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SEMTECH UCLAMP3311PQTCT
Configuration
1 options
Configuration
22+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- SEMTECH UCLAMP3311PQTCT
- Type
- SEMTECH
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- SEMTECH
- Electronic Component
- UCLAMP3311PQTCT
- Electronic Component
- 1
- Package
- DFN1006-2L
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.031g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 15pF
- Electronic Component
- BM0265368666
- Voltage
- 18V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-2
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
UCLAMP3311PQTCT TVS二极管产品概述
一、产品定位与核心属性
UCLAMP3311PQTCT是SEMTECH推出的双向瞬态抑制二极管（TVS），专为低电压（3.3V及以下）电子电路的瞬态干扰防护设计。核心定位是在高效抑制ESD、EFT等瞬态过压的同时，通过低结电容平衡电路兼容性，适配对信号完整性有要求的小型化设备。作为单路防护器件，可针对单条信号/电源线路提供快速过压保护，避免敏感元器件因瞬态冲击损坏。
二、关键电气参数深度解析
该器件的核心参数直接决定防护性能与应用适配性，关键指标如下：
- 电压参数：反向截止电压（Vrwm）3.3V，精准匹配主流低电压系统；击穿电压（Vbr）3.5V，确保正常工作时处于截止状态，不干扰电路功能；钳位电压（Vc）18V，瞬态过压时快速钳位至安全范围，保护后端器件。
- 电流与功率：峰值脉冲电流（Ipp）5A（8/20μs波形），峰值脉冲功率（Ppp）90W，可应对常见强度瞬态冲击；反向漏电流（Ir）仅1μA，低漏电流降低静态功耗，提升系统能效。
- 结电容特性：结电容（Cj）15pF，属于TVS器件中低电容范畴，可减少对10-100Mbps速率信号（如I2C、UART）的传输干扰。
三、防护性能与标准合规性
UCLAMP3311PQTCT满足国际电磁兼容标准，可有效应对两类典型瞬态干扰：
- ESD防护：符合IEC 61000-4-2标准，可承受接触放电（典型±8kV）与空气放电（典型±15kV），避免静电对敏感电路的损坏。
- EFT防护：满足IEC 61000-4-4标准，抑制快速瞬变脉冲群对电路的干扰，防止系统误触发或元器件失效。 此外，双向防护特性无需区分线路极性，简化电路设计与焊接工艺。
四、封装特性与适用场景
该器件采用SLP1006P2超小型封装，尺寸约1.0mm×0.6mm×0.5mm，具备以下优势：
- 体积小、重量轻，适配便携式设备的小型化需求；
- 表面贴装工艺兼容自动化生产，降低组装成本。
典型应用场景：
- 消费电子：智能手机、平板电脑、可穿戴设备的信号接口与电源防护；
- IoT设备：传感器节点、蓝牙/ZigBee模块的接口防护；
- 工业控制：低电压PLC、传感器接口的瞬态干扰防护；
- 车载辅助系统：USB接口、仪表盘低电压线路防护（需结合环境验证）。
五、品牌与可靠性保障
UCLAMP3311PQTCT由SEMTECH出品，该品牌是全球知名保护器件供应商，可靠性优势显著：
- 工艺成熟：采用先进半导体制造工艺，保证参数一致性与稳定性；
- 测试完善：经过高温、高湿、振动等可靠性测试，满足长期使用要求；
- 技术支持：提供电路设计参考，帮助客户快速落地防护方案。
该器件凭借平衡的防护性能与小型化设计，成为低电压电路瞬态防护的高性价比选择。
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