated in planar
technology, and encapsulated in the
Fig.1 Simplified outline (SOT23), pin configuration and symbol.
SOT23 small plastic SMD package.
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
continuous forward current −
storage temperature
operating junction temperature
−
−55
−55
30 V
20 mA
+150 °C
+125 °C
ELECTRICAL CHARACTERISTICS
=25°C; unless otherwise specified.
T
j
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
R
r
s
C
d
C
d1V()
-------------------C
d28V()
reverse current VR= 28 V; see Fig.3 −−
V
= 28 V; Tj=85°C; see Fig.3 −−
R
10
200
diode series resistance f = 470 MHz; note 1 −−1.2 Ω
diode capacitance VR= 1 V; f = 1 MHz; see Figs 2 and 4 − 16.5 −
= 28 V; f = 1 MHz; see Figs 2 and 4 1.6 − 2
V
R
capacitance ratio f = 1 MHz − 8.3 −
nA
nA
pF
pF
Note
is the value at which Cd= 9 pF.
1. V
R
1996 May 03 2
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