BLA31 inductor surface mount 系列
Murata Manufacturing Co., Ltd.铁氧体珠阵列用于EMI抑制
Murata的BLA31电感器系列是一组铁氧体珠阵列，主要用于表面安装应用中的电磁干扰（EMI）抑制。这些组件常用于电源、开关模式电源转换器以及其他需要降低辐射发射的高频电路中。
如果您在设计中需要有效的EMI滤波且不占用太多印制电路板空间，这些电感器是一个很好的选择。它们提供了一种紧凑的解决方案，可以轻松集成到PCB布局中，使其既适用于新设计的开始，也适用于现有电路板上的组件升级。
值得注意的一点是，当工程师们需要一种快速可靠的方式来添加EMI抑制且不会使电路过于复杂时，往往会选用这些电感器。BLA31系列在性能和尺寸之间提供了良好的平衡，使其成为许多空间受限应用中的热门选择。此外，这些铁氧体珠的坚固构造确保了长期可靠性，在苛刻环境中尤为重要。
系列图片（14 张）
文档与媒体
常见问答
BLA31 inductor surface mount - 型号列表
共 13 个型号| 制造商零件编号 | 库存 | 价格 | 产品类别 | 标准包装数量 | 阻抗 | 容差 | 最大额定电流 | 初始电阻（最小） | 深度 | 高度 | 封装形式 | 类型 | 磁芯材料 | 产品 | 交货时间 | 子类别 | 工厂包装数量 | RoHS | 滤波器类型 | 测试频率 | 直流电阻（DCR） | 阻抗 @ 频率 | 宽度 | 包装方式 | 高度（最大） | 安装类型 | 总长度 | 尺寸/外形 | 端接样式 | 工作温度 | 欧盟RoHS | 行业别名 | 最小起订量 | 单位包装 | 尺寸 | 长度 | 汽车级 | 无铅定义 | 输出电流 | 材料（通用） | 测试温度 | 系列 | 其他名称 | 抗辐射加固 | 军用标准 | 电感量 | 直流正向电流（If）（最大） | 直径 | 匹配码 | 失效率 | 标准交期 | 应用细节 | 应用 | B25/100 | 重量 | 已删除 | SVHC | 海关税号 | 额定直流电流 | 直流电阻（DCR）（最大） | 安装特性 | 功能 | 电阻 | 量程（°/s） |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Ind Chip Bead Array 60Ohm 25% 100MHz Ferrite 200mA 1206 Paper T/R Ferrite Beads Chip Array 60Ohm 25% 100MHz 200mA 150mOhm DCR 1206 Paper T/R BLA3216A600SG4T1M0-10 FERRITE ARRAY 60 OHM 200MA 1206 EMI Filter Beads, Chips & Arrays 60 OHM ARRAY/LOW SPE murata electronics | 3192 | 5: ¥1.8276 | EMI Filter Beads, Chips & Arrays | Tape & Reel | 60 Ohm | 25 % | 200 mA | 150 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100 MHz | 150 mOhm Max | 60 Ohm @ 100MHz | 1.6 mm | Paper Tape and Reel | 0.039" (1.00mm) | Surface Mount | 3.4 | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | Compliant | BLA3216A600SG4T1 | 4000 | 4000 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Ind Chip Bead Array 1KOhm 25% 100MHz Ferrite 50mA 1206 Paper T/R Ferrite Beads Chip Array 1KOhm 25% 100MHz 50mA 450mOhm DCR 1206 Paper T/R BLA31AG 1000R 50mA 4xARRAY FERRITE ARRAY 1000 OHM 50MA SMD Ferrite bead SMD 1206 array 1K 50mA EMI Filter Beads, Chips & Arrays 1K OHM ARRAY/LOW SPE Ferrite Beads Chip Bead Array 1KOhm 25% 100MHz 50mA 1206 Paper T/R Murata 铁氧体磁珠, 1000Ω阻抗 @ 100 MHZ, 1206封装, 适用于电磁干扰抑制，通用电子 murata electronics | 1292 | 5: ¥1.6478 | EMI Filter Beads, Chips & Arrays | Tape & Reel, Cut Tape | 1 KOhm | 25 % | 50 mA | 450 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100MHz | 0.45Ohm | 1 kOhm @ 100MHz | 1.6mm | Paper Tape and Reel | 0.039" (1.00mm) | SMD | 3.2 mm | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | Compliant | BLA3216A102SG4T1 | 4000 | 4000 | 1206 | 3.2mm | NO | RoHS-conform | 50mA | Ferrite | -55°C | - | 490-1002-1 | No | Not Required | Not Required uH | 50 mA | Not Required mm | FEC1000R1206 | Not Required | 12 weeks | EMI Suppression, General Electronics | - | - | - | - | - | - | - | - | - | - | - | - |
