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參數(shù)資料
| 型號(hào)： | BB142 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | Low-voltage variable capacitance diode |
| 中文描述： | 4.6 pF, SILICON, VARIABLE CAPACITANCE DIODE |
| 封裝： | PLASTIC, SC-79, 2 PIN |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 44K |
| 代理商： | BB142 |
1999 May 12
2
Philips Semiconductors
Preliminary specification
Low-voltage variable capacitance diode
BB142
FEATURES
Excellent linearity
Ultra small plastic SMD package
C4: 2.05 pF; ratio: 2.2
Low series resistance.
APPLICATIONS
Voltage controlled oscillators (VCO).
DESCRIPTION
The BB142 is a variable capacitance diode, fabricated in
planar technology, and encapsulated in the
SOD523 (SC-79) ultra small plastic SMD package.
PINNING
PIN
DESCRIPTION
1
2
cathode
anode
Fig.1
Simplified outline (SOD523; SC-79)
and symbol.
Marking code:
K.
Orientation of marking code as shown.
Cathode side indicated by a bar.
handbook, halfpage
1
2
MBL026
K
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
ELECTRICAL CHARACTERISTICS
T
j
= 25
°
C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
R
V
RM
I
F
T
stg
T
j
continuous reverse voltage
55
55
6
V
peak reverse voltage
in series with a 10 k
resistor
8
V
continuous forward current
storage temperature
20
mA
°
C
°
C
+150
operating junction temperature
+150
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
I
R
reverse current
V
R
= 6 V; see Fig.3
V
R
= 6 V; T
j
= 85
°
C; see Fig.3
f = 470 MHz; V
R
= 1 V
V
R
= 1 V; f = 1 MHz;
see Figs 2 and 4
V
R
= 4 V; f = 1 MHz;
see Figs 2 and 4
f = 1 MHz
4
0.5
4.6
10
nA
200
4.9
nA
pF
r
s
C
d
diode series resistance
diode capacitance
1.85
2.05
2.35
pF
capacitance ratio
2
2.2
C
C
d 4V
)
)
-----------------
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| BB1442NR | 功能描述:159MHz Whip, Straight RF Antenna 144MHz ~ 174MHz 2dBi Connector, NMO Base Mount 制造商:laird technologies ias 系列:- 包裝:散裝 零件狀態(tài):有效 頻率組:VHF（f < 300 MHz） 頻率（中心/帶）:159MHz 頻率范圍:144MHz ~ 174MHz 天線類型:鞭狀，直形 頻帶數(shù):1 VSWR:- 回波損耗:- 增益:2dBi 功率 - 最大值:- 特性:- 端接:連接器，NMO 侵入防護(hù):IP67 安裝類型:基座 高度（最大值）:- 應(yīng)用:- 標(biāo)準(zhǔn)包裝:1 |
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