带内部终端的 RS-232/RS-485/RS-422 收发器

XJ339 是一款先进的多协议收发器，支持 RS-232、RS-485、RS-422 串口，采用标准的 40 引脚QFN 封装。集成了总线终端和四种配置模式，允许所有三种协议可互换使用单根电缆或连接器，无需额外开关组件，完整操作只需要四个外部电荷泵电容器。 • RS-485/422 端接和偏置无需外部电阻器\n• RS-485/422 模式下的最大数据速率为 20Mbps，RS-232 模式下的最大数据速率为 1Mbps\n• 3 个驱动器，5 个接收器 RS-232/V.28\n• RS-485/422 增强型故障安全，适用于开路、短路或空闲的输入\n• 节省空间的 6mm x 6mm QFN-40 封装;

Analogtek

芯景科技

QUAD DIFFERENTIAL COMPARATOR

DESCRIPTION AND FEATURES The YD339 consists of four independent voltage comparators designed specifically to operate from a single power supply over a wide voltage range； * Single or dual supply operation； * Wide operating supply range (VCC=2V~36V or ±1～±18V)； * Input common-mod

文件：102.27 Kbytes 页数：3 Pages

YOUDA

无锡市友达

PISTON/ROD SEALS

DESCRIPTION The BECA 337 profile is a single acting symmetrical seal composed of a profiled, filled PTFE U-ring type seal and a V-spring that is resistant to corrosion. The BECA 339 profile is specially designed for applications where the seal is in contact with food products. It is chara

文件：401.1 Kbytes 页数：6 Pages

FRANCEJOINT

Plug-In Adjustable Time Delay Relay

文件：495.82 Kbytes 页数：2 Pages

ATC

Flat screw terminals Medium-duty version with grooved flat terminals, 2-pole

文件：206.1 Kbytes 页数：1 Pages

WECO