Ind Chip Bead Array 120Ohm 25% 100MHz Ferrite 150mA 1206 Paper T/R Ferrite Beads Chip Array 120Ohm 25% 100MHz 150mA 300mOhm DCR 1206 Paper T/R BLA3216B121SD4T1M0-10 FERRITE ARRAY 120 OHM 150MA SMD EMI Filter Beads, Chips & Arrays 120 OHM ARRAY/HIGH 2 Murata BLA31BD 系列 铁氧体磁珠, 120Ω阻抗 @ 100 MHZ, 1206封装, 适用于电磁干扰抑制 BLA31BD 120R 150mA 0,30R murata electronics | 10 | 1: ¥2.9013 | EMI Filter Beads, Chips & Arrays | Tape & Reel | 120 Ohm | 25 % | 150 mA | 300 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100 MHz | 300 mOhm Max | 120 Ohm @ 100MHz | 1.6 mm | Paper Tape and Reel | 0.039" (1.00mm) | Surface Mount | 3.4 | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | Compliant | BLA3216B121SD4T1 | 4000 | 4000 | 1206 | 3.2mm | NO | RoHS-conform | 150 mA | 铁氧体 | - | BLA31BD | 490-1003-1 | - | - | - | - | - | - | - | - | - | 电磁干扰抑制 | 120Ω | - | - | - | - | - | - | - | - | - | - |
Ind Chip Bead Array 600Ohm 25% 100MHz Ferrite 100mA 1206 Paper T/R Ferrite Beads Chip Array 600Ohm 25% 100MHz 100mA 350mOhm DCR 1206 Paper T/R BLA31AG 600R 100mA 4xARRAY FERRITE ARRAY 600 OHM 100MA SMD Ferrite bead SMD 1206 array 600R 100mA EMI Filter Beads, Chips & Arrays 600 OHM ARRAY Murata 铁氧体磁珠, 600Ω阻抗 @ 100 MHZ, 1206封装, 适用于电磁干扰抑制，通用电子 murata electronics | 10 | 1: ¥1.4542 | EMI Filter Beads, Chips & Arrays | Cut Tape | 600 Ohm | 25 % | 100 mA | 350 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100MHz | 0.35Ohm | 600 Ohm @ 100MHz | 1.6mm | Paper Tape and Reel | 0.039" (1.00mm) | SMD | 3.2 mm | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | Compliant | BLA3216A601SG4T1 | 4000 | 4000 | 1206 | 3.2mm | NO | RoHS-conform | 100mA | Ferrite | -55°C | - | 490-1001-1 | No | Not Required | Not Required uH | 100 mA | Not Required mm | FEC600R1206 | Not Required | 12 weeks | EMI Suppression, General Electronics | - | - | - | - | - | - | - | - | - | - | - | - |
Ind Chip Bead Array 30Ohm 25% 100MHz Ferrite 200mA 1206 Paper T/R Ferrite Beads Chip Array 30Ohm 25% 100MHz 200mA 100mOhm DCR 1206 Paper T/R BLA31AG 30R 200mA 4xARRAY FERRITE ARRAY 30 OHM 200MA 1206 EMI Filter Beads, Chips & Arrays BLA31AG300SN4D FERRITE BEAD, 0.1OHM, 200MA, 1206 murata electronics | 348 | 5: ¥2.0846 | EMI Filter Beads, Chips & Arrays | Tape & Reel | 30 Ohm | 25 % | 200 mA | 100 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100MHz | 0.10Ohm | 30 Ohm @ 100MHz | 1.6mm | Paper Tape and Reel | 0.039" (1.00mm) | SMD | 3.4 | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | Compliant | BLA3216A300SG4T1 | 4000 | 4000 | 1206 | 3.2mm | NO | RoHS-conform | 200mA | - | -55°C | :BLA31A | - | - | - | - | - | - | FEC30R1206 | - | 12 weeks | - | - | - | 0.018gr | - | :No SVHC (20-Jun-2013) | 85045020 | :200mA | :0.1ohm | :SMD | - | :0.1ohm | - |
