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.
TCC0402COG820J500AT是三环电子(CCTC)针对高频精密电路推出的0402封装MLCC,核心定位为“小型化+高稳定”,核心参数明确:
极致温度稳定性
C0G介质的温度系数≤±30ppm/℃,在-55℃~125℃全温区范围内,容值变化不超过±0.03%(对比X7R类容值变化可达±15%),完全适配射频、精密模拟电路对容值漂移的严苛要求。
低损耗与高频兼容
介质损耗角正切值(tanδ)≤0.15%(1kHz条件下),适合2.4GHz、5GHz等高频信号传输,可用于滤波器、振荡器的耦合/去耦环节,信号损耗极小。
高可靠性与无极性
采用镍基电极(符合RoHS环保标准)+多层陶瓷叠层结构,无极性设计简化电路布线;长期工作下容值漂移≤±1%(1000小时高温负载测试),抗电涌能力满足IEC 60384-14标准。
小型化集成优势
0402封装体积仅为0.04×0.02英寸,适配智能手机、可穿戴设备、IoT终端等高密度贴装需求,可有效缩小电路板面积。
三环电子针对该产品采用高精度叠层工艺:
该产品因“小型化+高稳定”特性,广泛应用于以下领域:
该产品凭借高稳定、小型化特性,成为消费电子与通信领域高频电路的主流选型之一,适配多数中高端电子设备的设计需求。
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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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