FI212B rf filter 系列
TAIYO YUDEN CO., LTD.无线和信号调理应用用的高频带通滤波器
TAIYO YUDEN 的 FI212B 系列是一款用于无线和信号调理应用的高频带通滤波器。这些滤波器特别适用于需要在特定频率范围内通过信号并拒绝外部信号的场景。如果您正在设计涉及 Wi-Fi、蓝牙或其他高频通信系统的项目，这些滤波器可以帮助确保仅传输或接收所需的频率。
值得注意的是，它们能够在广泛的频率范围内保持平坦的通带响应，这对于高速数据传输中的信号完整性至关重要。当工程师需要对频谱进行精确控制时，例如在医疗设备、雷达系统或汽车电子设备中，避免其他信号的干扰时，往往会选择这种滤波器。
另一个实际应用是在测试设备和实验室设置中，需要隔离特定的频率带以进行测试。FI212B 系列滤波器可以通过过滤掉不需要的噪声和谐波来帮助创建一个干净的环境，使分析和调试电路问题变得更加容易。
总体而言，这些滤波器可靠且在插入损耗和抑制比方面表现出色，是任何需要高频滤波的项目中的理想选择。
系列图片（10 张）
文档与媒体
常见问答
FI212B rf filter - 型号列表
共 7 个型号| 制造商零件编号 | 库存 | 价格 | 产品类别 | 其他名称 | 标准包装数量 | RoHS | 纹波 | 频率 | 滤波器类型 | 插入损耗 | 带宽 | 包装方式 | 高度（最大） | 安装类型 | 封装形式 | 尺寸/外形 | 产品 | 阻抗 | 频率范围 | 典型衰减 | 插入损耗（最大） | 端接样式 | 工作温度 | 频率响应 | 最大频率 | 频率 - 截止或中心 | 海关税号 | 频率（中心/带宽） | 重量 | 引脚数 | 外壳尺寸-插件 | 应用 | 标准包装规格 | 低频段衰减（最小/最大 dB） | 制造商 | 端部尺寸（如SMD/SMT、14mm等） | 产品子类型 | 机械寿命 | 结工作温度 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 0 | - | 587-1728-2 | 3,000 | Lead free / RoHS Compliant | 1dB | 2.45GHz Center | Band Pass | 1.8dB | 100MHz | Tape & Reel (TR) | 0.039" (1.00mm) | Surface Mount | 0805 (2012 Metric), 4 PC Pad | 0.079" L x 0.049" W (2.00mm x 1.25mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
 Electromechanical Filter 3960MHz Freq. 2000MHz to 4000MHz 50Ohm FILTER BANDPASS 3.1-4.9GHZ UWB Signal Conditioning BANDPASS FLTR HI FREQ MULTILYR FILTER, BAND PASS, 805, 50 OHM, SMD taiyo yuden | 1213 | 1: ¥2.6316 | - | 587-2208-1 | Tape & Reel | Lead free / RoHS Compliant | 2dB | 3.96GHz Center | Band Pass | 2.7dB | 1.584GHz | Tape & Reel (TR) | 0.039" (1.00mm) | Surface Mount | 0805 (2012 Metric), 4 PC Pad | 0.079" L x 0.049" W (2.00mm x 1.25mm) | Band Pass Filters | 50 Ohm | 3168 MHz to 4752 MHz | 2 dB | 3 dB | SMD/SMT | -30 to 85 °C | BPF | 2000 to 4000 MHz | 3960 MHz | 85339000 | :3.168GHz to 4.752GHz | 0 | :4 | :0805 ^2012 Metric] | :Electronic Appliances and Electronic Communications Equipment | - | - | - | - | - | - | - |
 Electromechanical Filter 2450MHz Freq. 2000MHz to 4000MHz 50Ohm シグナルコンディショニング BANDPASS FLTR HI FREQ MULTILYR FILTER BANDPASS W-LAN BLUETOOTH Signal Conditioning BANDPASS FLTR HI FREQ MULTILYR taiyo yuden | 2399 | 2399: ¥3.7699 | - | 587-2313-2 | Tape & Reel | RoHS 認証 | 1dB | 2450 MHz | Band Pass | 1.4 dB | 100MHz | Tape & Reel (TR) | 0.039" (1.00mm) | Surface Mount | 0805 (2012 metric) | 0.079" L x 0.049" W (2.00mm x 1.25mm) | Band Pass Filters | 50 Ohm | 2400 MHz to 2500 MHz | 1 dB | 2.9 dB | SMD/SMT | -40 to 85 °C | BPF | 2000 to 4000 MHz | 2450 MHz | - | - | - | - | - | - | 3,000 | - | Taiyo Yuden | SMD/SMT | Band Pass Filters | Mouser 初 | - 30 C to + 85 C |