 Ind Chip Bead Array 1KOhm 25% 100MHz Ferrite 50mA 1206 Paper T/R murata electronics | 10 | 1: ¥4.6172 | - | Cut Tape | 1 KOhm | 25 % | 50 mA | 550 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Ind Chip Bead Array 600Ohm 25% 100MHz Ferrite 100mA 1206 Paper T/R Ferrite Beads Chip Bead Array 600Ohm 25% 100MHz 100mA 1206 Paper T/R BLA31BD 600R 100mA 4xARRAY FERRITE ARRAY 600 OHM 100MA SMD Ferrite bead SMD 1206 array 600R 100mA EMI Filter Beads, Chips & Arrays 600 OHM ARRAY/HIGH S Murata 铁氧体磁珠, 600Ω阻抗 @ 100 MHZ, 1206封装, 适用于电磁干扰抑制，通用电子 murata electronics | 2624 | 5: ¥2.4004 | EMI Filter Beads, Chips & Arrays | Cut Tape, Tape & Reel | 600 Ohm | 25 % | 100 mA | 450 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100MHz | 0.7Ohm | 600 Ohm @ 100MHz | 1.6mm | Paper Tape and Reel | 0.039" (1.00mm) | SMD | 3.2 mm | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | Compliant | BLA3216B601SD4T1 | 4000 | 4000 | 1206 | 3.2mm | NO | RoHS-conform | 50mA | Ferrite | -55°C | - | 490-1004-1 | No | Not Required | Not Required uH | 100 mA | Not Required mm | FEC600R1206 | Not Required | 12 weeks | EMI Suppression, General Electronics | - | - | - | Compliant | - | - | - | - | - | - | - | - |
Ind Chip Bead Array 120Ohm 25% 100MHz Ferrite 150mA 1206 Paper T/R Ferrite Beads Chip Array 120Ohm 25% 100MHz 150mA 200mOhm DCR 1206 Paper T/R BLA3216A121SG4T1M0-10 FERRITE ARRAY 120 OHM 150MA SMD Ferrite bead SMD 1206 array 120R 150mA EMI Filter Beads, Chips & Arrays BLA31AG121SN4D Ferrite Beads Chip Bead Array 120Ohm 25% 100MHz 150mA 1206 Paper T/R Murata 铁氧体磁珠, 1206封装, 适用于电磁干扰抑制，通用电子 BLA31AG 120R 150mA 4xARRAY murata electronics | 10 | 1: ¥1.3601 | EMI Filter Beads, Chips & Arrays | Tape & Reel | 120 Ohm | 25 % | 150 mA | 200 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100 MHz | 200 mOhm Max | 120 Ohm @ 100MHz | 1.6 mm | Paper Tape and Reel | 0.039" (1.00mm) | Surface Mount | 3.4 mm | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | Compliant | BLA3216A121SG4T1 | 4000 | 4000 | 1206 | 3.2mm | NO | RoHS-conform | 150 mA | Ferrite | 125 °C | EMIFIL®, BLA31A | 490-1000-1 | No | Not Required | Not Required uH | 150 mA | Not Required mm | - | Not Required | - | EMI Suppression, General Electronics | 电磁干扰抑制，通用电子 | - | - | Compliant | - | - | - | - | - | - | - | - |
Ind Chip Bead Array 600Ohm 25% 100MHz Ferrite 100mA 1206 Paper T/R murata electronics | 10 | 1: ¥4.6172 | - | Cut Tape | 600 Ohm | 25 % | 100 mA | 450 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Ind Chip Bead Array 220Ohm 25% 100MHz Ferrite 150mA 1206 Paper T/R FERRITE ARRAY 220 OHM 150MA 1206 EMI Filter Beads, Chips & Arrays 1206 220ohm +/-25% DCR 0.35ohm Ferrite Beads Chip Bead Array 220Ohm 25% 100MHz 150mA 1206 Paper T/R FERRITE BEAD ARRAY, 1206 CASE, 220OHM Murata BLA31B 系列 铁氧体磁珠, 220Ω阻抗 @ 100 MHZ, 3216封装, 适用于通用电子 BLA31B 220R 150mA 4xARRAY murata electronics | 4820 | 5: ¥2.4819 | EMI Filter Beads, Chips & Arrays | Tape & Reel | 220 Ohm | 25 % | 150 mA | 350 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100 MHz | 350 mOhm Max | 220 Ohm @ 100MHz | 1.6 mm | Paper Tape and Reel | 0.039" (1.00mm) | Surface Mount | 3.2 mm | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | - | BLA3216B221SD4T1 | - | - | 1206 | - | - | - | - | - | - | :MURATA - BLA31B Series | - | No | Not Required | Not Required uH | 150 mA | Not Required mm | - | Not Required | - | - | - | - | 0.00001 | Compliant | :No SVHC (20-Jun-2013) | 85045020 | :150mA | :0.35ohm | :SMD | - | - | :MURATA - BLA31B Series |
