直流滤波器
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产品特点 ▲ 为抑制直流电源线干扰而设计。 ▲ 采用新型软磁材料。 ▲ 体积小、重量轻、性能可靠、价格低廉等优点。
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Features ▲ Specially designed for suppressing DC power line disturbances. ▲ New type soft ferrites. ▲ Compact，light weight，reliable and low cost |
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技术指标 ▲ 额定电压： 100VDC ▲ 测试电压： 线—线：200VDC，一分钟 线—地：500VDC，一分钟 ▲ 温度范围： -25℃~+85℃
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Specification ▲ Rated Voltage: 100VdC ▲ Test Voltage: Line~Line: 200VDC，1 min. Line~Ground: 500VDC，1 min. ▲ Temperature Range: -25℃~+85℃
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应用场合 适用于程控交换机、光端机、开关电源以及直流供电设备。
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Application Suited for DC powered switching gear， multiplex，SDH，PDH，switching-mode power supply and electronic instruments.
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直流滤波器参数表
DC Filter Parameter List
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型号 |
额定
电流 (A) |
外形尺寸
图号 |
原理电路
图号 |
插入损耗（dB） 共模/差模 （CM//DM） | |||||||||
| 测试频率(MHz) | |||||||||||||
| 0.01 | 0.05 | 0.10 | 0.15 | 0.5 | 1.0 | 5.0 | 10 | 20 | 30 | ||||
| AU-1A-00 | 1 | A | U | 8/10 | 21/31 | 29/37 | 34/41 | 51/43 | 57/63 | 68/63 | 68/54 | 53/56 | 50/52 |
| BT-2A-20 | 2 | B | T | 8/15 | 20/27 | 28/33 | 33/47 | 53/60 | 68/68 | 64/69 | 63/64 | 62/64 | 58/60 |
| BT-3A-20 | 3 | B | T | 5/12 | 20/25 | 28/30 | 31/42 | 50/56 | 62/65 | 64/69 | 63/69 | 62/64 | 60/62 |
| BU-1A-20 | 1 | B | U | 18/19 | 28/36 | 41/51 | 53/63 | 71/77 | 71/77 | 71/65 | 71/62 | 67/56 | 56/56 |
| BU-2A-20 | 2 | B | U | 7/14 | 28/24 | 30/41 | 35/42 | 58/53 | 66/62 | 74/69 | 74/63 | 66/62 | 62/58 |
| BU-3A-20 | 3 | B | U | 5/9 | 18/27 | 21/29 | 32/41 | 67/71 | 71/73 | 71/65 | 71/64 | 67/62 | 66/62 |
| BU-1A-21 | 1 | B02 | U | 18/19 | 28/36 | 41/51 | 53/63 | 71/77 | 71/77 | 71/65 | 71/62 | 67/56 | 56/56 |
| BU-2A-21 | 2 | B02 | U | 7/14 | 28/24 | 30/41 | 35/42 | 58/53 | 66/62 | 74/69 | 74/63 | 66/62 | 62/58 |
| BU-3A-21 | 3 | B02 | U | 5/9 | 18/27 | 21/29 | 32/41 | 67/71 | 71/73 | 71/65 | 71/64 | 67/62 | 66/62 |
| BU-1A-00 | 1 | BZ | U | 18/19 | 28/36 | 41/51 | 53/63 | 71/77 | 71/77 | 71/65 | 71/62 | 67/56 | 56/56 |
| BU-2A-00 | 2 | BZ | U | 7/14 | 28/24 | 30/41 | 35/42 | 58/53 | 66/62 | 74/69 | 74/63 | 66/62 | 62/58 |
| BU-3A-00 | 3 | BZ | U | 5/9 | 18/27 | 21/29 | 32/41 | 67/71 | 71/73 | 71/65 | 71/64 | 67/62 | 66/62 |
| CBD-3A-21 | 3 | C02 | BD | 13/17 | 25/26 | 31/53 | 34/62 | 48/62 | 56/62 | 63/69 | 63/69 | 60/70 | 62/62 |
