【产品】首款可处理600V 40Arms和150°C结温的SCR晶闸管

时间： 2017-07-13 来源：Littelfuse

技术问答

LITTELFUSE公司作为全球电路保护领域的领先企业，今天推出了40A系列标准高温硅控整流器（SCR）晶闸管，适合用作整流器和相位控制应用的开关，例如电压调节器、加热和电机速度控制。全新SJxx40x系列是Littelfuse首款能够处理600V、40Arms和高达150°C结温的SCR晶闸管。

SJxx40x系列旨在避免SCR因设备有限的冷却能力或偶尔的过载情况而引起的过热和热失控问题。其在低于1.5V的条件下，可由几毫安的电流触发。

SJxx40x系列SCR晶闸管的典型应用包括用于各种最终用途的整流器，包括交流固态开关、工业电动工具、运动器材、白色家电和商用电器。

“SCR晶闸管能够在更高的温度下工作，这可最大限度地降低条件苛刻的应用中不受控的温度升高风险，帮助面对有限冷却能力的设计师克服难题。”Littelfuse业务开发经理Koichiro Yoshimoto表示，“改用全新SJxx40x系列产品将能够处理更高电流，或采用较小的散热器处理相同的功率。”

SJxx40x系列SCR晶闸管提供下列关键优势：
• 能够在因高达150°C的结温（TJ）造成冷却能力有限的情况下处理高负载电流和偶然的过载。
• 可提供TO-220AB和TO-263封装，以支持灵活的安装选择，简化设备设计。
• 高达40Arms的通态电流（IT）让SJxx40X能够处理更高的负载电流。
• 较高的额定电压随着时间的推移而变化（dv/dt），使SJxx40X能够耐受商用交流电源线中常见的更高线路噪音和浪涌。

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watson Lv7. 资深专家 2018-03-06

不错的东西
风一样的男子 Lv6. 高级专家 2017-12-19

不错哦
自强 Lv7. 资深专家 2017-11-23

不错，收藏了
espar Lv4. 资深工程师 2017-11-07

好
一头笨牛 Lv8. 研究员 2017-10-29

学习

没有更多评论了

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