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LT455BU Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part # LT455BU
Description  PIEZO-CERAMIC FILTER
PDF  6 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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LT455BU Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers

  LT455BU Datasheet HTML 1Page - List of Unclassifed Manufacturers LT455BU Datasheet HTML 2Page - List of Unclassifed Manufacturers LT455BU Datasheet HTML 3Page - List of Unclassifed Manufacturers LT455BU Datasheet HTML 4Page - List of Unclassifed Manufacturers LT455BU Datasheet HTML 5Page - List of Unclassifed Manufacturers LT455BU Datasheet HTML 6Page - List of Unclassifed Manufacturers  
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1、使用范围
SCOPE
本产品规格书适用于通讯设备用陶瓷滤波器 LT455BU。
This specification should cover the characteristics of the
ceramic filter with 455kHz .
2、产品名称
PART NO：LT455BU
3、电气性能
ELECTRICAL
CHARACTERIST
序号
NO.
项
目
Item
规
格
Value/Specifications
3.1
中心频率
Center Frequency
(Fo)
455±2.0kHz
3.2
6dB 带宽
Band Width at 6dB
±15kHz min
3.3
40dB 带宽
Band Width at 40dB
±30 kHz
max
3.4
插入衰耗
Insertion Loss
4dB
max
3.5
通带波动
（fo±15kHz）
Ripple in Bandwidth
2.0 dB
max
3.6
阻带衰耗（fo±100kHz）
Stop
Band
Attenuation
(at
fo ±
100kHz)
30dB
min
3.7
中心频率温度特性(-25℃~+80℃)
Temperature
Coefficient
of
Center
Frequency(-25℃~+80℃)
50ppm/℃ max
3.8
群延迟
Group Delay Time Deviation
30μsec.max(455±5 kHz)
3.9
耐电压
Dielectric withstanding Voltage
100V.DC(1 minute)
3.10
输入输出阻抗
Input/Output impedance
1.5kΩ±10%
3.11
绝缘阻抗（DV 10V）
Insulation Resistance（DV 10V）
100MΩ
min
注：中心频率是-6 dB 带宽处的中心值。
Note: Center frequency shall be defined as the center value
of the bandwidth at 6dB.



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