WMSIC Electronic Components

Brightking SMAJ30A/TR13 SMAJ30A

ModelSMAJ30A/TR13
PackageSMA(DO-214AC)
BrandBrightking
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SMAJ30A / TR13
Type
BRIGHTKING
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SMAJ30A/TR13
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.122g
Electronic Component
1
Electronic Component
BM0228052332
Operating Temperature
65℃~+150℃
Voltage
48.4V
Current(Ir)
1uA
Voltage(VBR)
33.3V
Electronic Component
Electronic Component

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

SMAJ30A/TR13 产品概述 — Brightking(台湾君耀)

一、概述

SMAJ30A/TR13 是 Brightking(台湾君耀)旗下的单向 TVS(二极管瞬态电压抑制器)封装为 SMA(DO-214AC)的表贴浪涌保护器。器件设计用于在瞬态过压发生时快速钳位,保护敏感电子电路免受雷击、开关瞬变及电磁兼容(EMC)事件的损害。典型应用包括 24V 直流电源线、工业控制、通讯接口及其它需要高能脉冲吸收的场合。

二、主要电气参数与意义

  • 反向截止电压 Vrwm:30V — 表示器件在正常反向工作时的最大稳压值(连续工作电压)。适合用于 24V 及以下系统作常态保护。
  • 击穿电压 (Vbr):33.3V — 进入雪崩导通的电压区间起始值,保证在超过 Vrwm 时迅速动作。
  • 钳位电压 Vc:48.4V — 在标准脉冲条件下(厂商通常按 10/1000µs 测试)器件钳位到的最大电压,用以评估被保护器件仍能承受的最大冲击电压。
  • 峰值脉冲功率 Ppp:400W(10/1000µs)— 表示单次脉冲器件能吸收的能量能力。
  • 峰值脉冲电流 Ipp:8.3A — 在上述测试波形下对应的峰值电流(Ppp / Vc ≈ 8.3A)。
  • 反向漏电流 Ir:1µA(通常在 25°C、Vrwm 条件下测得)— 低漏电有利于降低静态功耗。
  • 极性:单向 — 适合直流供电系统,正向表现类似普通二极管,在正向极性保护下不影响系统正常工作。

三、热与环境性能

  • 工作温度范围:-65°C 至 +150°C — 宽温度范围适用于严苛环境与工业级应用,能在高温或低温条件下维持保护功能。
  • 封装 SMA(DO-214AC)具有良好热散能力及适配自动化贴装的机械可靠性,便于在 PCB 上靠近受保护点布局以减少串扰与寄生电感。

四、典型应用场景

  • 24V 工业电源、PLC、驱动器电源总线防护;
  • 通信设备和基站的直流电源与数据线端口保护(需注意方向与电压等级匹配);
  • 电池管理、UPS、充电模块的浪涌与反向极性防护(单向器件适合固定极性的电源线路);
  • 车载电子(非关键安全系统)与轨道/户外设备的瞬态保护(需按系统认证要求二次验证)。

五、布局与使用建议

  • 尽量将 TVS 器件放置在被保护端口或连接器的附近,缩短印制板走线以降低钳位电压提升和环路电感。
  • 对于需承受更大脉冲能量或更低钳位电压的场合,可并联多颗或选用更高 Ppp 等级的器件,但并联需注意电流均分和热管理。
  • 注意环境温度对漏电流和功率吸收能力的影响,长期高温下应进行必要的 derating(降额)设计。

六、包装与选型说明

  • 型号中 “TR” 通常表示卷带(Tape & Reel)包装,便于 SMT 自动化生产;“13” 常用于指示卷盘规格。订购时请确认包装、最小订单量与版本(如工作温度、检验批次)以匹配生产需求。
  • 选型要点:若系统稳态电压 ≤ 30V 且需单向保护,SMAJ30A/TR13 是常见且性价比高的选择;若系统存在正负对称冲击,应改用双向 TVS 型号。

总结:SMAJ30A/TR13 提供 30V 反向耐压、33.3V 击穿、48.4V 钳位(在 10/1000µs 条件下)与 400W 脉冲吸收能力,兼具宽温工作范围与 SMA 封装的机械可靠性,适合各类工业与通信直流供电线路的瞬态浪涌保护。若需更具体的曲线(I-V、钳位随测试波形变化、热阻)或样品测试建议,可进一步提供电路环境与应用场景以便精准推荐。

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