ETC LT455BU

浙江正原电气股份有限公司
ZHEJIANG ZHENYUAN ELECTRONIC CO.,LTD
压 电 陶 瓷 滤 波 器
PIEZO-CERAMIC FILTER
技
术
条
件
SPECIFICATION
产 品 型 号
Part Number
发送日期
发送人
页
数
LT455BU
拟
审
批
制
核
准
地址:中国浙江省嘉兴市经济开发区塘汇工业区正原路 1 号
ADD:No.1 Zhengyuan Road,Tanghui Industrial Zone,Jiaxing,Zhejiang,China
TEL:0086-573-3651818 3657850
FAX:0086-573-3651858
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
序号
NO.
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
项
CHARACTERIST
目
Item
中心频率
Center Frequency (Fo)
6dB 带宽
Band Width at 6dB
40dB 带宽
Band Width at 40dB
插入衰耗
Insertion Loss
通带波动 (fo±15kHz)
Ripple in Bandwidth
阻带衰耗(fo±100kHz)
Stop Band Attenuation (at fo ±
100kHz)
中心频率温度特性(-25℃~+80℃)
Temperature
Coefficient
of
Center
Frequency(-25℃~+80℃)
群延迟
Group Delay Time Deviation
耐电压
Dielectric withstanding Voltage
输入输出阻抗
Input/Output impedance
绝缘阻抗(DV 10V)
Insulation Resistance(DV 10V)
规
格
Value/Specifications
455±2.0kHz
±15kHz
±30 kHz
4dB
min
max
max
2.0 dB max
30dB min
50ppm/℃ max
30μsec.max(455±5 kHz)
100V.DC(1 minute)
1.5kΩ±10%
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.
4、 测试
4.1
MEASUREMENT
测试条件
Test Condition
基准测试温度为 25±2℃。常温测试为 15℃~35℃。
Criteria test should be condncted at temperature of
±2℃,and
4.2
ordinary
测试线路
5 、外形尺寸
tempratare test at 15℃~35℃。
Test Circuit
①
输入 Input
②
地
③
输出 Output
Ground
DIMENSIONS
单位 Unit: mm
标称公差: ±0.3
Standard tolarance
25
6、物理和环境特性
序号
No.
6.1
6.2
6.3
6.4
6.5
试验项目
Item
PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
试验条件
Condition of test
特性要求
perfomance Requirements
耐湿特性
Humidity
在温度为 40±2℃,湿度 90~95%RH 的
恒温槽中放置 96±4 小时后取出,在常
温中保持 1 小时后测试。
Keep the filter at 40 ± 2 ℃ and
90~95%RH for 96±4 hours,then release
the filter into the room temperature for
1hour prior to the measurement.
符合表 1 规定
It should conform to the
specifications in Table 1.
高温保持特性
High
Temperature
Exposure
在温度为 80±5℃的恒温槽中放置 96
±4 小时后取出,在常温中保持 1 小时
后测试。
Subject the filter to 80±5℃ for 96±4
hours,then release the filter into room
temperature for 1 hours prior to the
measurement.
符合表 1 规定
It should conform to the
specifications in Table 1.
低温保持特性
Low
Temperature
Exposure
在温度为-40±5℃的恒温槽中放置 96
±4 小时后取出,在常温中保持 1 小时
后测试
Subject the filter to -40±5℃ for 96±4
hours,then release the filter into room
temperature for 1 hours prior to the
measurement.
符合表 1 规定
It should conform to the
specifications in Table 1.
温度循环
Temperature
Cycling
在-30℃的温度中保持 30 分钟,再在
+80℃的温度中保持 30 分钟,循环 30
次后,在室温中保持 1 小时后测试。
Subject the filter to -30 ℃ for 30
minutes,followed by a high temperature
of +80℃for 30 minutes,Cycling shall be
repeated 30 times,then release the filter
into the room temperature for 1 hour
prior to the measurement.
符合表 1 规定
It should conform to the
specifications in Table 1.
耐振动性
Vibration
振动频率 10~55Hz,振幅 1.5mm,沿 X、
Y、Z 方向各振动 2 小时后测试。
Subject the filter to Vibration for 2 hours 符合表 1 规定
each in X 、 Y and Z axis with the It should conform to the
amplitude of 1.5mm ,the frequency shall specifications in Table 1.
bevaried uniformly between the limites
of 10~55Hz.
续表 Continue
序号
No.
6.6
6.7
6.8
试验项目
Item
Table
试验条件
Condition of test
特性要求
perfomance Requirements
耐跌落冲击
Mechanical
shock
符合表 1 规定
从 30cm 高度自由跌落水泥地面 3 次。
无机械损伤
Drop the filter ran domly onto the
It should conform to the
concrete floor from the height of 30cm 3
specifications in Table 1.
times.
No mechanical damage.
耐焊接热
Resistance
Solder Heat
将引线离根部 2mm 位置处浸入 260±5
℃的焊槽中保持 10±1 秒。
Dip the filter terminals 2mm into the
solder bath at 260 ± 5 ℃ for 10 ± 1
sec.Then release the filter into the room
temperature for 1 hour prior the
measurement.
符合表 1 规定
It should conform to the
specifications in Table 1.
将引线离根部 2mm 位置处浸入 235±5
℃的焊剂中保持 3±1 秒。
Dip the filter terminals 2mm into the
solder bath at 235±5℃ for 3±1sec.
95%以上的引线表面附有
焊剂。
More than 95% of the
terminal surface of the filter
should be covered with
fresh solder.
各引线轴方向上施加 1kg 静负荷 10±1
秒。
Apply a 1kg tensile force to the
terminals for 10±1sec.
在引线固定处向本体弯曲 90°,再沿
相反方向弯曲 90°,1 次循环。
Lead should with stand against 90 degree
bending at its stem. This operation shall
be done towards both directions.
引线无缺陷和裂痕,电性
能符合 3.1~3.7 规定。
No damage is detected an
dit should conform to the
specifications in 3.1~3.7.
to
可焊性
Solder Ability
引线拉伸强度
Tensile strength
6.9
引线弯曲强度
Bending Resist
表 Table
项
目
Item
规
格
max
Specifications
通带波动
Ripple (fo±15kHz)
3dB
中心频率
Cemter Frequency (6dB)
±1.5kHz
max
6dB 带宽
Band Width at 6dB
±2.0kHz
max
±2.0kHz
max
40dB 带宽
插入衰耗
Band Width at 6dB
Insertion loss
2.0dB
max
7、运输与包装
TRANSPORTION AND PACKAGE
运输过程中不能损伤包装,每只包装箱注明产品名称、数量及合
格证,每只外包装箱装 7000 只滤波器,每只小包装盒装 280 只滤波器。
Please be careful not to damage the packing box during
transportation 。 The name 、 quantity and certificate of the
product
are indicated on the box. One packing box contains 25
small box
with 280 pcs of filters in each。
8、注意事项 APPLICATION NOTES
当对产品规格书上内容有怀疑时,请与我们联系,达成一致。
If any doubt for the specifications, Please contact us
directly for further agreements。