Tyco PolySwitch™ PTC 设备 RKEF 系列### 印刷电路板线端（可重置熔丝）### 印刷电路板线端可重置熔丝带有的径向引线具备以下特征： 全部通过 UL、CSA 和 TUV 认证 可保护电气和电子电路免受过多电流的损害 可通过电气过载或短路快速从低电阻状态切换到极高电阻状态 在纠正故障状态及关闭电源后可快速自动重置并返回低电阻状态 ### 特征：可进行数千次自动自身重置 免维护 小型号，无需熔丝座 ### 主要应用：保安系统 电源和变压器 电源开关器件 汽车和医疗设备 仪器仪表和控制 计算机和外围设备 音频视频和电讯
Tyco Electronics’ PolySwitch radial-leaded products represent the most comprehensive and complete set of PPTC products available in the industry today.
• RGEF series for hold currents up to 14A
• RHEF series for flatter thermal derating and operating temperatures up to 125°C
• RUEF series for balance of voltage rating 30V and hold current up to 9A
• RUSBF series for fast time-to-trip and low-resistance computer applications
• RTEF series for IEEE-1394 applications
• RXEF series for low hold currents down to 50mA and high voltage rating up to 72V
• RKEF series for balance of voltage rating 60V and hold current up to 5A
• BBRF series for cable telephone applications
• Now offering RoHS versions of all products
