WMSIC Electronic Components

CJ PCR606

ModelPCR606
PackageSOT-23
BrandCJ
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
CJ PCR606
Type
CJ
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJ
Electronic Component
PCR606
Electronic Component
1
Package
SOT-23
Electronic Component
Thyristor (SCR) / Module
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0227365622
Operating Temperature
40℃~+125℃
Latching Current(Ih)
5mA
Current(It)
600mA
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vtm)
1.7V
Gate Voltage(Vgt)
800mV

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

PCR606 产品概述

PCR606 是江苏长电/长晶(CJ)推出的一款单向可控硅(SCR)器件,采用 SOT-23 小封装,面向小功率开关与保护应用。器件在-40℃~+125℃的工作温度范围内稳定工作,具有阈值低、触发电流小、保持电流较低等特点,适合对体积和成本敏感的电子产品。

一、主要规格参数

  • 工作温度:-40℃ ~ +125℃
  • 断态峰值电压 (Vdrm):600 V
  • 通态峰值电压 (Vtm):1.7 V(典型通态压降)
  • 通态电流 (It):600 mA(持续导通能力)
  • 保持电流 (Ih):5 mA
  • 门极触发电流 (Igt):40 μA
  • 门极触发电压 (Vgt):800 mV
  • 封装形式:SOT-23
  • 品牌:CJ(江苏长电/长晶)

二、器件特点与优势

  • 小型封装:SOT-23 提供紧凑的 PCB 占用空间,便于便携及空间受限产品的集成。
  • 低门极触发要求:Igt 仅 40 μA、Vgt 约 800 mV,可用微弱门极驱动信号实现触发,适合与低电平控制器或光耦隔离输出配合使用。
  • 低保持电流:Ih 5 mA 有利于在低负载下维持导通或实现可靠复位,适用于小电流控制回路。
  • 高耐压:600 V 的断态峰值电压使其可用于较高电压等级的保护与开关闭合场景。

三、典型封装与引脚提示

PCR606 采用三引脚 SOT-23 封装(常见的引脚功能为:阳极 A、阴极 K、门极 G)。由于厂方可能在不同版本中有不同的引脚排列,设计时应以具体产品手册或样片的引脚定义为准,避免直接依赖封装的通用假定。

四、应用场景

  • DC/半波交流小功率开关:适用于直流负载或半波整流控制场合。
  • 过压保护(Crowbar)电路:利用 SCR 的自锁特性实现快速短接,保护后端电源与负载。
  • 恒流/恒压控制中的开关元件:与限流/采样电路配合,作为控制回路的执行元件。
  • 小功率电机、继电器与灯光驱动的控制与保护(在电流与功率满足规格时)。
  • 与光耦或微控制器接口的隔离触发应用(需考虑门极驱动电平)。

五、使用注意事项

  • 门极驱动设计:虽然 Igt 很小,但建议在门极串联合适的电阻以限制瞬态电流并抑制噪声误触发;同时对易受干扰环境,必要时并入 RC 抑制网络或滤波。
  • 熄灭条件:SCR 在导通后需将主电流降至低于保持电流 Ih(5 mA)才能复位,设计电路时需保证关断策略满足这一条件。
  • dV/dt 与杂散触发:可控硅对瞬态斜率敏感,建议在有大电压变化的场合采用缓冲或箝位电路以防止误触发(具体 dV/dt 抗扰度请参考完整数据手册)。
  • 热管理:尽管额定导通电流为 600 mA,但在持续工作时应评估通态功耗(Vtm × I)与 PCB 散热能力,必要时采取散热或降低负载电流以延长可靠性。
  • 封装与焊接:SOT-23 支持常规回流焊工艺,建议按厂方推荐的焊接曲线与回流参数进行装配,以免影响器件性能。

六、可靠性与环境适应

器件的工作温度范围覆盖工业级(-40℃ ~ +125℃),适合室温变化较大的应用环境。为确保长期可靠性,设计阶段应考虑过压、浪涌、电磁干扰及热循环等因素,并配合适当的保护电路和 PCB 布局准则。

七、选型建议与替代方案

  • 在需更高通态电流或更低通态压降的场合,可考虑封装更大或规格更高的 SCR 器件。
  • 若用于交流相位控制(双向导通)场合,建议采用可控双向晶闸管(TRIAC)。
  • 在不确定引脚排列或需要完整电气特性(如漏电流、dV/dt 抗扰度、能量吸收能力等)时,请参考 CJ 官方数据手册或联系供应商获取样片和详细资料。

总结:PCR606 以其小型 SOT-23 封装、低门限触发和 600 V 耐压定位于小功率开关与保护应用。设计时请以厂方完整数据手册为准,结合合理的门极驱动、散热与保护电路,确保器件在目标系统中稳定可靠运行。

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