BB145C Ver la hoja de datos (PDF) - Philips Electronics
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BB145C Datasheet PDF : 8 Pages
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Philips Semiconductors
Low-voltage variable capacitance diode
Preliminary specification
BB145C
FEATURES
• Ultra small plastic SMD package
• Very low capacitance spread
• High capacitance ratio
• C1 to C4 ratio: min. 2.39, max. 2.53.
APPLICATIONS
Voltage Controlled Oscillators (VCO).
DESCRIPTION
The BB145C is a variable capacitance diode, fabricated in
planar technology and encapsulated in the SOD523 ultra
small plastic SMD package.
PINNING
PIN
1
cathode
2
anode
DESCRIPTION
handboo1k, 2 columns
2
MBK441
MARKING
TYPE NUMBER
BB145C
MARKING CODE
K3
Cathode side indicated by a bar.
Fig.1 Simplified outline (SOD523) and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
VR
VRM
IF
Tstg
Tj
PARAMETER
continuous reverse voltage
peak reverse voltage
continuous forward current
storage temperature
operating junction temperature
CONDITIONS
in series with a 10 kΩ resistor
MIN.
−
−
−
−55
−55
MAX.
10
12
20
+150
+150
UNIT
V
V
mA
°C
°C
CHARACTERISTICS
Tj = 25 °C unless otherwise specified
SYMBOL
PARAMETER
IR
reverse current
rs
diode series resistance
Cd
diode capacitance
CC-----dd---((--14---VV---))
capacitance ratio
CONDITIONS
VR = 15 V; see Fig.3
VR = 15 V; Tj = 85 °C
VR = 1 V; f = 470 MHz
VR = 1 V; f = 1 MHz
VR = 4 V; f = 1 MHz
f = 1 MHz
MIN.
−
−
−
6.4
2.55
2.39
MAX.
3
30
0.6
7.2
2.85
2.53
UNIT
nA
nA
Ω
pF
pF
2001 Dec 11
2
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