WMSIC Electronic Components

RUILON SMAJ24CA

ModelSMAJ24CA
PackageDO-214AC(SMA)
BrandRUILON
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON SMAJ24CA
Type
RUILON
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
SMAJ24CA
Electronic Component
1
Package
DO-214AC(SMA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.1g
Electronic Component
1
Electronic Component
BM0257222069
Operating Temperature
55℃~+150℃
Voltage
38.9V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
30.7V

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

RUILON SMAJ24CA TVS 二极管产品概述

一、产品简介

SMAJ24CA(品牌:RUILON/瑞隆源)是一款双向瞬态电压抑制(TVS)二极管,封装为 DO-214AC(SMA),专为抑制雷击、开关瞬变和静电放电等瞬态过压事件设计。器件标称静态工作电压(反向截止电压 Vrwm)为 24V,能在短脉冲条件下提供高达 400W 的冲击能量吸收能力(10/1000μs 波形),具备低漏电流与宽工作温度范围,适用于工业控制、通信接口、电源线路与汽车电气等需要抗干扰保护的场合。

二、主要电气参数

  • 类型:TVS(瞬态电压抑制器),双向(Bidirectional)
  • 标称反向截止电压 Vrwm:24V
  • 击穿电压(Vbr):30.7V
  • 钳位电压(Vclamp):38.9V(在指定测试条件下)
  • 峰值脉冲电流 Ipp:10.3A(10/1000μs 波形)
  • 峰值脉冲功率 Ppp:400W(10/1000μs)
  • 反向(漏)电流 Ir:1μA(在 Vrwm 条件下)
  • 工作温度范围:-55℃ 至 +150℃
  • 防护标准:符合 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)
  • 封装:DO-214AC(SMA)
  • 品牌/型号:RUILON SMAJ24CA

三、产品特点与优势

  • 双向结构:对称钳位特性,适合交流或双向瞬态保护(如数据线、信号线、差分线路或双向供电系统)。
  • 高能量吸收能力:在 10/1000μs 波形下 400W 的峰值功率与 10.3A 的峰值脉冲电流,能有效吸收工业级浪涌能量。
  • 低漏电流:典型 1μA,适用于对静态电流敏感的系统,降低待机损耗。
  • 宽温度范围:-55℃ 至 +150℃,适合恶劣环境和高温工况。
  • 符合工业抗干扰标准:通过 IEC 61000-4-2/4-4 测试,能满足常见静电与快速瞬变脉冲抗扰度要求。
  • 标准 SMA 封装:便于表面贴装工艺(SMT)与自动化生产,替换与布局灵活。

四、典型应用场景

  • 24V 直流供电总线的过压/浪涌保护;
  • 工业自动化与控制器(PLC、驱动模块)的输入/输出端保护;
  • 通信接口、串口/以太网隔离侧的瞬变抑制(差分/共模保护);
  • 电池管理与充电系统的过压吸收(需根据实际工作电压选型);
  • 设备外壳与信号接入口的静电放电(ESD)防护。

五、选型与使用建议

  • 工作电压匹配:选择 TVS 时应确保 Vrwm ≥ 系统最大工作电压。SMAJ24CA 适合 24V 及附近的直流电源/信号线保护,若系统常态电压高于 24V,应选择更高 Vrwm 的型号。
  • 双向与单向区分:双向器件在正负极性瞬变对称时表现更佳;对于仅需对地单极抑制且有极性需求的场合,可考虑单向 TVS。
  • 能量余量:按照系统可能遭受的浪涌等级,评估 Ipp 与 Ppp 是否满足长期可靠性要求;对于反复高能冲击场合,考虑并联更高功率或更换更高能量等级产品。
  • 版图与接地:将 TVS 尽量靠近被保护节点放置,走线短、截面积大,地线短且低阻抗。对于大电流浪涌,推荐使用多层地铜和合适的焊盘/过孔散热设计。

六、安装、可靠性与注意事项

  • 焊接工艺:SMA 封装适用于常规回流焊工艺。请遵循制造商的焊接温度曲线与时限,避免过长高温暴露以免影响器件可靠性。
  • 环境与散热:高能量脉冲会在器件上产生热量,长期承受高频率浪涌会加速老化。为高可靠性应用留有热设计余量并确保良好散热路径。
  • 不可作为稳压器或连续电压钳位器:TVS 仅用于短时瞬态保护,不应用于持续稳压或限流;在长期超过 Vrwm 的条件下,器件会持续导通并可能损坏。
  • 储存与搬运:防止潮湿与静电损伤,未表面焊接前建议按电子元器件防潮与防静电规范存放。

七、典型连接示意

  • 直流/电源线:双向 TVS 两端接于电源线与地之间(对于双向保护,通常为跨导线对),靠近接入点或端口布局。
  • 差分信号:并联于差分对之间以抑制共模或差模瞬变,必要时配合串联阻抗或滤波器加强保护效果。

总结:SMAJ24CA 是面向 24V 级别系统的高能量双向 TVS 器件,具有低漏电、高功率吸收与工业级温度及抗扰度特性。用于需要短时高能量浪涌抑制的电源和信号接口时,按推荐的 PCB 布局和热管理措施正确选型与安装,可为系统提供可靠的瞬态过压保护。若需更详细的焊接曲线、机械尺寸或波形测试曲线,请参考 RUILON 官方数据手册或联系供应商获取完整资料。

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.