Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
HT7550 为单通道固定输出 5V 线性稳压器,突出特点是极低静态电流与在轻载条件下很小的压差。低静态电流(2.5 μA)使其在待机或间歇工作场景下极为节能;SOT-23 小封装便于体积受限的便携设备布局。适用于对噪声要求不高但对静态功耗敏感的传感器节点、低功耗模块和备用电源方案。
SOT-23 小封装有利于体积优化,但热阻较大,热耗散能力有限。工作环境靠近 +85 ℃ 时应考虑额外热裕量与工作电流限制。器件经过 -40 ~ +85 ℃ 工作温度范围验证,适合多数工业级与消费级应用。
选择 HT7550 当且仅当:系统要求固定 5V 输出、最大负载不超过 150 mA、极低静态电流对电池寿命至关重要、且输入与输出电压差通常较小(以减小功耗)。若系统常在高 Vin 或高功耗场景运行,优先考虑开关降压或更高散热能力的线性稳压器。
如需最终电气特性、引脚定义、典型应用电路及准确的热性能,请下载 TWGMC 官方数据手册或联系供应商获取技术支持。
Request for quote
Use the form for single models, category sourcing, and multi-line BOM requirements.
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.
Related products