JMNIC BB181 Vhf variable capacitance diode Datasheet

DISCRETE SEMICONDUCTORS
DATA SHEET
M3D319
BB181
VHF variable capacitance diode
Product specification
1998 Nov 26
Philips Semiconductors
Product specification
FEATURES
DESCRIPTION
• Excellent linearity
The BB181 is a variable capacitance
diode, fabricated in planar technology
and encapsulated in the SOD523
(SC-79) ultra small plastic SMD
package.
• Ultra small plastic SMD package
• C28: 1 pF; ratio: 14.
APPLICATIONS
• Electronic tuning in satellite tuners
PIN
• Voltage controlled oscillators
(VCO).
handbook,
1 2 columns
2
MBK441
Marking code: N.
Orientation of marking code as shown.
Cathode side indicated by a bar.
PINNING
• Tuneable coupling
BB181
N
VHF variable capacitance diode
DESCRIPTION
1
cathode
2
anode
Fig.1 Simplified outline
(SOD523; SC-79) and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VR
continuous reverse voltage
−
30
V
IF
continuous forward current
−
20
mA
Tstg
storage temperature
−55
+150
°C
Tj
operating junction temperature
−55
+150
°C
ELECTRICAL CHARACTERISTICS
Tj = 25 °C unless otherwise specified.
SYMBOL
IR
PARAMETER
reverse current
CONDITIONS
MIN.
MAX.
UNIT
VR = 30 V; see Fig.3
−
10
nA
VR = 30 V; Tj = 85 °C; see Fig.3
−
200
nA
rs
diode series resistance
f = 470 MHz; note 1
−
3
Ω
Cd
diode capacitance
VR = 0.5 V; f = 1 MHz; see Figs 2 and 4
8
17
pF
VR = 28 V; f = 1 MHz; see Figs 2 and 4
0.7
1.055
pF
C d ( 0.5V )
---------------------C d ( 28V )
capacitance ratio
f = 1 MHz
12
16
Note
1. VR is the value at which Cd = 9 pF.
1998 Nov 26
2
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB181
GRAPHICAL DATA
MBE872
15
handbook, full pagewidth
Cd
(pF)
10
5
0
10 −1
1
10
10 2
VR (V)
f = 1 MHz; Tj = 25 °C.
Fig.2 Diode capacitance as a function of reverse voltage; typical values.
MLC816
10 3
handbook, halfpage
TC d
(K−1)
IR
(nA)
10 4
102
10
MLC815
10 3
handbook, halfpage
0
50
o
T j ( C)
10 5
10 1
100
1
10
VR (V)
Tj = 0 to 85 °C.
Fig.4
Fig.3
1998 Nov 26
Reverse current as a function of junction
temperature; maximum values.
3
Temperature coefficient of diode
capacitance as a function of
reverse voltage; typical values.
102
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB181
PACKAGE OUTLINE
Plastic surface mounted package; 2 leads
SOD523
A
c
v M A
HE
A
D
1
E
0
2
(1)
IEC
SOD523
1 mm
DIMENSIONS (mm are the original dimensions)
bp
OUTLINE
VERSION
0.5
scale
UNIT
A
bp
c
D
E
HE
v
mm
0.7
0.5
0.35
0.25
0.2
0.1
1.3
1.1
0.9
0.7
1.7
1.5
0.15
Note
1. The marking band indicates the cathode.
REFERENCES
JEDEC
EIAJ
EUROPEAN
PROJECTION
SC-79
ISSUE DATE
98-04-28
DEFINITIONS
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1998 Nov 26
4
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB181
NOTES
1998 Nov 26
5
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB181
NOTES
1998 Nov 26
6
Philips Semiconductors
Product specification
VHF variable capacitance diode
BB181
NOTES
1998 Nov 26
7
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SCA60
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Date of release: 1998 Nov 26
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