WMSIC Electronic Components

RUILON SMBJ6.5CA

ModelSMBJ6.5CA
PackageDO-214AA(SMB)
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 SMBJ6.5CA
Type
RUILON
Minimum package
3000

Technical parameters

Electronic Component
RUILON
Electronic Component
SMBJ6.5CA
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.232g
Electronic Component
1
Electronic Component
BM0227695233
Operating Temperature
55℃~+150℃
Voltage
11.2V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
500uA
Voltage(VBR)
8.3V
Electronic Component
3000

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

SMBJ6.5CA 产品概述

一、产品简介

SMBJ6.5CA 是 RUILON(瑞隆源)推出的一款高能级瞬态电压抑制二极管(TVS),封装为 DO-214AA(SMB)。该器件为双向结构,专为保护敏感电子电路免受浪涌、雷击和静电放电等瞬态过电压侵害而设计,适用于工业、通信、电源与一般电子设备的输入/输出和电源总线上。

二、主要参数与特性

  • 钳位电压(VC):11.2 V(在标准冲击下的典型钳位值)
  • 反向截止电压 Vrwm:6.5 V(最大持续工作电压)
  • 击穿电压(Vbr):8.3 V(典型)
  • 峰值脉冲功率 Ppp:600 W(按 10/1000 µs 浪涌波形规定)
  • 峰值脉冲电流 Ipp:53.6 A(对应 600 W 条件)
  • 反向电流 Ir:500 µA(在 Vrwm 条件下)
  • 极性:双向(适合交流或双向瞬态)
  • 工作温度范围:-55 ℃ 至 +150 ℃
  • 防护等级/兼容标准:IEC 61000-4-2(ESD)、IEC 61000-4-4(EFT)
    这些参数表明 SMBJ6.5CA 在中高能量浪涌场合具有良好的吸能能力和稳定的钳位表现,且在高低温及工业环境下可靠性高。

三、典型应用场景

  • 通信设备的线路防护(接口输入、RJ45、光端子配套电源处)
  • 开关电源、适配器的输入端浪涌抑制
  • 工业控制器、PLC、电机驱动器的总线与信号线保护
  • 汽车电子(需确认车规认证)或高温环境设备的瞬态防护
    其双向特性使之尤其适合存在正负极性瞬变的场合或交流供电/信号线。

四、设计与使用建议

  • 选型时 Vrwm 应略高于正常工作电压,保证在不触发击穿的同时能在浪涌发生时迅速钳位;若用于直流单向系统,可考虑对应的单向型号以获得更低的钳位电压。
  • 布局上应将 TVS 器件放置在被保护端口尽可能靠近信号/电源入口处,走线尽量短且粗,以降低回路电感,提升响应速度与钳位效果。
  • 考虑到典型脉冲波形为 10/1000 µs,若实际浪涌波形或能量更大,应核算吸能能力或并联/升级型号。
  • 焊接与加工请遵循制造商推荐的回流曲线与静电防护规范,避免长期过热或重复热循环导致性能退化。

五、可靠性与环境适应

SMBJ6.5CA 工作温度范围宽(-55~+150 ℃),适合恶劣工业环境。符合 IEC 61000-4-2/4-4 等电磁兼容测试标准,能对抗常见的静电和快速瞬变干扰。SMB 封装(DO-214AA)兼顾功率散热与机械强度,便于自动贴片与波峰/回流焊接。

六、选型要点与注意事项

  • 确认系统最大连续工作电压 ≤ 6.5 V(Vrwm)且被保护器件能耐受的最高钳位电压 ≥ 11.2 V。
  • 若应用对泄漏电流敏感,注意 500 µA 的反向漏电在某些低功耗系统中可能需考虑。
  • 对于更严格的钳位要求或更高能量的浪涌,应选择更高 Ppp 等级或并联器件,并参考热和能量管理设计。
  • 使用前建议查看厂商完整数据手册,获得详细的 I-V 曲线、热特性及封装机械尺寸以完成可靠的工程设计。

总结:SMBJ6.5CA 是一款面向中到高能量瞬态防护的双向 TVS,具有良好的钳位效果、耐热性能和标准化封装,适合广泛的工业与通信防护应用。

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