真正高功率TVS管,最大峰值脉冲电流达600A
电路在遭雷击和在接通、断开电感负载或大型负载时常常会产生很高的操作过电压,这种瞬时过电压(或过电流)称为浪涌电压(或浪涌电流),是一种瞬变干扰。电子系统额定工作电压瞬时升高,其幅度达到额定工作电压的几倍~几百倍。电压浪涌可能引起通信系统的数据失真和丢失,甚至造成电子设备损坏。产生电压浪涌的原因有:雷击、设备开关、静电放电和线路故障。雷击发生的频率相对其它原因要少得多,但危害最大。
作为过压保护防浪涌元件之一的TVS管,响应时间足够短,但泄流能力往往不够大。目前, 全球电路保护领域的领先企业LITTELFUSE,推出了LTKAK6系列瞬态抑制二极管新产品系列,最大峰值脉冲电流可达600A。
LTKAK6系列凭借Littelfuse Foldbak技术,可提供优于标准硅雪崩二极管(SAD)技术的卓越箝位特性。因此,任何电流传导所导致的升压都能被控制在最低程度,从而提供最佳的保护。此外,还可将该元件串联和/或并联,从而创造出具有各种功能并能提供灵活保护的解决方案。
LTKAK6最大反向漏电流为10μA,能提供最大的反向工作电流76V,反向击穿电压85V。以极快的速度将器件两端间的阻抗值拉低,可吸收瞬间大电流高达600A,从而吸收高达数百千瓦的浪涌功率,能有效地保护设备免受高压尖峰脉冲的冲击。
相比当前AK TVS系列中的产品,LTKAK6S提供表面贴装式SMTO-218封装,可帮助电路设计师节省更多电路板空间,易于生产并实现紧凑的机械设计。这种表面贴装型封装是自动快速贴装以及回流焊加工的理想选择,相比轴向引线封装可降低制造成本并提高焊接质量。
LTKAK6功能与特色:
• 创新封装设计((正在申请专利))
• 采用SMT封装设计,适合自动快速贴装以及回流焊工艺
• 出色的浪涌保护,6kA浪涌性能(8x20µs波形)
• 低箝位电压和斜率电阻
• Foldbak技术可提供卓越的箝位特性,支持超低箝位电压 精准的击穿电压
• 经过认证、环保、适合全球范围内使用 符合RoHS标准
• 符合IPC/ JEDEC J-STD-609A.01规定的第2级无铅互连元件
LTKAK6的应用:
• 手机通讯基站
• 工业TVSS
• 铁路(铁轨)轨道信号和控制室
• 国防与航空电子
• 电网和配电系统
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饮水者 Lv8. 研究员 2018-03-06不错
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电子商城
品牌:LITTELFUSE
品类:Transient Voltage Suppression Diodes
价格:¥210.7255
现货: 0
现货市场
服务
可定制射频隔离器/环行器(10M-40GHz),双工器/三工器(30MHz/850MHz-20GHz),滤波器(DC-20GHz),功分器,同轴负载,同轴衰减器等射频器件;可定制频率覆盖DC~110GHz,功率最高20KW。
最小起订量: 1 提交需求>
测试等级:空气放电30KV±5%;接触放电30KV±5%,适用标准:GB/T 17626.2、IEC61000-4-2、ISO10605、GB/T 19951;给用户产品出电路保护设计方案建议及整改。点击预约,支持到场/视频直播测试,资深专家全程指导。
实验室地址: 深圳/上海 提交需求>
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