UEA5112C-4ET1-4F 是一款单层USB 3.0, 主要用于电脑主板, 工控主板, 笔记本主板，以及税控机等, 具体描述如下:
USB 3.0 A TYEP Connector
USB 3.0 Series
A Type T/H
9Pos
SPECIFICATIONS
Mechanical
Mating Force: intial 3.5kgf max.
Unmating Force: intitial 1.0kgf min.
Durability: 5000 Cycles
Electrical
Voltage Rating:30V rms maximum
Low Level Contact Resistance: Inital:30mΩ maximum for the Power and Ground(GND)
Contacts and 50mΩ maximum for all other contacts.
Dielectric Withstanding Voltage: 100V AC(Rms).
Insulation Resistance: 100MΩ min. at 100V DC.
Physical
Housing: Thermoplastic,UL 94V-0 rated in blue Color
Contact,Shell: Copper alloy and steel.
Plating: See "ORDEDING INFORMATION"
Operation Temperature: -20℃ to +85℃
UEA5112C-4ET1-4F主要应用于以下几方面：
1.UEA5112C-4ET1-4F主要应用于工控主板 。
2.UEA5112C-4ET1-4F主要应用于嵌入式主板。
3.UEA5112C-4ET1-4F主要应用于税控机。
4.UEA5112C-4ET1-4F主要应用于电脑主板。
5.UEA5112C-4ET1-4F主要应用于通讯产品。
