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SEMTECH UCLAMP1871P.TNT UCLAMP1871P
Configuration
1 options
Configuration
23+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- SEMTECH UCLAMP1871P.TNT
- Type
- SEMTECH
- Unit
- Electronic Component
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- SEMTECH
- Electronic Component
- UCLAMP1871P.TNT
- Electronic Component
- 1
- Package
- SGP1610N2
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.001g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 225pF
- Electronic Component
- BM0264595054
- Voltage
- 45V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 100nA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
UCLAMP1871P.TNT 产品概述
一、产品简介
UCLAMP1871P.TNT 为单路瞬态电压抑制二极管（TVS），设计用于对抗瞬态过电压与静电放电。器件基于 SEMTECH SGP1610N2 的关键参数，提供稳定的浪涌钳位与低漏电特性，适合工业总线、电源输入和接口保护场景。
二、主要参数（典型值）
- 反向截止电压 Vrwm：18 V
- 击穿电压 VBR：22 V
- 钳位电压（Ipp 浪涌，8/20µs）：45 V
- 峰值脉冲电流 Ipp（8/20µs）：35 A
- 峰值脉冲功率 Ppp（8/20µs）：1.5 kW
- 反向电流 Ir：100 nA（在 Vrwm）
- 结电容 Cj：225 pF
- 通道数：单路
- 封装：SGP1610N2
- 符合标准：IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）、IEC 61000-4-5（浪涌）
三、性能特点
- 有效抑制高能量 8/20µs 浪涌，钳位电压受控，保护下游器件免受过压损伤。
- 低静态漏电（100 nA），适合对静态功耗敏感的电路。
- 较高结电容（225 pF）提示此器件更适用于电源线或低速信号线保护，而非高速差分数据链路。
- 单通道、紧凑封装，便于在 PCB 接口或输入端紧邻布置。
四、典型应用
- 电源输入（DC 供电线）浪涌保护
- 工业控制总线与传感器接口保护
- 通讯端口与外部连接器的防护（非高速差分）
- 车载或恶劣环境下的瞬态过电压防护（需结合系统级设计验证）
五、设计与使用建议
- 将 TVS 放置在靠近受保护端口或连接器位置，走线尽量短且粗，减小寄生电感。
- 对于多次冲击或更高能量需求，可并联匹配的限流元件（如熔断器、热敏电阻）或选择更高 Ppp 额定的器件。
- 若用于高速信号线，需权衡 225 pF 的结电容对信号完整性的影响，必要时选择低电容型号或把 TVS 放在次级保护位置。
- 考虑 PCB 散热和热阻，确保在浪涌事件中器件不会因热聚集而退化。
六、可靠性与合规
UCLAMP1871P.TNT 满足 IEC 61000-4-2/4-4/4-5 等电磁兼容测试要求，可在常见的静电放电、快速瞬变脉冲与浪涌冲击场景下提供保护。推荐在最终系统中进行实测验证，包括浪涌能量、重复冲击与温度循环下的可靠性评估。
总结：UCLAMP1871P.TNT 为一款面向电源与接口保护的高能量单路 TVS 器件，具有良好的浪涌抑制能力和低漏电特性，适合工业与通用电子设备的瞬态防护。
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