Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
SEMTECH UCLAMP3311T.TCT UCLAMP3311T
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- SEMTECH UCLAMP3311T.TCT
- 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
- UCLAMP3311T.TCT
- Electronic Component
- 1
- Package
- SLP1006-2
- 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
- 5pF
- Electronic Component
- BM0228060582
- Operating Temperature
- 40℃~+85℃
- Voltage
- 8V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
UCLAMP3311T.TCT 产品概述
UCLAMP3311T.TCT 是 SEMTECH 推出的单路双向瞬态电压抑制二极管（TVS），封装为 SLP1006-2，专为对抗静电放电（ESD）与快速脉冲干扰设计，适用于对信号完整性和低电容要求较高的接口保护场合。
一、主要特性
- 极性：双向（Bi-directional），可同时抑制正向和负向瞬态脉冲。
- 工作电压（Vrwm）：3.3V，适配基于 3.3V 电平的通信与数据接口。
- 钳位电压：8V（在 8/20μs 测试条件下），在尖峰冲击时有效限制电压峰值以保护后级器件。
- 峰值脉冲电流（Ipp）：5A @ 8/20μs；峰值脉冲功率（Ppp）：40W @ 8/20μs，具备较强的瞬态能量吸收能力。
- 击穿电压（Vbr）：4.3V；反向漏流（Ir）：10nA（典型），低漏电有利于高阻抗电路的长期稳定性。
- 结电容（Cj）：5pF，适用于高速信号线，降低信号畸变与带宽损失。
- 工作温度范围：-40℃ 至 +85℃，适应常见工业与商业环境温度要求。
- 防护等级：符合 IEC 61000-4-4（快速瞬变）与 IEC 61000-4-2（静电放电）标准。
二、典型应用场景
- 串行接口与通信线路（如 UART、I2C、SPI、CAN 等）在 3.3V 电平下的输入/输出保护。
- 快速数据总线与差分信号线保护，适用于对电容敏感的高速信号链路。
- 工业控制、物联网终端、消费电子以及便携设备的外部接口防护（例如以太网 PHY 边缘、USB 周边保护等）。
三、封装与布局建议
- 封装：SLP1006-2，体积小巧，适合空间受限的 PCB 布局与自动贴装流程。
- 布局建议：将 TVS 靠近需保护的接口或连接器放置，最短回流路径连至地（GND），避免长走线与环路，以提高防护效率并降低干扰耦合。对于双向器件，确保方向与信号线匹配并留出合适焊盘热量散发空间。
四、可靠性与选型注意
- 本器件在标准温度范围内工作稳定，低漏电与小结电容有利于长时间在线可靠性。
- 选型时确认 Vrwm 与系统正常工作电压匹配（此器件为 3.3V 等级），并评估系统可能承受的脉冲能量以保证器件的能量吸收能力足够。
- 如应用存在更高能量或更严苛温度需求，请结合系统级浪涌分析或咨询厂商以确认是否需并联或选用更高功率等级产品。
五、结论
UCLAMP3311T.TCT 以其 3.3V 工作电压、8V 钳位、5A/40W 的瞬态抑制能力以及 5pF 的低结电容，提供对高速信号接口与敏感电路的有效保护。其小型 SLP1006-2 封装与符合 IEC 抗扰标准的性能，使其成为消费类、工业与通信设备中常见的可靠防护方案。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
1 Piece Integrated Circuit for IRS20124S IRS21956S SOP-20 IRS2453DS SOP-14
- Model
- IRS20124S
- Package
