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BB178 Datasheet, PDF (2/2 Pages) NXP Semiconductors – VHF variable capacitance diode
BB178
Preliminary
DIODE
„ ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Continuous Reverse Voltage
VR
32
V
Peak Reverse Voltage In series with a 10 kΩ resistor
VRM
35
V
Continuous Forward Current
IF
20
mA
Storage Temperature
TSTG
-40~+150
°C
Operating Junction Temperature
TJ
-40~+125
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
„ ELECTRICAL CHARACTERISTICS (TJ =25°C unless otherwise specified.)
PARAMETER
Reverse Current
Diode Series Resistance
Diode Capacitance
Capacitance Ratio
Capacitance Ratio
Capacitance Ratio
Capacitance Matching
SYMBOL
IR
rS
Cd
Cd(1V)
Cd(2V)
Cd(1V)
Cd(28V)
Cd(25V)
Cd(28V)
ΔC d
Cd
TEST CONDITIONS
MIN
VR = 30 V
VR = 30 V, TJ=85 °C
f = 100 MHz, VR is the value at
which Cd=30pF
VR = 1 V, f = 1 MHz
34.65
VR = 28 V, f = 1 MHz
2.361
TYP
0.65
MAX UNIT
10 nA
200 nA
0.8 Ω
42.35 pF
2.754 pF
f = 1 MHz
1.3
f = 1 MHz
13.5
f = 1 MHz
VR = 1~28 V, in a sequence of
15 diodes (gliding)
1.08
2%
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R601-032.a