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.
ERJ2RKF3243X是松下(PANASONIC)推出的小型化厚膜贴片电阻,聚焦对体积、精度和环境适应性有明确要求的电子设计,属于工业级通用型电阻。其核心参数完全匹配0402封装的性能边界,具体如下:
该电阻采用0402封装(英制代码,对应公制1.0mm×0.5mm),物理尺寸符合行业标准:
封装基片选用氧化铝陶瓷(Al₂O₃),兼具导热性与机械强度;终端电极采用银钯(Ag-Pd)合金+镍(Ni)镀层,适配无铅回流焊、波峰焊工艺,焊接后无开路/短路风险,且符合RoHS 2.0、REACH等环保标准(无铅无卤)。
±1%的精度确保电路中分压、偏置等功能的一致性,避免信号失真;长期工作下阻值漂移极小——155℃高温存储1000小时后,阻值变化≤±0.5%,满足批量生产的一致性要求。
100mW额定功率支持连续负载,实际工作需同时满足两个限制:
±100ppm/℃的TCR意味着温度每变化1℃,阻值变化±0.01%。以工作温度范围为例:从25℃(常温)到155℃(高温),阻值最大变化约±1.3%,仍在精度允许范围内,适合温度波动较大的场景。
ERJ2RKF3243X具备较强的环境耐受能力,通过多项可靠性测试:
基于体积小、精度高、宽温适应性的特点,该电阻主要应用于:
松下作为全球电子元器件龙头,ERJ2RKF系列电阻经过严苛验证:
该产品以高性价比平衡了体积、精度与环境适应性,是小型化电子设计的可靠选择。
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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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