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BB178LX_2015 Datasheet(PDF) 2 Page - Quanzhou Jinmei Electronic Co.,Ltd.

Part No. BB178LX_2015
Description  UHF variable capacitance diode
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Maker  JMNIC [Quanzhou Jinmei Electronic Co.,Ltd.]
Homepage  http://www.jmnic.com
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BB178LX_2015 Datasheet(HTML) 2 Page - Quanzhou Jinmei Electronic Co.,Ltd.

   
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BB178LX_1
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Preliminary data sheet
Rev. 01 — 14 April 2006
2 of 7
Philips Semiconductors
BB178LX
UHF variable capacitance diode
4.
Marking
5.
Limiting values
6.
Characteristics
Table 3.
Marking
Type number
Marking code
BB178LX
L3
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
VR
reverse voltage
-
32
V
IF
forward current
-
20
mA
Tstg
storage temperature
−55
+150
°C
Tj
junction temperature
−55
+125
°C
Table 5.
Characteristics
Tj = 25 °C unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IR
reverse current
see Figure 3
VR =30V
-
-
10
nA
VR =30V; Tj =85 °C
-
-
200
nA
rs
diode series resistance
f = 470 MHz; Cd = 30 pF; see Figure 2
-
0.7
-
Cd
diode capacitance
see Figure 1 and Figure 4; f = 1 MHz;
VR = 1 V
34.65
-
42.35
pF
VR = 28 V
2.36
2.6
2.75
pF
diode capacitance ratio
f = 1 MHz
-
1.3
-
diode capacitance ratio
f = 1 MHz
13.5
15
-
diode capacitance ratio
f = 1 MHz
-
1.08
-
diode capacitance
matching
VR = 1 V to 28 V; in sequence of 5
diodes (gliding)
--2
%
C
d1V
()
C
d2V
()
----------------
C
d1V
()
C
d28V
()
-------------------
C
d25V
()
C
d28V
()
-------------------
∆C
d
C
d
----------


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