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.
WR04X1212FTL是华新科(Walsin) 推出的0402封装厚膜电阻,属于WR04X系列(针对小功率精密应用的厚膜电阻线),核心参数明确且适配常规电子设计需求:
核心属性 具体参数 关键说明 阻值/精度 12.1kΩ ±1% 符合E96精密阻值系列,满足信号调理精度需求 额定功率 1/16W(62.5mW) 适用于小功率信号/辅助电源电路 额定工作电压 50V 需结合功率降额(实际电压需≤27.7V) 温度系数(TCR) ±100ppm/℃ 温度每变1℃,阻值漂移≤0.0121Ω 工作温度范围 -55℃~+155℃ 覆盖工业级、消费电子宽温场景 封装尺寸 0402(英制,对应公制1005) 1.0mm×0.5mm,适配高密度PCB设计华新科采用厚膜丝网印刷烧结工艺,平衡了成本与性能,核心设计优势包括:
WR04X1212FTL的参数特性使其适配多类电子领域,核心应用方向包括:
本产品通过多项可靠性测试,满足长期使用需求:
WR04X1212FTL以平衡的成本、可靠的性能与小型化设计,成为消费电子、工业控制等领域的常用精密厚膜电阻选择,适配绝大多数小功率精密电路的需求。
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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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