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.
SC0805J2204F4ANRH是信维通信(Sunway) 推出的工业级厚膜贴片电阻,采用标准0805封装,专为高阻抗信号处理、电源分压及一般工业控制场景设计。型号命名逻辑清晰:
该产品兼顾成本优势与稳定性能,适配SMT自动化生产,是中低端电子设备的高性价比被动元件选择。
标称阻值2.2MΩ,精度±5%,满足大多数非精密信号调理、分压电路的基础需求,无需额外校准即可实现功能。
额定功率125mW,0805封装下可稳定承载常规小功率信号。实际应用建议降额至80%(≤100mW),避免过热导致阻值漂移或失效。
额定工作电压150V,为高阻抗电阻提供充足电压裕量(击穿电压约300V以上),可避免高电压下击穿风险。
±100ppm/℃,即温度每变化1℃,阻值漂移±0.01%。以2.2MΩ为例,100℃温度变化下漂移约22kΩ,远小于±5%精度范围(±110kΩ),温漂影响可控。
厚膜工艺无电感效应,适合高频信号环境(如射频辅助电路),避免电感干扰。
标准0805封装(2.0mm×1.25mm×0.5mm),符合IPC-J-STD-020标准,适配主流SMT贴片机,生产效率高。
采用厚膜丝网印刷工艺:在氧化铝陶瓷基板上沉积电阻浆料,经烧结、激光调阻而成,具有以下特点:
两端焊盘采用镍-金镀层(Ni/Au),焊接兼容性强,可通过回流焊、波峰焊实现可靠连接,焊点强度符合IEC 60068-2-20振动测试要求。
-55℃+155℃,覆盖**工业级(-40+85℃)** 及部分高温场景(如汽车发动机舱周边、电源模块内部),远超普通消费级电阻(0~+70℃)。
在40℃/90%RH环境下连续工作1000小时,阻值变化≤±1%,满足潮湿地区或高湿度应用需求(如户外传感器设备)。
通过振动(10~2000Hz,加速度2g)、冲击(100g,11ms)测试,符合GJB 2440标准,可用于车载、工业机器人等振动环境设备。
信维通信作为国内射频与被动元件龙头企业,该产品可靠性经多重验证:
该产品以稳定性能、宽温适应性及成本优势,成为工业控制、消费电子等领域的实用选择,可满足多数中低端电子设备的被动元件需求。
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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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