WMSIC Electronic Components

YANGJIE SMBJ24CAQ

ModelSMBJ24CAQ
PackageDO-214AA(SMB)
BrandYANGJIE
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

13 specifications

Core information

Product name
YANGJIE SMBJ24CAQ
Type
DO-214AA(SMB)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SMBJ24CAQ
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
0.215g
Electronic Component
1
Electronic Component
BM0265324202
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.

SMBJ24CAQ瞬态抑制二极管(TVS)产品概述

一、产品定位与核心价值

SMBJ24CAQ是扬杰科技(YANGJIE)推出的表面贴装瞬态抑制二极管(TVS),属于SMB封装系列的核心防护型号。其核心定位是为电子系统提供快速、精准的过压防护,针对瞬态脉冲(如雷击浪涌、静电放电、开关尖峰等)实现可靠钳位,避免后端敏感元器件(IC、传感器、电容等)因过压损坏。作为一款高性价比的国产TVS器件,它可覆盖民用、工业等多场景的过压防护需求。

二、关键参数深度解析

SMBJ24CAQ的参数设计围绕“防护可靠性”与“场景适配性”展开,核心参数的实际意义需结合应用理解:

  1. 反向截止电压(Vrwm:24V)
    这是设备正常工作状态下可承受的最大反向直流电压。当电路静态电压不超过24V时,SMBJ24CAQ处于截止态,反向漏电流仅5uA,不会影响电路正常功耗或信号传输。

  2. 击穿电压(Vbr:29.5V)
    当反向电压突破24V并达到29.5V时,器件开始从截止向导通切换,是过压防护的“启动阈值”——确保只有真实过压脉冲才会触发防护,避免误动作。

  3. 钳位电压(Vc:38.9V)
    过压脉冲发生时,TVS能将后端电压钳位到的最大值(测试条件为10/1000us脉冲波形)。例如,若前端出现50V浪涌,SMBJ24CAQ可快速将后端电压限制在38.9V以内,远低于多数敏感IC的耐压极限(30-50V),有效保护后端元件。

  4. 峰值脉冲能力(Ipp:15.4A@10/1000us;Ppp:600W)

    • 15.4A是10/1000us脉冲(模拟雷击浪涌的典型波形:10us上升沿、1000us半峰值)下的最大承受电流;
    • 600W是对应脉冲功率(Ipp×Vc≈15.4×38.9≈600W),可覆盖中等强度瞬态脉冲的防护需求。
  5. 宽温工作范围(-55℃~+150℃)
    远超普通TVS的-40~+85℃范围,能适应极端环境(如北方户外通信设备、高温工业车间),高低温下参数稳定性好,无性能衰减。

三、封装与可靠性设计

SMBJ24CAQ采用DO-214AA(SMB)表面贴装封装,具备三大优势:

  1. 小型化适配:封装尺寸约2.9mm×5.0mm×2.0mm,适合高密度PCB布局(如智能手机、小型通信模块),节省板级空间;
  2. 焊接可靠性:兼容回流焊、波峰焊工艺,焊接后机械强度高,抗振动能力强,适合车载、工业等振动场景;
  3. 环保耐用:采用耐高温环氧树脂封装,符合RoHS标准,长期使用无老化劣化。

四、品牌与品质保障

扬杰科技作为国内功率半导体龙头企业,SMBJ24CAQ的品质管控具备以下特点:

  1. 参数一致性:自动化生产工艺使批次间击穿电压、钳位电压差异控制在±5%以内,避免参数波动导致防护失效;
  2. 可靠性测试:通过高低温循环、脉冲寿命、焊接可靠性等多项行业标准测试,确保长期稳定工作;
  3. 成本优势:性能与进口同类产品(如SMBJ24CA)相当,但性价比更高,适合批量应用。

五、典型应用场景

结合参数特点,SMBJ24CAQ的核心应用场景包括:

  1. 通信设备:路由器、交换机、基站的电源/以太网端口浪涌防护,应对雷击或静电放电;
  2. 工业控制:PLC模块、传感器节点、电机驱动电路的过压防护,适配宽温环境;
  3. 消费电子:机顶盒、显示器、车载充电器的电源输入防护,抑制开关浪涌;
  4. 电源模块:DC-DC转换器、开关电源的输入输出端防护,抑制瞬态尖峰;
  5. 汽车电子(部分场景):车载CAN总线、低压电源系统的过压防护(需确认汽车级认证)。

总结

SMBJ24CAQ凭借宽温范围、可靠钳位能力、小型化封装及高性价比,成为多领域过压防护的优选TVS器件,可有效提升电子系统的抗干扰能力与可靠性。

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.