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
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HCI 049SS2-12.000F18DTNJL是杭晶电子(HCI)推出的工业级贴片石英晶振,专为需要稳定时钟信号的嵌入式系统、工业控制及消费电子设备设计。型号中:「049SS2」代表HC-49S-SMD封装系列,「12.000F」明确标称频率12MHz,「18DTNJL」包含负载电容18pF、宽温范围等核心参数定义,是数字电路中高性价比的时钟源选择。
该晶振的核心参数覆盖精度、稳定性及适配性,具体如下:
频率与精度
标称频率为12MHz(数字电路通用时钟频率),常温(25℃)下频差±10ppm(即实际频率偏差≤±120Hz),满足单片机、FPGA等设备对时钟精度的基本要求,无需额外校准即可稳定工作。
全温频率稳定度
工作温度范围为**-40℃~+85℃(工业级标准),全温范围内频率稳定度±30ppm**(最大偏差≤±360Hz),可适配户外传感器、车载电子等高低温场景,无需额外温控措施。
负载电容与ESR
采用HC-49S-SMD贴片封装,尺寸约为10.5mm(长)×4.5mm(宽)×3.5mm(高),具备以下优势:
12MHz是数字电路的通用频率,结合该晶振的宽温特性与贴片封装,主要应用于:
HCI 049SS2-12.000F18DTNJL贴片晶振凭借12MHz通用频率、±30ppm宽温稳定度、18pF负载电容及HC-49S-SMD封装,成为嵌入式、工业控制等领域的高性价比时钟源。产品兼顾可靠性与生产适配性,适合各类需要稳定时钟信号的设备设计。
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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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