同轴线的特征：
同轴电缆的主体是由内、外两导体构成的，对于导体中流动的电流存在着电阻与电感，对导体间的电压存在着电导与电容，这些特性是沿线路分布的，称为分布常数，由于在制造中尺寸精度和介质材料纯度不均匀的影响，在有线电视系统中尽管要求使用的同轴电缆特性阻抗为75Ω，但通常实际使用的同轴电缆的特性阻抗为（75±5）Ω。因此，为防止产生信号能量反射，达到最好的传输效果，终端负载阻抗也应尽量等于电缆的特性阻抗。
以下是对JAE FI-X30HL-B极细同轴线的分析
AE has developed a new plug for FI-X 30 position notebook-PC LCD interface standard connector. The FI-X30HL-B is a crimp type plug that has improved lock operability, and is halogen free.
VESA standard connector, compatible with LDVS and Display Port transmission.
Improved operability and insert ability with the new lengthened holding area.
Lead-free.
Halogen-free.
特征：
- Board-to-Cable connector for high speed differential transmission
用途：
- Notebook-PC LCD interface
一般规格：
| Number of Contacts |
30 positions |
| Pitch |
1 mm |
| Rated Current |
AC, DC each 1 A/ pos. |
| Rated Voltage |
AC, DC each 200 V/ pos. |
| Contact Resistance |
40 milliohm max. |
| Insulation Resistance |
100 megohm min. |
| Dielectric Withstanding Voltage |
500 VACr.m.s. (1 minute) |
| Operating Temperature Range |
-40 deg. C to +80 deg. C |
本系列的产品列表明细：
| Part Number |
Pincount |
connectorType |
Features |
| FI-X30HL-B |
30 |
Cover Sell for plug |
Board-to-Cable connector for high speed differential transmission, 30 pos., Cable side plug housing |
