參數(shù)資料
型號: BB145B
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: Low-voltage variable capacitance diode
中文描述: 低電壓變?nèi)荻O管
文件頁數(shù): 1/2頁
文件大?。?/td> 140K
代理商: BB145B
LESHAN RADIO COMPANY, LTD.
BB145B–1/2
Low-voltage variable capacitance diode
SOD523 SC-79
1
2
BB 145B
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
6
8
V
V
in series with a 10 k
resistor
20
mA
°C
°C
–55
–55
+150
+150
ELECTRICAL CHARACTERISTICS
T
j
=25°C unless otherwise specified.
SYMBOL
I
R
PARAMETER
reverse current
CONDITIONS
V
R
= 6 V; see Fig.2
V
R
=6 V; T
j
=85°C; see Fig.2
f = 470 MHz; V
R
=1 V
V
R
= 1 V; f = 1 MHz;
see Figs 1 and 3
V
R
= 4 V; f = 1 MHz;
see Figs 1 and 3
MIN.
6.4
MAX.
10
200
0.6
7.2
UNIT
nA
nA
pF
r
s
C
d
diode series resistance
diode capacitance
2.55
2.95
pF
C
d ( 1V)
C
d ( 4V)
capacitance ratio
f = 1 MHz
2.2
FEATURES
· Ultra small plastic SMD package
· C4: 2.75 pF; ratio: 2.4
· Low series resistance.
APPLICATIONS
· Voltage controlled oscillators (VCO).
DESCRIPTION
The BB145B is a planar technology variable capacitance diode in a SOD523 (SC-79)
package.
MARKING CODE:Z
Z
1
2
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