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BB145B Datasheet(PDF) 1 Page - Leshan Radio Company

Part # BB145B
Description  Low-voltage variable capacitance diode?
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Manufacturer  LRC [Leshan Radio Company]
Direct Link  http://www.lrc.cn/
Logo LRC - Leshan Radio Company

BB145B Datasheet(HTML) 1 Page - Leshan Radio Company

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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
continuous reverse voltage
6
V
V RM
peak reverse voltage
in series with a 10 k
Ω resistor
8
V
I F
continuous forward current
20
mA
T stg
storage temperature
–55
+150
°C
T j
operating junction temperature
–55
+150
°C
ELECTRICAL CHARACTERISTICS T j =25°C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
I R
reverse current
V R = 6 V; see Fig.2
10
nA
V R =6 V; T j =85°C; see Fig.2
200
nA
r s
diode series resistance
f = 470 MHz; V R =1 V
0.6
C d
diode capacitance
V R = 1 V; f = 1 MHz;
6.4
7.2
pF
see Figs 1 and 3
V R = 4 V; f = 1 MHz;
2.55
2.95
pF
see Figs 1 and 3
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
1
2


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