BB178LX Datasheet, PDF (3/7 Pages) NXP Semiconductors – UHF variable capacitance diode

NXP Semiconductors
BB178LX
VHF variable capacitance diode
60
C_d
(pF)
40
20
001aae539
0.8
r_s
(Ω)
0.6
0.4
0.2
001aae540
0
10^−1
1
10
10²
V_R (V)
Fig 1.
f = 1 MHz; T_j = 25 °C.
Diode capacitance as a function of reverse
voltage; typical values
10³
I_R
(nA)
10²
001aae541
0
10^−1
1
10
10²
V_R (V)
Fig 2.
f = 100 MHz; T_j = 25 °C.
Diode series resistance as a function of
reverse voltage; typical values
10^−2
TC_Cd
(K^−1)
10^−3
001aag774
10
10^−4
1
0
20
40
60
80
100
T_j (°C)
Fig 3. Reverse current as a function of junction
temperature; maximum values
10^−5
10^−1
1
10
10²
V_R (V)
Fig 4.
T_j = 0 °C to 85 °C.
Temperature coefficient of diode capacitance
as a function of reverse voltage; typical values
BB178LX_2
Product data sheet
Rev. 02 — 12 February 2009
© NXP B.V. 2009. All rights reserved.
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