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參數(shù)資料
| 型號： | BB179 |
| 廠商： | 樂山無線電股份有限公司 |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | UHF variable capacitance diode |
| 中文描述： | 超高頻變?nèi)荻O管 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 140K |
| 代理商： | BB179 |
LESHAN RADIO COMPANY, LTD.
BB179–1/2
UHF variable capacitance diode
SOD523 SC-79
1
2
BB 179
2
ANODE
1
CATHODE
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
R
V
RM
I
F
T
stg
T
j
continuous reverse voltage
peak reverse voltage
continuous forward current
storage temperature
operating junction temperature
–
–
–
30
35
20
V
V
in series with a 10 k
resistor
mA
°C
°C
–55
–55
+150
+125
ELECTRICAL CHARACTERISTICS
T
j
=25°C unless otherwise specified.
SYMBOL
I
R
PARAMETER
reverse current
CONDITIONS
V
R
= 30 V; see Fig.2
V
R
= 30 V; T
j
=85°C; see Fig.2
f = 470 MHz;
V
R
is the value at which Cd =9 pF
V
R
= 1 V; f = 1 MHz; see Figs 1and 3
V
R
= 28 V; f = 1 MHz; see Figs 1and 3
MIN.
–
–
MAX.
–
–
TYP.
10
200
UNIT
nA
nA
r
s
diode series resistance
–
0.6
0.75
C
d
diode capacitance
18.22
1.951
–
–
21.26
2.225
pF
pF
C
d(1V)
C
d(2V)
C
d(1V)
C
d(28V)
C
d(25V)
C
d(28V)
C
d
C
d
capacitance ratio
f = 1 MHz
–
1.27
–
capacitance ratio
f = 1 MHz
8.45
–
10.9
capacitance ratio
f = 1 MHz
–
1.05
–
capacitance matching
V
R
= 1 to 28 V; in a sequence of 15
diodes(gliding)
–
–
2
%
FEATURES
· Excellent linearity
· Excellent matching to 2% DMA
· Ultra small plastic SMD package
· C28: 2.1 pF; ratio: 9
· Low series resistance.
APPLICATIONS
· Electronic tuning in UHF television tuners
· Voltage controlled oscillators
DESCRIPTION
The BB179 is a planar technology variable capacitance diode, in a SOD523 (SC-79)
package. The excellent matching performance is achieved by gliding matching and a
direct matching assembly procedure.
MARKING CODE:
9
9
1
2
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PDF描述 |
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| BB179 | UHF variable capacitance diode |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BB179 /T3 | 功能描述:整流器 TAPE13 DIO-RFSS RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel |
| BB179,115 | 功能描述:變?nèi)荻O管 UHF VAR CAP 30V RoHS:否 制造商:Skyworks Solutions, Inc. 電容:5.2 pF 反向電壓:10 V 正向連續(xù)電流:20 mA 端接類型:SMD/SMT 封裝 / 箱體:SC-79 封裝:Reel |
| BB179,135 | 功能描述:變?nèi)荻O管 TAPE13 DIO-RFSS RoHS:否 制造商:Skyworks Solutions, Inc. 電容:5.2 pF 反向電壓:10 V 正向連續(xù)電流:20 mA 端接類型:SMD/SMT 封裝 / 箱體:SC-79 封裝:Reel |
| BB179,315 | 功能描述:變?nèi)荻O管 UHF 30V 21.26pF Variable Cap RoHS:否 制造商:Skyworks Solutions, Inc. 電容:5.2 pF 反向電壓:10 V 正向連續(xù)電流:20 mA 端接類型:SMD/SMT 封裝 / 箱體:SC-79 封裝:Reel |
| BB179,335 | 功能描述:變?nèi)荻O管 UHF 30V 21.26pF Variable Cap RoHS:否 制造商:Skyworks Solutions, Inc. 電容:5.2 pF 反向電壓:10 V 正向連續(xù)電流:20 mA 端接類型:SMD/SMT 封裝 / 箱體:SC-79 封裝:Reel |
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