EMI Filter Beads, Chokes & Arrays 1KOhm 25% 100MHz Ferrite Beads Chip Array 1KOhm 25% 100MHz 50mA 550mOhm DCR 1206 Paper T/R BLA31BD 1000R 50mA 4xARRAY FERRITE ARRAY 1K OHM 50MA 1206 EMI Filter Beads, Chips & Arrays 1KOhm 25% 100MHz BLA31BD102SN4D Murata Power Solutions BLA31B 系列 铁氧体磁珠, 1000Ω阻抗 @ 100 MHZ, 3216封装 Murata Electronics | 2752 | 5: ¥2.1822 | - | 4,000 | 1000Ohm | 25% | 50mA | 550 mOhms | 1.8 | 0.8mm | 1206 | Chip Bead Array | - | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100MHz | 0.7Ohm | 1 kOhm @ 100MHz | 1.6mm | Paper Tape and Reel | 0.039" (1.00mm) | SMD | 3.4 | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | Compliant | - | 4000 | 4000 | 1206 | 3.2mm | NO | RoHS-conform | 50mA | - | -55°C | - | - | - | - | - | - | - | FEC1000R1206 | - | 12 weeks | - | - | - | 0.018gr | - | - | - | - | - | - | - | - | - |
Ind Chip Bead Array 470Ohm 25% 100MHz Ferrite 100mA 1206 Paper T/R Ferrite Beads Chip Array 470Ohm 25% 100MHz 100mA 400mOhm DCR 1206 Paper T/R BLA3216B471SD4T1M0-10 FERRITE ARRAY 470 OHM 100MA 1206 EMI Filter Beads, Chips & Arrays BLA31BD471SN4D Murata Power Solutions BLA31B 系列 铁氧体磁珠, 470Ω阻抗 @ 100 MHZ, 3216封装 murata electronics | 50 | 1: ¥1.1325 | EMI Filter Beads, Chips & Arrays | Tape & Reel | 470 Ohm | 25 % | 100 mA | 400 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100 MHz | 400 mOhm Max | 470 Ohm @ 100MHz | 1.6 mm | Paper Tape and Reel | 0.039" (1.00mm) | Surface Mount | 3.4 | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | Compliant | BLA3216B471SD4T1 | 4000 | 4000 | - | 3.2mm | - | - | - | 铁氧体 | - | BLA31B | - | - | - | - | - | - | - | - | - | - | 通用 | 470Ω | - | - | - | - | - | - | - | Y | - | - |
Ind Chip Bead Array 220Ohm 25% 100MHz Ferrite 150mA 1206 Paper T/R Ferrite Beads Chip Array 220Ohm 25% 100MHz 150mA 250mOhm DCR 1206 Paper T/R FERRITE ARRAY 220 OHM 150MA 1206 EMI Filter Beads, Chips & Arrays 220 OHM ARRAY/LOW SP Murata Power Solutions BLA31A 系列 铁氧体磁珠, 220Ω阻抗 @ 100 MHZ, 3216封装 BLA31AG 220R 150mA 4xARRAY murata electronics | 100 | 1: ¥1.7002 | EMI Filter Beads, Chips & Arrays | Tape & Reel | 220 Ohm | 25 % | 150 mA | 250 mOhm | 1.8 mm | 1 mm | 1206 | Chip Bead Array | Ferrite | Ferrite Chip Bead Arrays | 49 Days | Ferrite Beads | 4000 | Lead free / RoHS Compliant | Differential Mode - 4 Line Array | 100 MHz | 250 mOhm Max | 220 Ohm @ 100MHz | 1.6 mm | Paper Tape and Reel | 0.039" (1.00mm) | Surface Mount | 3.4 | 0.126" L x 0.063" W (3.20mm x 1.60mm) | SMD/SMT | - 55 C to + 125 C | Compliant | BLA3216A221SG4T1 | - | - | 1206 | 3.2mm | NO | RoHS-conform | 150 mA | 铁氧体 | -55 °C | BLA31A | - | - | - | - | - | - | - | - | - | - | 通用 | 220Ω | - | - | - | - | - | - | - | Y | - | - |