WMSIC Electronic Components

HXY MOSFET SMBJ6.5CA

ModelSMBJ6.5CA
PackageSMB(DO-214AA)
BrandHXY MOSFET
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
HXY MOSFET SMBJ6.5CA
Type
HXY MOSFET
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
SMBJ6.5CA
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.189g
Electronic Component
1
Electronic Component
BM0258661899
Operating Temperature
65℃~+150℃
Voltage
11.2V
Current(Ir)
500uA
Voltage(VBR)
7.22V;7.98V
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.

SMBJ6.5CA 产品概述

一、产品简介

SMBJ6.5CA 是华轩阳电子(HXY MOSFET)出品的一款双向瞬态电压抑制器(TVS),采用SMB(DO‑214AA)封装,专为对低压电源线和信号线提供瞬态过压保护而设计。器件在正、负极性冲击时均能起到快速钳位作用,适合直流电源、接口保护及工业电子设备的浪涌防护需求。

二、主要参数

  • 极性:双向
  • 反向截止电压(Vrwm,稳态工作电压):6.5 V
  • 钳位电压(Vc,峰值脉冲时):11.2 V
  • 峰值脉冲电流(Ipp):53.6 A(对应钳位电压与峰值功率)
  • 峰值脉冲功率(Ppp):600 W(典型冲击条件下)
  • 击穿电压(Vbr):7.22 V ~ 7.98 V(典型/最小-最大范围)
  • 反向电流(Ir,漏泄电流):500 μA(在 Vrwm 条件下)
  • 工作温度范围:-65 ℃ ~ +150 ℃
  • 类型:TVS(瞬态抑制二极管)
  • 封装:SMB(DO‑214AA)
  • 品牌:HXY MOSFET(华轩阳电子)

三、主要特性与优势

  • 双向结构:对双极性浪涌(正/负方向)均能有效钳位,适合保护交流或可能反向连接的电路。
  • 低稳态电压:Vrwm 6.5 V 适合保护 5 V/6 V 级别电源轨,平时对系统无明显影响。
  • 强浪涌抑制能力:600 W 峰值脉冲功率与 53.6 A 峰值电流,能承受较强的瞬态冲击,保护后端敏感器件免受破坏。
  • 宽温度范围:-65 ℃ 至 +150 ℃,适用于恶劣环境与工业级应用。
  • 封装可安装性好:SMB 封装便于波峰或回流焊接,便于 PCB 布局与散热设计。

四、典型应用场景

  • 5 V/6 V 电源轨、主板与模块供电保护;
  • USB、电源适配器、通信接口(如 RS‑485)保护;
  • 工业控制、汽车电子(非关键安全回路)、电源管理模块的浪涌防护;
  • 任意可能出现反向瞬态冲击的低压电路。

五、选型与使用建议

  • 若保护电路为已知极性的直流供电,且需更低漏电,可考虑单向型 TVS;双向型用于交流或可能极性反接的场合。
  • 钳位电压 11.2 V 意味着在大冲击时保护点电压会升至该值,选型时应确认被保护器件能承受该峰值。
  • 频繁或连续脉冲时应按厂商曲线进行能量累计与热设计,避免超过器件的热极限。
  • PCB 布局上将 TVS 靠近被保护端并缩短连接线,增加铜皮散热区域以提高脉冲承受能力。
  • 注意漏电流(500 μA)对静态功耗或精密模拟线路的影响,必要时选择低漏型或加隔离电路。

六、封装与可靠性

SMB(DO‑214AA)封装在安装与散热上兼顾了体积与热阻,适合手工或自动化焊接。工作温度范围广,适应工业级环境。为保证长期可靠性,应遵循制造商提供的焊接温度曲线和存储防潮要求。

七、总结

SMBJ6.5CA 提供了对 5‑6V 级别电路稳健的双向浪涌保护能力,钳位性能和高峰值功率使其在工业、通信和通用电源保护中具有良好适用性。选型时需综合考虑钳位后端允许电压、漏电对系统的影响及热管理设计,按厂商数据及应用条件进行合理匹配与布局。若需更详细的曲线图和焊接规范,建议参考华轩阳电子官方数据手册。

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