English
Language : 

BB179LX_2015 Datasheet, PDF (2/7 Pages) Quanzhou Jinmei Electronic Co.,Ltd. – UHF variable capacitance diode
Philips Semiconductors
BB179LX
UHF variable capacitance diode
4. Marking
Table 3. Marking
Type number
BB179LX
Marking code
L4
5. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
Min
Max
Unit
VR
reverse voltage
IF
forward current
Tstg
storage temperature
Tj
junction temperature
-
30
V
-
20
mA
−55
+150
°C
−55
+125
°C
6. Characteristics
Table 5. Characteristics
Tj = 25 °C unless otherwise specified.
Symbol Parameter
IR
reverse current
rs
diode series resistance
Cd
diode capacitance
CC-----dd---((--12--VV----))
C--C---d-d--(-(-2-1-8-V--V--)-)
C-----d---(--2--5---V---)
Cd (28V )
∆---C--C--d--d-
diode capacitance ratio
diode capacitance ratio
diode capacitance ratio
diode capacitance
matching
Conditions
see Figure 3
VR = 30 V
VR = 30 V; Tj = 85 °C
f = 470 MHz; Cd = 30 pF; see Figure 2
see Figure 1 and Figure 4; f = 1 MHz;
VR = 1 V
VR = 28 V
f = 1 MHz
f = 1 MHz
f = 1 MHz
VR = 1 V to 28 V; in sequence of 5
diodes (gliding)
Min Typ Max Unit
-
-
10
nA
-
-
200 nA
-
0.65 -
Ω
18.2 -
21.3 pF
1.95 2.1
2.22 pF
-
1.27 -
8.45 9
10.9
-
1.05 -
-
-
2
%
BB179LX_1
Preliminary data sheet
Rev. 01 — 13 April 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
2 of 7