JGM系列直流滤波器
产品特点 Features
良好的共模、差模干扰抑制特性。
可按不同性能，工作电流，电压，外形尺寸和端接方式等要求定制。
Customization design for different requirements such as performance,rated current,rated viltage,shape dimention and termination methods
使用场合 Application
抑制沿电源线传输的无线电干扰，适用于各种直流相供电的设备。
技术参数 Technical Data
| JG系列直流系列 | |||||||||||||||
| 额定电压 Rated Voltage | 100VDC | ||||||||||||||
| 工作频率 Operating Frequency | DC | ||||||||||||||
| 耐压试验Test Voltage | 线—线 L―L | 200VDC | 1min | ||||||||||||
| 线—地 L―G | 500VAC | 1min | |||||||||||||
| 温度范围 temperature range | -55℃–+85℃ | ||||||||||||||
|
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 | ||||||
| AUM-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 | ||
| BTM-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 | ||
| BTM-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 | ||
| BUM-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 | ||
| BUM-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 | ||
| BUM-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 | ||
| DUM-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 | ||
| DUM-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 | ||
| DTLM-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 | ||
| EFDM-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 | ||
| EFDM-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 | ||
| EUM-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 | ||
| FFDM-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 | ||
| FUM-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 | ||
| GUM-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 | ||
| PTLM-20A-41 | 20 | P | T | 16/14 | 29/37 | 38/49 | 53/63 | 65/65 | 65/65 | 70/70 | 71/65 | 62/62 | 56/56 | ||
| PUM-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 | ||
| PUM-10A-31 | 10 | PH | U | 18/13 | 26/21 | 31/53 | 39/62 | 50/68 | 62/63 | 69/63 | 57/60 | 52/58 | 52/54 | ||
| SUM-20A-41 | 20 | D | 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 Shape dimension
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。