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
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松下ERJ2RKF1801X是一款专为高密度电子设计打造的0402封装厚膜片式电阻,凭借稳定的电气性能、宽温适应性及紧凑尺寸,广泛应用于消费电子、工业控制、汽车电子等领域。以下从核心参数、结构特性、性能优势等维度展开详细概述。
ERJ2RKF1801X属于松下ERJ系列厚膜片式电阻,聚焦小尺寸、高可靠性需求设计,核心参数明确:
采用0402英制封装(对应公制1005,即1.0mm×0.5mm),是小型化电子设备的核心选择,可显著提升PCB布线密度,适配手机、智能穿戴等便携产品。
产品基于厚膜丝网印刷工艺制造,核心结构包括:
±1%精度满足多数中精度电路需求;厚膜工艺的长期稳定性优异,经负载寿命试验(125℃、额定功率下1000小时) 后,阻值变化率通常≤0.5%,可靠性远超一般电阻,可降低电路后期维护成本。
100mW功率等级适配多数低功耗电路(如传感器接口、LED驱动辅助电路);陶瓷基底的热导率(约20W/m·K)提升了散热效率,避免局部过热导致的阻值漂移,延长产品寿命。
±100ppm/℃的TCR确保在-55℃~+155℃范围内阻值稳定,例如在汽车发动机舱(典型温度120℃左右)或工业高温环境中,电路性能不受温度波动影响,保证信号传输准确性。
工作温度范围覆盖-55℃~+155℃,符合汽车电子(AEC-Q200)、工业控制(IEC 60068)等标准的环境要求,可在极端温度下持续稳定工作。
ERJ2RKF1801X的紧凑尺寸与稳定性能使其适配多领域:
ERJ2RKF1801X作为松下成熟的厚膜片式电阻,以高性价比、稳定可靠的特性,成为中小功率电子设计的优选组件,可满足多数工业与消费电子的性能需求。
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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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