WMSIC Electronic Components

GOODWORK SMAJ24CA

ModelSMAJ24CA
PackageSMA(DO-214AC)
BrandGOODWORK
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GOODWORK SMAJ24CA
Type
GOODWORK
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
SMAJ24CA
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.089g
Electronic Component
1
Electronic Component
BM0227247714
Operating Temperature
55℃~+150℃
Voltage
38.9V
Current(Ir)
5uA
Voltage(VBR)
26.7V
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.

SMAJ24CA 产品概述

一、产品简介

SMAJ24CA 是 GOODWORK(固得沃克)推出的一款双向瞬态电压抑制器(TVS),封装为 SMA(DO-214AC)。该器件专为抑制静电放电(ESD)和浪涌冲击设计,适用于24V等级的电源和信号线路,能在瞬态过压发生时快速钳位,保护下游敏感元器件免受损坏。

二、主要参数一览

  • 类型:TVS(双向)
  • 反向截止电压 Vrwm:24V
  • 击穿电压(Vbr):26.7V
  • 钳位电压(Vc,Ipp):38.9V
  • 峰值脉冲功率 Ppp(基准):400W
  • 峰值脉冲电流 Ipp:10.3A
  • 反向漏电流 Ir:典型 5 μA
  • 工作结温度范围(Tj):-55℃ ~ +150℃
  • 封装:SMA (DO-214AC)

三、主要特性

  • 针对24V工作电压线路优化的Vrwm/ Vbr参数,能在常见工业、通信和车载辅助电源系统中提供有效过压保护。
  • 双向结构适用于交流或可双向出现脉冲的场合,无需区分极性,安装方便。
  • 高达400W的峰值脉冲吸收能力,在典型浪涌事件中可有效钳制电压峰值,降低对系统的冲击。
  • 宽工作温度范围(-55℃~+150℃)保证在严苛环境下仍具稳定性能,适合工业和更高温度场景。

四、典型应用场景

  • 24V 工业控制与自动化设备的输入电源保护
  • 通信设备电源线与对地浪涌抑制
  • 车载辅助电路与传感器接口(在符合系统级规范下)
  • 电机驱动、逆变器辅助电路的局部浪涌防护

五、选型与设计建议

  • 确认系统标称电压与 Vrwm 匹配:SMAJ24CA 的 Vrwm=24V,适合24V等级系统,对于低电压系统应选用相应 Vrwm 更低的型号。
  • 钳位电压与保护需求:钳位电压 38.9V(对应 Ipp 条件)表明在最大脉冲时残压仍会高于工作电压,设计时应保证被保护器件能承受该钳位电平或采取限流措施。
  • 布局:TVS 应尽量靠近入线路或受保护芯片,走短而粗的接地回流路径,减小串联感抗。
  • 热管理:高能量脉冲会导致器件温升,建议在连续或重复脉冲场景下评估热耗散与 PCB 散热条件。

六、封装与可靠性

SMA(DO-214AC)封装提供较好的焊接和机械强度,便于自动贴装与回流焊工艺。GOODWORK 品牌型号在出厂测试中通常控制漏电、击穿和脉冲能力参数,适用长期可靠性需求的应用。实际使用前仍建议参照厂方详细数据手册与应力测试结果进行验证。

七、注意事项

  • 虽为双向器件,仍需注意与系统接地和参考电位的匹配;在高能量浪涌后应检查器件是否损伤并更换。
  • 对于需满足特定电磁兼容(EMC)或车规要求的项目,应核实相应的认证和老化测试数据。
  • 参考数据手册中的脉冲波形、能量曲线和封装机械尺寸,确保在实际应用中满足可靠性和安装要求。

总结:SMAJ24CA 是一款针对24V等级系统设计的双向 TVS 器件,具有 400W 峰值吸收能力、较低的漏电流和宽温度范围,适合工业与一般车载辅助电路的浪涌与静电保护。选择与布局合理,可以显著提高系统在瞬态冲击下的抗扰能力。

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