Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
SEMTECH RCLAMP0544T.TCT RCLAMP0544T
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- SEMTECH RCLAMP0544T.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
- RCLAMP0544T.TCT
- Electronic Component
- 1
- Package
- DFN1910(1x2)
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.035g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 0.3pF
- Electronic Component
- BM0227339099
- Operating Temperature
- 55℃~+125℃
- Voltage
- 15V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；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.
RCLAMP0544T.TCT 产品概述
一、产品简介
RCLAMP0544T.TCT 是 SEMTECH 面向 5V 系统的多通道瞬态电压抑制器（TVS 二极管），用于对工业、通信和消费类电子设备的信号线和电源线提供抗静电放电（ESD）、浪涌（SURGE）与电快速瞬变（EFT）保护。器件采用超小尺寸 DFN1910(1×2) 封装，四路保护通道，适配空间受限且对高速信号要求高的场合。
二、主要规格与特点
- 钳位电压（Vc）：15V（在指定冲击条件下）
- 工作温度：-55℃～+125℃
- 击穿电压（Vbr）：8V；反向截止电压（Vrwm）：5V（适用于 5V 系统）
- 峰值脉冲功率：75W @ 8/20μs；峰值脉冲电流 Ipp：5A @ 8/20μs
- 反向漏电流 Ir：5nA（在 Vrwm 条件下低漏电）
- 结电容 Cj：0.3pF（极低电容，适合高速信号线）
- 通道数：四路，支持多线并行保护
- 符合防护等级：IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）、IEC 61000-4-5（浪涌）
三、优势与典型应用
- 低电容（0.3pF）对高速数据线（如 USB、差分对、SATA 等）干扰小，保持信号完整性；
- 四路设计便于在单封装内保护多根信号线，简化 PCB 布局与成本；
- 75W/5A 的瞬态能力能吸收常见的静电、浪涌与脉冲干扰，提升系统可靠性。
典型应用包括：USB/数据接口保护、工业控制信号线、传感器接口、通信设备 I/O 保护等。
四、布局与使用建议
- 尽量将 TVS 尽可能靠近受保护的连接器或信号入点焊接，减小走线感应环路；
- 保护线到地的回流路径应短且粗，建议在保护脚下方或附近布置盲/过孔直导至接地平面；
- 对高速差分信号，注意匹配差分阻抗及最小化额外电容影响；0.3pF 有利于减少带宽损耗；
- 若系统存在较大连续浪涌或特殊标准要求，可与限流电阻或多级保护方案配合使用。
五、可靠性与认证
RCLAMP0544T.TCT 在器件性能上满足 IEC 61000-4-2/4-4/4-5 等常见抗扰度标准，工作温度范围宽，适合工业级应用。实际设计时应结合系统级和板级测试（如 ESD 位置、通道数量、地平面布局）验证最终产品的抗扰能力。
六、封装与选型要点
- 封装：DFN1910 (1×2 mm) 表面贴装，适合自动化贴装与小型化设计；
- 在选型时注意明确单向或双向 TVS 需求、通道配置及最大工作电压，确认 RCLAMP0544T.TCT 的方向性与实际保护方式一致；
- 留意焊接工艺（回流温度曲线）与 PCB 焊盘设计以保证良好热性能与机械强度。
如需样片、参考电路或器件在特定浪涌/ESD 情况下的钳位特性曲线，可进一步提供使用场景与测试条件，以便给出更具体的设计建议和验证方案。
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.
