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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HXY MOSFET(华轩阳电子)推出的7805 固定输出线性稳压器,采用常见的 TO-220 封装,面向需要稳定低噪声 5V 电源的工业与消费类应用。器件设计支持最大 1A 输出电流,适合单路供电场景,具有较好的电源纹波抑制能力与低输出噪声,适配多种标准电源输入环境。
线性稳压器的功耗由压降与负载电流决定:Pd = (Vin - Vout) × Iout。举例:若 Vin=12V、Vout=5V、Iout=1A,则 Pd=7W,需要合适散热措施。TO-220 封装可通过背部金属片连接散热片或直接焊接至金属基板降低结壳热阻,建议在高负载或高环境温度下计算结温并选配合适散热片。
TO-220 三引脚封装,常见正面(标记面)从左至右为:Input、GND、Output。接线顺序可能因品牌略有差异,安装前请以实物或厂商规格书为准。金属背板可作为散热面,与地或散热片绝缘时需注意绝缘处理。
总结:HXY MOSFET 的这款 7805(TO-220)为需要稳定低噪 5V 输出且具中等功率(1A)能力的应用提供了可靠选择。在实际设计中,应综合考虑输入电压范围、功耗散热及外部去耦以确保长期可靠运行。
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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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