Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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TCC0402COG1R6C500AT是国内老牌元器件厂商CCTC(三环) 推出的一款0402封装高频稳定型贴片多层陶瓷电容(MLCC),针对对温度稳定性、容值精度要求严苛的电子电路设计,核心参数为1.6pF标称容值、50V直流额定电压,采用C0G(NP0)介质材质,兼具小体积与高可靠性,广泛适配射频通信、可穿戴设备等领域。
该产品属于C0G类MLCC,区别于X7R、Y5V等温度系数较大的陶瓷电容,C0G介质通过正负温度系数抵消实现超宽温度范围内的容值稳定,是射频、精密测量等场景的首选电容类型。0402封装(英制代码,对应公制尺寸1.0mm×0.5mm)满足小型化电子设备的高密度贴装需求,50V直流额定电压覆盖中低压电路的常规工作场景,无需额外降额即可稳定运行。
C0G介质的温度系数≤±30ppm/℃,以1.6pF容值为例,在-55℃~+125℃的温度范围内,容值变化量仅约0.0086pF(1.6pF×30e-6×180℃),几乎可忽略不计。这一特性可避免温度波动导致的电路阻抗匹配偏移、信号失真,尤其适合射频前端、精密传感器等对容值精度敏感的场景。
低介质损耗(tanδ≤0.0002)和高谐振频率(1.6pF电容的谐振频率约为10GHz以上),使其在射频(RF)、微波(MW)电路中表现出色,可有效减少信号能量损耗,提升无线通信的传输效率与稳定性。
0402封装体积仅为1.0mm×0.5mm×0.5mm(典型厚度),比0603封装体积缩小约60%,可显著提升PCB板的贴装密度,适配智能手机、智能手表等小型化电子设备的紧凑设计需求。
三环作为国内MLCC龙头厂商,该产品通过多重可靠性测试:
CCTC(三环)成立于1956年,是国内最早从事陶瓷电容研发生产的企业之一,产品覆盖从民用级到工业级、汽车级全系列MLCC,年产能超1000亿只。TCC0402COG1R6C500AT采用三环自主研发的C0G介质配方,生产过程全程自动化管控,每批次产品均经过100%电性能测试,可提供完整的质量追溯报告,满足客户的量产与定制需求。
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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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