WMSIC Electronic Components

YANGJIE SMAJ36CA

ModelSMAJ36CA
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 25+

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE SMAJ36CA
Type
DO-214AC(SMA)
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SMAJ36CA
Electronic Component
1
Package
DO-214AC(SMA)
Electronic Component
0.12g
Electronic Component
1
Electronic Component
BM0227778281
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.

SMAJ36CA 产品概述

一、产品简介

SMAJ36CA 是扬杰(YANGJIE)推出的一款双向瞬态抑制二极管(TVS),采用SMA(DO-214AC)封装,专为对抗雷击、静电放电和开关瞬变等高能脉冲而设计。该器件在36V 反向截止(Vrwm)条件下提供可靠的浪涌吸收能力,典型钳位电压为58.1V,峰值脉冲功率400W(10/1000µs 波形),适合工业及电源侧的过电压保护需求。

二、主要电气参数

  • 极性:双向(Bi-directional),可在正负方向对称工作,适合交流或双向脉冲保护。
  • 反向截止电压 Vrwm:36V。
  • 击穿电压(Vbr):44.2V(典型)。
  • 钳位电压 Vc:58.1V(在指定脉冲条件下)。
  • 峰值脉冲电流 Ipp:6.88A(对应10/1000µs 波形)。
  • 峰值脉冲功率 Ppp:400W @ 10/1000µs。
  • 反向漏电流 Ir:5µA(常温条件)。
  • 工作温度范围:-55℃ ~ +150℃。

这些参数说明在发生瞬态过电压时,SMAJ36CA 能在接近44V 的击穿区间导通,并将瞬态电压钳位到约58V,以保护下游元件免受更高电压冲击。

三、典型应用场景

  • 工业电源与配电系统的直流母线保护(如24V/36V 系统)。
  • 通信、基站及配电箱的浪涌/雷击防护。
  • 逆变器、驱动器、传感器接口与电机控制器的输入侧过压保护。
  • 需要双向保护的信号线或差分线路(保证正负极性瞬态均能抑制)。

四、封装与安装建议

  • 封装:SMA(DO-214AC),适合自动贴装与回流焊。尺寸小,便于在 PCB 上靠近被保护器件布局。
  • 安装建议:将 TVS 尽量靠近被保护器件或接口放置,减小串联电感;电源导线尽量短且宽,以便散热与导流。对大能量脉冲建议在焊盘处增加热过孔或散热铜箔以提高能量耗散能力。
  • 焊接工艺:遵循器件厂家的回流曲线和焊接规范,避免长时间超过最高回流温度以免损伤封装。

五、使用与可靠性注意事项

  • 不要超过 Ppp(400W @10/1000µs)和单次/重复脉冲的能量限制,连续或频繁的高能脉冲会降低器件寿命。
  • 在高温环境或长期工作状态下注意漏电流可能上升,设计时留足裕度。
  • 双向 TVS 在直流稳态下施加电压(接近 Vrwm)不应触发反复击穿,否则会发热并可能损坏。
  • 储存与工作温度范围广(-55℃ ~ +150℃),适合户外及工业级应用,但长期高温会影响可靠性,应考虑散热与环境防护。

六、选型与替代建议

当系统工作电压在 36V 以下且需要双向瞬态保护时,SMAJ36CA 提供了平衡的击穿、钳位与脉冲能力。若需更高能量吸收或更低钳位电压,可考虑更大封装(如 SMB/SMC)或额定更高 Ppp 的型号;若工作为单向(仅正向)保护,则选择单向 TVS 型号以获得更低钳位。

总结:SMAJ36CA 在紧凑的SMA 封装下,提供了稳定的36V 级别双向瞬态防护,适用于工业电源、通信和控制系统中对雷击与开关瞬变的保护需求。

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