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.
MMA02040C7500FB300 是 VISHAY(威世)推出的一款薄膜(Thin Film)MELF 型贴片电阻,阻值 750 Ω,精度 ±1%,温度系数(TCR)±50 ppm/℃,工作温度范围 -55℃ 至 +155℃。该型号为耐硫化(Sulfur Resistant)特殊处理,面向汽车级与工业级应用,并符合 AEC‑Q200 可靠性规范,采用带孔托盘或卷盘(T/R)包装,便于 SMT 生产。
选择本型号时应确认实际功率消耗与环境温度是否在器件允许范围内;若需更高功率或不同封装,可联系供应商或查询 VISHAY 系列产品矩阵。对于对成本敏感但对耐硫化需求不高的场合,可考虑同阻值的 SMD 贴片电阻替代,但需权衡性能与可靠性。
MMA02040C7500FB300 以薄膜工艺、良好的温度稳定性与耐硫化性能为特点,结合 MELF‑0204 封装和 AEC‑Q200 认证,使其在汽车与工业级精密应用中具有很强的适用性。选用时关注 PCB 散热与贴装工艺,可充分发挥其长寿命与高可靠性的优势。若需最终参数或样片测试,建议参考 VISHAY 官方规格书与样品数据。
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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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