Philips BB156 Datasheet
DISCRETE SEMICONDUCTORS
DATA SH EET
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M3D049
BB156
Low-voltage variable capacitance
diode
Product specification
1998 Aug 17
Philips Semiconductors Product specification
Low-voltage variable capacitance diode BB156
FEATURES
• Excellent linearity
• Very small plastic SMD package
• C7.5: 4.8 pF; ratio 3.3
• Very low series resistance.
APPLICATIONS
handbook, 2 columns
12
MAM392
• Voltage controlled oscillators
(VCO).
DESCRIPTION
Marking code: PF.
Cathode side indicated by a bar.
Fig.1 Simplified outline (SOD323) and symbol.
The BB156 is a planar technology
variable capacitance diode, in a
SOD323 very small plastic SMD
package.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER MIN. MAX. UNIT
PINNING
PIN DESCRIPTION
1 cathode
2 anode
V
R
I
F
T
stg
T
j
continuous reverse voltage
continuous forward current −
storage temperature
operating junction temperature
−
−55
−55
10 V
20 mA
+150 °C
+125 °C
ELECTRICAL CHARACTERISTICS
T
=25°C unless otherwise specified.
j
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
R
r
s
C
d
C
d1V()
--------------------- C
d 7.5V()
reverse current VR= 10 V; see Fig.3 −−
= 10 V; Tj=85°C; see Fig.3 −−
V
R
10
200
diode series resistance f = 470 MHz; VR is the value at which Cd=9pF − 0.4 0.7 Ω
diode capacitance f = 1 MHz; see Figs 2 and 4
V
= 1 V 14.4 16 17.6 pF
R
V
= 4 V 7.6 8.6 9.6 pF
R
= 7.5 V 4.2 4.8 5.4 pF
V
R
capacitance ratio f = 1 MHz 2.7 3.3 3.9
nA
nA
1998 Aug 17 2
Philips Semiconductors Product specification
Low-voltage variable capacitance diode BB156
GRAPHICAL DATA
20
handbook, full pagewidth
C
d
(pF)
16
12
8
4
0
−1
10
f =1 MHz; Tj=25°C.
101
VR (V)
Fig.2 Diode capacitance as a function of reverse voltage; typical values.
MGR466
2
10
o
T ( C)
j
MLC816
3
10
handbook, halfpage
I
R
(nA)
2
10
10
50
Fig.3 Reverse current as a function of junction
temperature; maximum values.
V (V)
R
MBH583
2
3
10
handbook, halfpage
TC
d
(K−1)
4
10
5
10
1000
Tj= 0to 85 °C.
1
10
11010
Fig.4 Temperature coefficient of diode
capacitance as a function of
reverse voltage; typical values.
1998 Aug 17 3
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