BB174 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 25 March 2013 2 of 8
NXP Semiconductors
BB174
VHF variable capacitance diode
4. Marking
5. Limiting values
6. Characteristics
[1] See Figure 2.
[2] See Figure 1
and Figure 3.
Table 3. Marking
Type number Marking code
BB174 CF
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
R
reverse voltage - 30 V
peak value in series with a 10 k resistor - 35 V
I
F
forward current - 20 mA
T
stg
storage temperature 55 +150 C
T
j
junction temperature 55 +125 C
Table 5. Characteristics
T
j
= 25
C unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
I
R
reverse current V
R
=30V
[1]
--10nA
V
R
=30V; T
j
=85C
[1]
--200nA
r
s
diode series resistance f = 470 MHz; C
d
= 9 pF - 0.6 0.75
C
d
diode capacitance f = 1 MHz
[2]
V
R
= 1 V 18.22 - 21.26 pF
V
R
= 28 V 1.951 2.1 2.225 pF
C
d(1V)
/C
d(2V)
diode capacitance ratio
(1Vto2V)
f=1MHz - 1.27 -
C
d(1V)
/C
d(28V)
diode capacitance ratio
(1Vto28V)
f = 1 MHz 8.45 9 10.9
C
d(25V)
/C
d(28V)
diode capacitance ratio
(25 V to 28 V)
f=1MHz - 1.05 -
