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.
ERJ2RKF1822X是松下(PANASONIC)针对小型化、高可靠电路设计推出的0402封装厚膜片式电阻,兼顾精度、温漂特性与环境适应性,广泛覆盖消费电子、汽车电子、IoT等领域的低功耗电路需求。
该电阻属于松下ERJ2RKF系列核心型号,基础属性明确:
ERJ2RKF1822X的参数匹配主流低功耗电路设计,关键指标如下:
参数项 规格值 实际意义 标称阻值 18.2kΩ 四位编码对应,满足信号匹配、分压网络的阻抗需求 精度等级 ±1% 适用于多数模拟电路(如放大器增益设定、滤波网络),无需额外校准 额定功率 62.5mW(@70℃)/100mW(@25℃) 0402封装厚膜电阻的典型功率范围,覆盖IoT传感器、便携设备的低功耗场景 最大工作电压 50V 不超过该值可避免击穿,保证长期可靠工作 温度系数(TCR) ±100ppm/℃ 每摄氏度阻值变化±100ppm,125℃时漂移约±0.27%,宽温下性能稳定 工作温度范围 -55℃~+155℃ 工业级宽温,适配汽车发动机舱(-40~125℃)、户外IoT设备等极端环境该电阻的小封装、宽温特性使其适配多类场景:
相比同类0402封装电阻,ERJ2RKF1822X具备以下核心优势:
该电阻的可靠性设计针对恶劣环境:
ERJ2RKF1822X通过平衡小型化、精度与可靠性,成为小型化电子设备的高性价比厚膜电阻选择,尤其适合对封装尺寸、温漂特性有严格要求的场景。
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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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