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.
MOLEX 643221019是一款专为21-24AWG线缆设计的压接式触头,属于ST Cable Mount系列,采用卷轴包装,广泛应用于低压电路的线束连接场景。作为MOLEX旗下的通用型触头产品,其在成本控制、安装效率与接触可靠性上实现了平衡,是电子设备内部线束连接的常用选择。
643221019属于压接型无焊触头,无需焊接即可实现线缆与触头的可靠连接,适合自动化装配线的批量生产。其定位为低压通用型触头,覆盖21-24AWG线规(对应导体截面积0.22~0.44mm²),主要用于消费电子、工业控制、小型汽车辅助系统等场景的内部线束连接,不涉及高压或大电流应用。
该触头的核心参数直接决定了其适配性与应用范围,具体如下:
触头的材料与结构是保证连接可靠性的核心:
643221019适合以下低压连接场景:
需注意:643221019不适合大电流(>5A)或高压(>250V)应用,选型需结合电路参数确认。详细尺寸与认证可参考MOLEX官方手册。
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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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