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.
ERJ3EKF1243V是松下(PANASONIC)推出的0603封装厚膜贴片电阻,属于通用型小功率电阻范畴。其核心定位是为对阻值精度、温度稳定性有基础要求,且需高密度PCB布局的电子电路提供经济可靠的阻值匹配方案,广泛适配消费电子、工业控制、通信设备等多领域。
标称阻值为124kΩ,精度标注**±1%**,通过贴片电阻三位数字代码“1243”标识(前两位“12”为有效数字,第三位“3”表示×10³,即12×10³×10=124kΩ)。±1%精度无需额外校准即可满足多数电路的阻值匹配需求(如信号分压、功率分配),避免高精度电阻的成本溢价。
采用0603(英制)/1608(公制)封装,尺寸为1.6mm×0.8mm,体积小、重量轻,适合手机、可穿戴设备、小型通信模块等高密度PCB布局,提升电路集成度。
±1%精度+±100ppm/℃ TC的组合,既满足多数电路对阻值一致性的要求,又避免了高精度电阻的成本浪费,是成本敏感型设计的优选方案。
松下厚膜电阻采用成熟的厚膜印刷工艺,结合严格的生产管控,经温度循环、湿度老化、振动测试等可靠性验证:
产品符合RoHS、REACH等国际环保标准,无铅无镉,适配绿色电子产品设计需求。
该产品由松下电子出品,松下在厚膜电阻领域拥有数十年技术积累,产品通过ISO9001质量管理体系认证,每批次阻值一致性偏差≤0.1%,可满足批量生产的稳定性需求。
ERJ3EKF1243V凭借“小封装、高精度、宽温稳定”的特点,成为电子电路设计中“性能-成本-体积”平衡的经典选择。
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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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