WMSIC Electronic Components

MSKSEMI RB521S30T1G(MS) RB521S30T1G

ModelRB521S30T1G(MS)
PackageSOD-523
BrandMSKSEMI
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MSKSEMI RB521S30T1G(MS)
Type
MSKSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
RB521S30T1G(MS)
Electronic Component
1
Package
SOD-523
Electronic Component
Schottky Diode
Electronic Component
0.028g
Electronic Component
1
Electronic Component
BM0264464050
Current
200mA
Diode
1
Current(Ir)
30uA@10V
(Vf)
500mV@200mA
Electronic Component
55℃~+125℃
Electronic Component
Electronic Component
Electronic Component
3000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

RB521S30T1G(MS) 产品概述

一、概述

RB521S30T1G(MS) 是美森科(MSKSEMI)推出的一款小型肖特基整流二极管,采用 SOD-523 封装。器件具有低正向压降、较高的平均整流能力和一定的浪涌承受能力,适合空间受限且需高效开关或电压钳位的场景,如便携式电源管理、DC‑DC 转换和电池保护电路等。

二、主要电气参数

  • 正向压降(Vf):约 500 mV @ 200 mA
  • 平均整流电流(Io):200 mA
  • 直流反向耐压(Vr):30 V
  • 反向漏电流(Ir):30 μA @ 10 V
  • 非重复峰值浪涌电流(Ifsm):1 A
  • 工作结温范围:-55 ℃ ~ +125 ℃
  • 封装:SOD-523(极小型贴片)

三、关键特性与优势

  • 低正向压降:在中小电流工作点可显著降低导通损耗,提高效率,尤其适合低电压轨供电。
  • 小体积封装:SOD-523 极小占板,方便高密度 PCB 布局和便携式产品使用。
  • 良好的浪涌能力:1 A 峰值浪涌能力,能抵抗短时突发电流冲击,提高可靠性。
  • 宽温工作范围:-55 ℃ 至 +125 ℃,适用于工业级及消费电子的温度要求。

四、典型应用

  • DC‑DC 转换器输出整流或回流保护
  • 锂电池保护与充放电防反接电路
  • 电压钳位与反向电压保护(输入端保护)
  • 便携式电子设备、移动电源及充电器的低压整流或钳位场合

五、设计与封装注意事项

  • PCB 布局:由于封装体积极小,应保证焊盘和走线的热量分布合理,以利于回流焊接和散热。推荐遵循厂家提供的 SOD‑523 焊盘尺寸。
  • 热管理:尽管平均整流电流为 200 mA,但长期工作在高电流或高结温下应采取降额设计(例如降低工作电流或增加散热路径)。
  • 浪涌与保护:峰值浪涌能力有限,若存在较大启动或故障浪涌,应在系统层面增加限流或软启动措施。
  • 焊接工艺:遵循器件制造商的回流曲线和 ESD 防护规范,避免超出温度或长期高温暴露导致可靠性下降。

六、可靠性与采购信息

  • 品牌:MSKSEMI(美森科)
  • 型号:RB521S30T1G(MS);封装:SOD‑523。
  • 推荐在批量设计中进行样品验证,包括温升、漏电和长期稳定性测试。采购时注意核对包装、批号与出厂测试报告,确保符合应用场景的品质要求。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

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.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.