Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ERJ2RKF4533X是松下(PANASONIC)推出的一款常规精度厚膜贴片电阻,针对高密度PCB设计与中等精度需求场景优化,具备稳定的电气性能与宽温适应性,广泛应用于消费电子、工业控制等领域。
该电阻的关键参数覆盖电气、机械与环境维度,清晰明确:
ERJ2RKF4533X采用厚膜电阻工艺,是贴片电阻中应用最广泛的工艺之一,核心优势在于:
±1%的精度可满足多数电路的阻值匹配需求(如信号分压、偏置电路、滤波网络)。常温(25℃)下,阻值偏差控制在453kΩ±4.53kΩ范围内,可避免因阻值偏差导致的电路性能波动。
±100ppm/℃表示每变化1℃,阻值相对变化±100×10⁻⁶。以工作温度范围为例,-55℃到155℃温差210℃,阻值最大变化量≈9.51kΩ(相对变化约2.1%),可适应多数温度波动场景(如汽车发动机舱的高低温切换)。
0402封装是小型化贴片电阻的主流规格,具备以下特点:
ERJ2RKF4533X的环境适应性覆盖工业级与部分高温场景:
结合参数特点,该电阻的典型应用包括:
松下作为全球知名厂商,ERJ系列产品具备以下优势:
ERJ2RKF4533X凭借平衡的性能、紧凑的封装与可靠的品质,成为中等精度厚膜贴片电阻的优选方案,可满足多领域电路设计需求。
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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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