WMSIC Electronic Components

GOODWORK SMCJ33CA

ModelSMCJ33CA
PackageSOD-123
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 SMCJ33CA
Type
GOODWORK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
SMCJ33CA
Electronic Component
1
Package
SOD-123
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.345g
Electronic Component
1
Electronic Component
BM0264757989
Operating Temperature
55℃~+150℃
Voltage
53.3V
Current(Ir)
5uA
Voltage(VBR)
33.3V
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.

SMCJ33CA 产品概述

一、产品简介

SMCJ33CA 是 GOODWORK(固得沃克)推出的一款双向瞬态电压抑制二极管(TVS),采用 GPP 工艺芯片,专为抑制瞬态过电压和雷击浪涌设计。器件能够在电路遭受瞬态冲击时提供低阻抗的钳位路径,保护敏感元器件免受损坏,适用于工业、通信、电源与汽车等需要浪涌保护的场合。

二、主要性能参数

  • 极性:双向
  • 反向工作电压 Vrwm:33 V
  • 击穿电压 VBR:33.3 V
  • 钳位电压(Ipp 条件):53.3 V
  • 峰值脉冲电流 Ipp:28.1 A
  • 峰值脉冲功率 Ppp(10/1000 μs 或指定波形):1.5 kW
  • 反向漏电流 Ir:5 μA(典型/最大)
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 类型:TVS(瞬态抑制)
  • 封装:SOD-123
  • 品牌:GOODWORK(固得沃克)

三、产品特点

  • 采用 GPP 工艺芯片,具有低漏电、稳定性高和耐高温特性,器件在高温环境下仍能保持可靠工作。
  • 双向结构适合交流或有可能反向瞬态的线路保护,无需区分正负极,使用更方便。
  • 高峰值脉冲功率(1.5 kW)和较大的峰值脉冲电流(28.1 A),能够有效吸收短时大能量浪涌。
  • 钳位电压 53.3 V 在浪涌发生时提供良好限压效果,降低后端器件承受的应力。
  • SOD-123 小体积封装便于表面贴装(SMT)工艺,节省 PCB 面积,适合批量生产与自动化装配。

四、典型应用场景

  • 通信接口保护(如 DSL、局端设备、射频前端保护)
  • 电源输入端与开关电源的浪涌抑制
  • 工业控制系统与传感器接口保护
  • 汽车电子中对瞬态尖峰的保护(需确认车规要求)
  • 家用电器与消费电子设备的过压防护

五、封装与可靠性

SMCJ33CA 采用 SOD-123 表面贴装封装,焊接可靠性高,适配常见的回流焊工艺。器件额定工作温度范围宽(-55 ℃ ~ +150 ℃),在高温、振动和一般工业环境中具有良好的长期稳定性。为达到最佳可靠性,建议遵循厂商的焊接和回流温度曲线并避免长时间超过额定温度。

六、设计与使用建议

  • 布局:将 TVS 尽量靠近需要保护的接口或电源输入端,走线最短以降低寄生电感,提升钳位效率。
  • 热管理:尽管器件可承受高脉冲功率,持续或重复的大能量冲击会导致过热,必要时在电路中采用串联阻容或选择更大能量吸收器件配合使用。
  • 并联/串联:在特殊需求下可并联多个器件以提高吸收能力,但需注意匹配和均流设计。
  • 静电和浪涌试验:在产品验证阶段做相应的 IEC/GB 等标准浪涌与静电放电测试,确认系统级保护效果。

七、注意事项

  • 核对浪涌波形和标准:Ppp(1.5 kW)通常对应特定波形(如 10/1000 μs),在设计时须参考实际测试波形与条件。
  • 双向器件在单极性系统使用时仍可工作,但应评估正负方向的钳位特性是否满足保护要求。
  • 若用于汽车或高可靠性场合,应与 GOODWORK 提供的器件可靠性与认证资料对照,必要时选择符合车规(AEC-Q)等级的产品型号。

SMCJ33CA 以其良好的钳位性能、低漏电和宽温度范围,适合在多种瞬变保护场合中作为首选 TVS 器件。根据具体应用场景合理布局与热设计,可实现稳定且长期的浪涌保护效果。

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