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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BL8071GCLATR33 是贝岭(BELLING)推出的一款固定输出型线性低压差稳压器(LDO),输出电压为 3.3V,单通道设计,封装为 SOT-223。器件面向对噪声、纹波抑制及低静态电流有要求的嵌入式与工业应用,可提供高达 1.5A 的输出电流,并内置过流保护与热关断功能,工作环境温度范围为 -40℃ 至 +85℃(Ta)。
SOT-223 封装体积小、散热面较大,适合板上热量通过铜箔扩散处理。典型引脚排列为 IN、GND、OUT(具体引脚与封装图请参考厂商资料)。推荐在 PCB 设计时在引脚周围建立较大的散热铜箔区域并打通热 VIAs 以提升散热能力。
线性稳压器的功耗等于 (Vin - Vout) × Iout。例如在 Vin = 6V、Vout = 3.3V 且 Iout = 1.5A 时,耗散功率约为 4.05W。对 SOT-223 封装而言,这一功耗在无额外散热时会导致器件温升显著,因此在高电流工作条件下必须考虑:
如需器件封装图、热阻参数或典型应用电路图,请参考 BL8071GCLATR33 的完整数据手册或联系供应商获取详细资料。
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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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