BB204B [NXP]
VHF variable capacitance double diodes; 甚高频变容二极管双
| 型号： | BB204B |
| 厂家： | 
NXP |
| 描述： | VHF variable capacitance double diodes |
| 文件： | 总5页 (文件大小：34K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DISCRETE SEMICONDUCTORS
DATA SHEET
lfpage
BB204B; BB204G
VHF variable capacitance double
diodes
1996 May 03
Product specification
Supersedes data of April 1992
File under Discrete Semiconductors, SC01
Philips Semiconductors
Product specification
VHF variable capacitance double diodes
BB204B; BB204G
FEATURES
PINNING
• Selected capacitance ranges
• Leaded plastic package
• C30: 14 pF; ratio: 2.6.
PIN
DESCRIPTION
1
2
3
anode (a1)
common cathode
anode (a2)
APPLICATIONS
• Electronic tuning in FM radio
applications
• VCO.
handbook, halfpage
1
2
3
1
3
DESCRIPTION
The BB204B, BB204G are variable
capacitance double diodes with
common cathodes, fabricated in
planar technology, and encapsulated
in TO-92 variant leaded plastic
packages.
MAM223
2
Fig.1 Simplified outline (TO-92 variant) and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER
Per diode
MIN.
MAX.
UNIT
VR
IF
continuous reverse voltage
30
V
−
−
100
mA
°C
continuous forward current
storage temperature
Tstg
Tj
+100
+100
−55
−55
operating junction temperature
°C
1996 May 03
2
Philips Semiconductors
Product specification
VHF variable capacitance double diodes
BB204B; BB204G
ELECTRICAL CHARACTERISTICS
Tj = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Per diode
IR
reverse current
VR = 30 V; see Fig.3
−
−
−
−
nA
nA
Ω
50
VR = 30 V; Tj = 85 °C; see Fig.3
f = 100 MHz; note 1
see Figs 2 and 4
−
300
0.4
rs
diode series resistance
diode capacitance
BB204B
0.2
Cd
VR = 3 V; f = 1 MHz
VR = 8 V; f = 1 MHz
VR = 30 V; f = 1 MHz
VR = 3 V; f = 1 MHz
VR = 8 V; f = 1 MHz
VR = 30 V; f = 1 MHz
f = 1 MHz
−
42
29
−
37
24
−
pF
pF
pF
pF
pF
pF
−
14
−
BB204G
39
27
−
34
22
−
−
14
−
capacitance ratio
2.5
2.8
Cd (3V)
--------------------
Cd (30V)
Note
1. VR is the value at which Cd = 38 pF.
1996 May 03
3
Philips Semiconductors
Product specification
VHF variable capacitance double diodes
BB204B; BB204G
GRAPHICAL DATA
MGC813
75
C
d
(pF)
50
25
0
10
−1
2
1
10
10
V
(V)
R
f = 1 MHz.
Fig.2 Diode capacitance as a function of reverse voltage; typical values.
MLC815
MGC809
3
10
3
10
handbook, halfpage
handbook, halfpage
I
TC
d
R
(nA)
−1
(K
)
4
2
10
10
5
10
10
0
1
2
10
1
10
10
20
40
60
80
100
V
(V)
o
R
T ( C)
j
Fig.4 Temperature coefficient of diode
Fig.3 Reverse current as a function of junction
temperature; maximum values.
capacitance as a function of reverse
voltage; typical values.
1996 May 03
4
Philips Semiconductors
Product specification
VHF variable capacitance double diodes
BB204B; BB204G
PACKAGE OUTLINE
n
0.40
min
4.2 max
1.7
1.4
5.2 max
12.7 min
0.48
0.40
1
4.8
max
2.54
2
3
0.66
0.56
(1)
MBC014 - 1
2.0 max
Dimensions in mm.
(1) Terminal dimensions within this zone are uncontrolled to allow for flow of plastic and terminal irregularities.
Fig.5 TO-92 variant.
DEFINITIONS
Data sheet status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
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.
1996 May 03
5
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