Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TJA1021TK/20/C,118 是恩智浦(NXP)面向车用 LINbus 的单通道收发器,封装为 QFN-8(HVSON 3x3),表面贴装(SMT)类型。该器件为完全版收发器(1 驱动器 / 1 接收器),适配车载总线物理层需求,工作电压范围宽(5.5 V 至 27 V),针对车用环境做了稳健设计。
TJA1021 系列定位为车用单线通信的物理层收发器,典型特性包括总线故障耐受、短路保护、过压/欠压容忍、反向电池与浪涌抑制、总线唤醒功能以及良好的电磁兼容性。接收器具有约 175 mV 的滞后以提高噪声抑制能力,适合车载噪声环境。器件支持常见 LIN 节点用例,如主从节点通信、车身控制网络等。
QFN-8(HVSON 3×3)小体积利于高密度 PCB 布局,适合受限空间的 ECU、传感器与执行器模块。封装为表面贴装,可配合标准回流焊工艺。引脚安排通常包含 Vbat、GND、TX、RX 与 BUS(LIN)等关键引脚,具体引脚定义应参照恩智浦官方资料及器件数据手册进行设计与验证。
TJA1021 系列作为车用收发器,设计针对车载电磁兼容、瞬态浪涌与长期稳定性进行优化。具体的 AEC-Q100 等级、温度范围与认证信息请参见官方文件,以满足车辆整车与电子控制单元(ECU)的可靠性要求。
总结:TJA1021TK/20/C,118 为一款功能全面、耐受性强的单通道 LIN 收发器,适用于多种车载通信节点。实际设计应结合官方数据手册与整车电气规范进行验证与调优。
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Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
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.
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