WMSIC Electronic Components

YANGJIE P6SMB33A

ModelP6SMB33A
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 25+

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE P6SMB33A
Type
DO-214AA(SMB)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
P6SMB33A
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
0.22g
Electronic Component
1
Electronic Component
BM0230692644
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.

P6SMB33A 产品概述

一、产品简介

P6SMB33A 是一款单向瞬态电压抑制二极管(TVS),由扬杰(YANGJIE)提供,采用 SMB(DO-214AA)封装。该器件专为抑制瞬态过电压和浪涌冲击设计,能够在高能脉冲事件发生时迅速钳位电压,保护下游电路元件免受损坏。器件工作温度范围宽(-55℃ ~ +150℃),适合工业、通信与汽车等需可靠瞬态保护的应用环境。

二、主要电气参数

  • 极性:单向(Unidirectional)
  • 反向截止电压 Vrwm:28.2 V
  • 钳位电压 Vc(测试条件下):45.7 V
  • 峰值脉冲电流 Ipp:13.13 A(10/1000 μs 波形)
  • 峰值脉冲功率 Ppp:600 W(10/1000 μs 波形)
  • 击穿电压 Vbr:34.65 V
  • 反向漏电流 Ir:5 μA(在额定电压或指定测试条件下)
  • 工作结温度范围:-55 ℃ 至 +150 ℃
  • 类型:TVS 二极管
  • 封装:SMB(DO-214AA)
  • 品牌:YANGJIE(扬杰)

三、性能特点

  • 高能量吸收能力:在 10/1000 μs 波形下,可承受 Ppp=600 W,对短时大能量浪涌有良好抑制效果。
  • 有效钳位:45.7 V 钳位电压可在浪涌期间将线路电压限制在可接受范围,减少对后端器件的冲击。
  • 低漏电流:典型反向漏电流仅 5 μA,有利于降低静态功耗,适合对静态电流敏感的系统。
  • 宽工作温度:-55 ℃ 到 +150 ℃,适应严苛环境和高温工作场景。
  • 单向结构:在典型直流电源和信号线上有更明确的导通/钳位行为,便于电路设计与预测。

四、典型应用场景

  • 电源输入口防护(DC 电源总线、外部适配器接口)
  • 工业控制设备与驱动模块的浪涌保护
  • 通信设备的线路防护(电源线、低压信号线)
  • 汽车电子(车载控制模块、传感器供电保护,在满足系统要求的前提下)
  • 任何需在高能短脉冲下保护敏感半导体器件的场合

五、封装与可靠性

SMB(DO-214AA)封装兼顾耐热性与易焊接性,适合自动化贴装与波峰/回流焊工艺。SMB 封装在 PCB 上占用空间适中、散热路径良好,利于在多次浪涌事件下维持热稳定。器件的高温工作上限(+150 ℃)保证了在高温环境或有局部热积聚时的可靠性。

六、设计与选型建议

  • 选型时优先确认 Vrwm(反向截止电压)与电路工作电压的匹配:Vrwm=28.2 V 适用于额定工作电压显著低于该值的直流系统,以避免常态下触发导通。
  • 钳位电压考量:钳位电压 45.7 V 为器件在测试波形下的典型钳位值,设计时需确保被保护电路能承受该钳位电压及可能的瞬态能量。
  • 能量与重复脉冲:Ppp=600 W(10/1000 μs)反映一次脉冲能量吸收能力,若系统可能遭受多次或更大幅度的浪涌,应考虑并联多只器件或选用更高能量等级的 TVS。
  • 布局建议:将 TVS 尽量靠近被保护的接口或器件放置,布线尽量短直以减小寄生电感,提升钳位效果。
  • 热管理与散热:在大能量吸收场景下,焊盘大小与铜箔面积应足够保证散热;必要时在 PCB 另一侧增加散热铜箔或通过散热路径优化。
  • 同步考虑其它保护元件:在需要时与熔断器、PTC 或限流电阻协同使用,以实现更全面的过压、过流保护方案。

七、注意事项

  • 反向截止电压、击穿电压与钳位电压均有公差范围,实际设计中应参考器件数据手册的详细电特性与温度系数。
  • 反向漏电随温度上升会增加,需评估高温工况下的漏电对系统静态能耗的影响。
  • 单向 TVS 在某些交替极性的应用(如交流电)中不适用,应选择双向类型或采取相应电路措施。
  • 在特定标准或现场试验中,测试波形(如 10/1000 μs)对应的能量与实际工况可能不同,推荐在目标系统上做实际浪涌试验验证。

总结:P6SMB33A 是一款面向高能瞬态抑制的单向 TVS,凭借 600 W 的峰值脉冲功率、较低漏电和宽工作温度,适合对直流电源线和信号线进行可靠的浪涌保护。设计时应关注 Vrwm 与系统工作电压的一致性、钳位电压对下游器件的影响以及 PCB 布局与散热策略,以确保长期稳定工作。

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