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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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XC53G2-8.000-F20LJDT是HCI杭晶推出的一款无源贴片晶振,属于XC53G系列核心型号,采用SMD5032(5.0×3.2mm) 超小型贴片封装,2引脚设计,专为小型化、高可靠性电子设备的时钟源需求优化。型号中:
该晶振的参数围绕频率精度、稳定性、环境适应性三大维度设计,具体解析如下:
XC53G2-8.000-F20LJDT针对小型化、成本敏感型应用优化,具备以下核心优势:
SMD5032封装仅为传统DIP封装的1/3左右,可大幅节省PCB空间,尤其适合智能穿戴、IoT节点等小型化设备。
-40℃~+85℃的工作范围覆盖了绝大多数户外、工业场景,±30ppm的频率稳定度确保温度变化时系统时钟的一致性,避免数据传输错误或控制逻辑偏差。
无源晶振无内置振荡电路,仅由石英晶体谐振器构成,抗电磁干扰(EMI)能力更强,且无有源器件的老化问题,长期可靠性高于有源晶振。
8MHz是STM32、ATmega等MCU,以及CC2541蓝牙模块、ESP8266 WiFi模块的常用时钟频率,无需额外分频/倍频,降低电路复杂度。
该晶振因参数均衡、体积小巧,广泛应用于以下领域:
为确保晶振正常工作,需注意以下要点:
必须外接15~25pF的匹配电容(PCB寄生电容约5pF),总和接近20pF,否则会导致振荡频率偏移或无法起振。
需选择增益≥ESR对应的损耗(一般要求振荡管跨导与负载电容的乘积满足起振条件),避免因ESR过高导致停振。
SMD5032封装采用回流焊工艺,需遵循IPC标准温度曲线(峰值温度≤260℃,回流时间≤10秒),避免高温损坏晶体。
若应用需更高精度(如±10ppm以下的通信基站、高精度仪器),此型号不满足,需选择HCI的XC7050高精度系列。
XC53G2-8.000-F20LJDT作为一款通用型无源贴片晶振,以均衡的参数、工业级可靠性和超小体积,成为中小批量电子设备时钟源的优选方案,尤其适合对成本敏感且需小型化设计的应用场景。
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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.
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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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