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.
ERJ3EKF5110V是松下推出的精密级厚膜贴片电阻,针对对阻值精度、温度稳定性及小体积有严格要求的电子电路设计,核心定位为“高性价比精密小型化电阻”。其核心特性可概括为:
额定阻值为511Ω,精度等级为±1%,远高于普通贴片电阻(±5%)。该精度可直接应用于需要准确分压、电流采样的电路(如传感器信号放大、电源反馈回路),无需额外校准。
温度系数(TCR)为**±100ppm/℃**,表示每变化1℃,阻值变化率为±100×10⁻⁶。以最大温差(155℃-25℃=130℃)计算,阻值最大漂移为±1.3%,仍处于±1%精度的容差范围内,保证宽温下的性能稳定。
覆盖**-55℃~+155℃**,符合工业级温度标准,可在低温(如寒冷地区户外设备)、高温(如汽车发动机舱、工业炉旁电路)环境下长期可靠工作。
采用英制0603封装(公制1608,尺寸0.6mm×0.3mm),体积小、重量轻,适合智能手机、智能穿戴、小型工业模块等高密度PCB设计,有效节省板级空间。
ERJ3EKF5110V的特性使其广泛应用于以下领域:
ERJ3EKF5110V作为松下精密厚膜贴片电阻,以高精度、宽温稳定、小体积为核心优势,适配多领域的电子电路设计需求,兼具可靠性与成本效益,是工业、消费、汽车等行业的优选电阻元件。
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Use the form for single models, category sourcing, and multi-line BOM requirements.
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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