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.
BSP75N 是萨科微(Slkor)推出的一款单通道低侧功率电子开关,采用 SOT-223 封装,面向中小功率负载控制场景设计。器件支持 0V~10V 的工作电压范围,最大连续导通电流 1.1A,导通电阻(RDS(on))为 385mΩ,工作温度范围为 -40℃ 到 +150℃。内置过热保护(OTP)、过压保护(OVP)、短路保护(SCP)和过流保护(OCP),便于在实际系统中提高可靠性和安全性。
示例功耗估算:在最大连续电流 1.1A 下,导通损耗约为 P = I^2·R ≈ 1.1^2 × 0.385 ≈ 0.47W,系统设计时应考虑该功耗及散热能力。
BSP75N 集成多重保护机制:
这些保护功能有助于在复杂工况、瞬态或故障时提高系统容错能力,但不等同于替代良好的电路保护设计:对于感性负载仍建议使用外部吸收元件(如快恢复二极管、TVS 或 RC 吸收网络)。
SOT-223 封装热阻适中,适合小型 PCB 上使用。为保证稳定工作:
典型应用场景包括:LED 驱动开关、继电器/电磁阀驱动、低压直流负载开关、便携设备电源管理、小功率马达或风扇控制等。使用要点:
总结:BSP75N 是一款集成多重保护的低侧单通道功率开关,适用于 0~10V 低压系统的小功率负载控制。合理的热设计与外部抑制电路配合,可在工业控制、消费电子与电源管理领域实现稳健应用。如需具体电气时序、门限值和详细引脚定义,请参考厂家数据手册以完成最终电路与可靠性评估。
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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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