WMSIC Electronic Components

YANGJIE SMAJ36A

ModelSMAJ36A
PackageDO-214AC(SMA)
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 Date code within 2 years

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE SMAJ36A
Type
DO-214AC(SMA)
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SMAJ36A
Electronic Component
1
Package
DO-214AC(SMA)
Electronic Component
0.128g
Electronic Component
1
Electronic Component
BM0228719274
Electronic Component
Electronic Component
Electronic Component
5000

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

SMAJ36A 产品概述

一、产品简介

SMAJ36A 为扬杰(YANGJIE)出品的单向 TVS(瞬态电压抑制二极管),封装为 DO-214AC(SMA)。该器件专为抑制交流或直流电路中的瞬态过电压和浪涌冲击设计,具有快速响应、高能量吸收能力及低漏电流等特性,适用于电源防护、通信接口及工业控制等场合。

二、主要参数

  • 极性:单向(Unidirectional)
  • 反向截止电压 Vrwm:36 V
  • 击穿电压(典型):44.2 V
  • 钳位电压 Vc(Ipp 条件下):58.1 V
  • 峰值脉冲电流 Ipp:6.88 A(10/1000 μs 波形)
  • 峰值脉冲功率 Ppp:400 W(10/1000 μs 波形)
  • 反向电流 Ir:5 μA
  • 类型:TVS
  • 品牌:YANGJIE(扬杰)
  • 封装:DO-214AC(SMA)

三、性能亮点

  • 高峰值吸收能量:在标准 10/1000 μs 浪涌测试下能承受高达 400W 的脉冲功率,适合处理长时间能量较大的浪涌事件。
  • 有效钳位:在额定浪涌条件下钳位电压约 58.1V,能将瞬态电压限制在安全范围,保护下游元件。
  • 低漏电流:典型反向漏电流仅 5 μA,有利于节能及低功耗电路应用。
  • 稳定击穿特性:击穿电压 44.2V,具有明确的触发门限,便于设计余量配置。

四、典型应用场景

  • 工业电源与逆变器保护(36V 级或更高电压侧的过压吸收)
  • 通信设备与接口防护(如 PoE、以太网供电保护)
  • 电源适配器与充电器的输入保护
  • 电池管理与分配系统的瞬态浪涌防护
  • 其他需要单向浪涌抑制的直流供电线路

五、设计与使用建议

  • 选型原则:确保 Vrwm(36V)高于电路正常工作电压,但保留足够余量以避免误触发。单向器件适用于标称正向供电线路,若用于交流或无极性线路,请选用双向 TVS。
  • 布局要点:将 TVS 放置在受保护设备与入线之间,靠近受保护端的接口或电源输入;接地线要短而粗,推荐直接接到接地平面以降低回路阻抗。
  • 热管理:长时间或频繁浪涌下封装温升明显,需考虑器件散热及周边铜箔面积,避免长期超额循环导致寿命下降。
  • 焊接与可靠性:DO-214AC(SMA)封装为常见的表面贴装封装,遵循厂家推荐的回流曲线进行焊接,避免过热引起器件特性漂移。

六、可靠性与注意事项

  • 尽量避免在器件超过其脉冲规格(10/1000 μs、Ipp、Ppp)下长期工作,超规格冲击会导致不可逆损伤。
  • 留意钳位电压对下游元器件的影响,必要时配合串联限流元件(如保险丝、热敏电阻)以分担冲击能量。
  • 保持适当的库存与运输、防潮条件,尤其在高湿环境下应执行干燥及防潮处理。

SMAJ36A 以其稳定的击穿特性、较高的脉冲吸收能力和低漏电流,在需要对 36V 等中低电压直流线路进行可靠瞬变保护的场合具有良好的性价比。选用时请结合系统最大工作电压、可能的冲击能量及散热条件进行综合评估。

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