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。