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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BZT52C3V3S 是一款面向低功耗、体积受限电路的独立式稳压(二极管)元件,由 FOSAN(富信)提供,封装为 SOD-323。器件以 3.3V 标称稳压值为目标,适用于小电流基准、局部稳压及过压钳位场合,兼具成本低、封装小的优点。
注:最大稳压电流可由 Pd / Vz 粗略计算,理论上 Iz_max ≈ 200 mW / 3.3 V ≈ 60 mA。但在 SOD-323 这类小封装下,连续工作时应充分考虑 PCB 散热与结温上升,实际允许的稳压电流需按厂方热阻及温升曲线进行降额。
典型应用包括:低功耗基准电压、ADC 参考、传感器前端供电钳位、过压保护/浪涌钳位、逻辑电平钳位和小型低成本电源模块中的局部稳压元件。
BZT52C3V3S 适合对成本、空间敏感且稳压精度要求不高的低功耗方案。若需要更低动态阻抗或更高功率,建议选用功率更高、热阻更低的封装或精密参考源(低 Zzt、低温漂的专用基准)。
总结:BZT52C3V3S 在小型化、低成本的电子产品中是一个常见且实用的 3.3V 稳压选项,适合做低功耗的参考与钳位。设计时重点关注热降额与工作电流选取,以保证长期稳定与可靠。
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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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