 Electromechanical Filter 2450MHz Freq. 2000MHz to 4000MHz 50Ohm FILTER BANDPASS W-LAN BLUETOOTH Signal Conditioning BANDPASS FLTR HI FREQ MULTILYR taiyo yuden | 3000 | 1: ¥6.12 | - | 587-2314-2 | Tape & Reel | Lead free / RoHS Compliant | 1dB | 2.45GHz Center | Band Pass | 1.4dB | 100MHz | Tape & Reel (TR) | 0.039" (1.00mm) | Surface Mount | 0805 (2012 Metric), 4 PC Pad | 0.079" L x 0.049" W (2.00mm x 1.25mm) | Band Pass Filters | 50 Ohm | 2400 MHz to 2500 MHz | 1 dB | 1.7 dB | SMD/SMT | -40 to 85 °C | BPF | 2000 to 4000 MHz | 2450 MHz | - | - | - | - | - | - | 3,000 | - | - | - | - | - | - |
Electromechanical Filter 50Ohm FILTER BANDPASS 4.2-4.9GHZ UWB Signal Conditioning BANDPASS FLTR HI FREQ MULTILYR FILTER, BAND PASS, 805, 50 OHM, SMD taiyo yuden | 2975 | 1: ¥2.6316 | - | 587-2209-1 | Tape & Reel | Lead free / RoHS Compliant | 1.5dB | 4.488GHz Center | Band Pass | 2.4dB | 528MHz | Tape & Reel (TR) | 0.039" (1.00mm) | Surface Mount | 0805 (2012 Metric), 4 PC Pad | 0.079" L x 0.049" W (2.00mm x 1.25mm) | Band Pass Filters | 50 Ohm | 4224 MHz to 4752 MHz | 1.5 dB | 2.8 dB | SMD/SMT | -30 to 85 °C | BPF | - | - | 85339000 | :- | 0 | :4 | :0805 ^2012 Metric] | :- | - | :40dB | - | - | - | - | - |
 Electromechanical Filter 50Ohm FILTER BANDPASS 1.9GHZ SMD PHS Signal Conditioning BANDPASS FLTR HI FREQ MULTILYR FILTER, BAND PASS, 805, 50 OHM, SMD taiyo yuden | 2106 | 9: ¥7.7547 | - | 587-2210-1 | Tape & Reel | Lead free / RoHS Compliant | 1dB | 1.907GHz Center | Band Pass | 1.7dB | 46MHz | Tape & Reel (TR) | 0.039" (1.00mm) | Surface Mount | 0805 (2012 Metric), 4 PC Pad | 0.079" L x 0.049" W (2.00mm x 1.25mm) | Band Pass Filters | 50 Ohm | 1884 MHz to 1930 MHz | 1 dB | 2 dB | SMD/SMT | -30 to 85 °C | - | - | - | 85339000 | :1.884GHz to 1.93GHz | 0 | :4 | :0805 ^2012 Metric] | :PHS | - | :30dB | - | - | - | - | - |
Electromechanical Filter 2450MHz Freq. 2000MHz to 4000MHz 50Ohm FILTER BANDPASS W-LAN BLUETOOTH Signal Conditioning BANDPASS FLTR HI FREQ MULTILYR taiyo yuden | 10 | 3000: ¥1.6429 | - | 587-2312-2 | Tape & Reel | Lead free / RoHS Compliant | 1dB | 2.45GHz Center | Band Pass | 1.4dB | 100MHz | Tape & Reel (TR) | 0.039" (1.00mm) | Surface Mount | 0805 (2012 Metric), 4 PC Pad | 0.079" L x 0.049" W (2.00mm x 1.25mm) | Band Pass Filters | 50 Ohm | 2400 MHz to 2500 MHz | 1 dB | 1.7 dB | SMD/SMT | -30 to 85 °C | BPF | 2000 to 4000 MHz | 2450 MHz | - | - | - | - | - | - | 3,000 | - | - | - | - | - | - |