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BB187 Datasheet, PDF (2/8 Pages) NXP Semiconductors – VHF variable capacitance diode | |||
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Philips Semiconductors
Product speciï¬cation
VHF variable capacitance diode
BB187
FEATURES
⢠High linearity
⢠Excellent matching to 2% DMA
⢠Ultra small plastic SMD package
⢠C25: 2.75 pF; ratio: 12
⢠Low series resistance.
DESCRIPTION
The BB187 is a planar technology
variable capacitance diode in a
SOD523 (SC-79) package. The
excellent matching performance is
handboo1k, 2 columns
2
achieved by gliding matching and a
direct matching assembly procedure.
MBK441
APPLICATIONS
⢠Electronic tuning in VHF television
tuners
⢠Voltage controlled oscillators
(VCO).
PINNING
PIN
DESCRIPTION
1
cathode
2
anode
Marking code: X.
Orientation of marking code as shown.
Cathode side indicated by a bar.
Fig.1 Simplified outline
(SOD523; SC-79) and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
VR
continuous reverse voltage
VRM
peak reverse voltage
in series with a 10 k⦠resistor
IF
continuous forward current
Tstg
storage temperature
Tj
operating junction temperature
MIN.
â
â
â
â55
â55
MAX.
32
35
20
+150
+150
UNIT
V
V
mA
°C
°C
ELECTRICAL CHARACTERISTICS
Tj = 25 °C unless otherwise speciï¬ed.
SYMBOL
PARAMETER
IR
reverse current
rs
diode series resistance
Cd
diode capacitance
C--C---d-d--(-(-2-2-5--V-V--)-)
â--C--C---d--d-
capacitance ratio
capacitance matching
CONDITIONS
MIN.
VR = 30 V; see Fig.3
â
VR = 30 V; Tj = 85 °C; see Fig.3
â
f = 470 MHz; VR = 5 V
â
VR = 2 V; f = 1 MHz; see Figs 2 and 4 29.3
VR = 25 V; f = 1 MHz; see Figs 2 and 4 2.57
f = 1 MHz
11
TYP.
â
â
â
â
â
â
MAX.
10
200
0.75
34.2
2.92
â
UNIT
nA
nA
â¦
pF
pF
VR = 2 to 25 V; in a sequence of 15 â
â
2
%
diodes (gliding)
1999 Oct 19
2
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