| CBD-6A-21 | 6 | C02 | BD | 7/14 | 28/24 | 30/41 | 35/42 | 58/53 | 66/62 | 74/69 | 74/63 | 66/62 | 62/58 |
| DBD-10A-31 | 10 | D02 | BD | 5/13 | 19/25 | 28/39 | 34/45 | 53/59 | 62/68 | 70/70 | 70/70 | 68/68 | 62/64 |
| DBD-20A-31 | 20 | D02 | BD | 4/11 | 16/23 | 27/37 | 31/42 | 50/56 | 62/68 | 70/70 | 70/70 | 58/63 | 56/62 |
| DU-6A-40 | 6 | D | U | 16/14 | 29/37 | 38/49 | 53/63 | 65/65 | 65/65 | 70/70 | 71/65 | 62/62 | 56/56 |
| DU-6A-31 | 6 | D02 | U | 16/14 | 29/37 | 38/49 | 53/63 | 65/65 | 65/65 | 70/70 | 71/65 | 62/62 | 56/56 |
| DQL-10A-40 | 10 | D | Q | -/13 | -/56 | -/68 | -/70 | -/68 | -/68 | -/60 | -/57 | -/52 | -/50 |
| DTL-10A-40 | 10 | D | T | 19/25 | 31/33 | 39/47 | 47/53 | 62/68 | 62/62 | 63/63 | 53/57 | 50/52 | 48/50 |
| EFD-6A-40 | 6 | E | FD | 23/20 | 38/28 | 45/55 | 55/62 | 62/68 | 65/65 | 69/65 | 60/62 | 55/58 | 52/54 |
| EFD-10A-40 | 10 | E | FD | 21/18 | 35/25 | 41/53 | 50/62 | 62/68 | 65/65 | 69/65 | 60/62 | 55/58 | 52/54 |
| EU-20A-40 | 20 | E | U | 18/13 | 26/21 | 31/53 | 39/62 | 50/68 | 62/63 | 69/63 | 57/60 | 52/58 | 52/54 |
| EQ-30A-40 | 30 | E | Q | -/13 | -/56 | -/68 | -/70 | -/68 | -/68 | -/60 | -/57 | -/52 | -/50 |
| FBD-50A-40 | 50 | F | BD | 10/19 | 17/26 | 21/33 | 25/33 | 38/43 | 46/51 | 65/71 | 63/68 | 62/62 | 56/56 |
| FFD-20A-40 | 20 | F | FD | 21/18 | 35/25 | 41/53 | 50/62 | 62/68 | 65/65 | 69/65 | 60/62 | 55/58 | 52/54 |
| FU-30A-40 | 30 | F | U | 8/15 | 20/27 | 28/33 | 33/47 | 53/60 | 68/68 | 64/69 | 63/64 | 62/64 | 58/60 |
| GU-50A-40 | 50 | G | U | 18/13 | 26/21 | 31/53 | 39/62 | 50/68 | 62/63 | 69/63 | 57/60 | 52/58 | 52/54 |
| HU-100A-40 | 100 | H | U | 16/14 | 29/37 | 38/49 | 53/63 | 65/65 | 65/65 | 70/70 | 71/65 | 62/62 | 56/56 |
| PU-10A-41 | 10 | P | U | 16/14 | 29/37 | 38/49 | 53/63 | 65/65 | 65/65 | 70/70 | 71/65 | 62/62 | 56/56 |
| PU-10A-31 | 10 | PH | U | 16/14 | 29/37 | 38/49 | 53/63 | 65/65 | 65/65 | 70/70 | 71/65 | 62/62 | 56/56 |
| PTL-20A-41 | 20 | P | T | 18/19 | 28/30 | 36/39 | 42/44 | 62/62 | 68/68 | 63/32 | 57/57 | 54/56 | 50/52 |
| SU-20A-41 | 20 | S | U | 18/13 | 26/21 | 31/53 | 39/62 | 50/68 | 62/63 | 69/63 | 57/60 | 52/58 | 52/54 |
- — 共模（CM）,— 差模（DM） CM/DM
50Ω测量系统,GB7343/CISPR NO.17出版物 Measured in 50 ohm system ,as GB7343 or CISPR NO.17
电路原理图
Electrical Schematics
外形尺寸
Housing and Dimensions
安装提示：
1 安装位置：滤波器安装的最佳位置应在电源线入口处，以缩短输入线在机箱内的长度，减少辐射干扰的空间耦合；
2 接地：滤波器的接地必须良好。对于金属外壳的滤波器，外壳必须与设备机箱进行低阻抗连接，即外壳必须与机箱面板面导电接触，并接好地线；
3 滤波器输入端和输出端的布线：滤波器的输入线、输出线必须拉开距离，切忌并行走线，以避免输入线缆和输出线缆间发生耦合而旁路了滤波器，造成滤波器失效。