BB178G-CC2-R [UTC]
VHF VARIABLE CAPACITANCE DIODE; 甚高频可变电容二极管
| 型号： | BB178G-CC2-R |
| 厂家： | 
Unisonic Technologies |
| 描述： | VHF VARIABLE CAPACITANCE DIODE |
| 文件： | 总2页 (文件大小：112K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UNISONIC TECHNOLOGIES CO., LTD
BB178
Preliminary
DIODE
VHF VARIABLE CAPACITANCE
DIODE
DESCRIPTION
2
The UTC BB178 is a planar technology variable capacitance
diode providing the designers excellent matching performance,
ultra-low series resistance and great linearity.
1
The UTC BB178 is suitable for VCO (Voltage Controlled
Oscillators) and Electronic tuning in VHF (Very High Frequency)
tuners.
SOD-523
FEATURES
* Excellent matching to 2% DMA
* Ultra low series resistance.
* Great linearity
* C28: 2.6 pF; ratio: 15
ORDERING INFORMATION
Ordering Number
Pin Assignment
Package
SOD-523
Packing
Tape Reel
Lead Free
Halogen Free
BB178G-CC2-R
1
2
BB178L-CC2-R
A
K
Note: Pin Assignment: A: Anode, K: Cathode
MARKING
78
G: Halogen Free
L : Lead Free
www.unisonic.com.tw
1 of 2
Copyright © 2011 Unisonic Technologies Co., Ltd
QW-R601-032.a
BB178
Preliminary
DIODE
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Continuous Reverse Voltage
SYMBOL
VR
RATINGS
32
UNIT
V
Peak Reverse Voltage
Continuous Forward Current
Storage Temperature
In series with a 10 kΩ resistor
VRM
IF
35
V
20
mA
°C
TSTG
TJ
-40~+150
-40~+125
Operating Junction Temperature
°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
SYMBOL
IR
TEST CONDITIONS
VR = 30 V
MIN TYP MAX UNIT
10 nA
200 nA
Reverse Current
VR = 30 V, TJ=85 °C
f = 100 MHz, VR is the value at
which Cd=30pF
Diode Series Resistance
Diode Capacitance
rS
0.65 0.8
ꢀ
VR = 1 V, f = 1 MHz
VR = 28 V, f = 1 MHz
34.65
2.361
42.35 pF
2.754 pF
Cd
Cd(1V)
Cd(2V)
Cd(1V)
Cd(28V)
Cd(25V)
Cd(28V)
ΔCd
Capacitance Ratio
Capacitance Ratio
Capacitance Ratio
Capacitance Matching
f = 1 MHz
f = 1 MHz
f = 1 MHz
1.3
13.5
1.08
VR = 1~28 V, in a sequence of
15 diodes (gliding)
2
%
Cd
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
2 of 2
QW-R601-032.a
www.unisonic.com.tw
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