WMSIC Electronic Components

CJ SP5300L

ModelSP5300L
PackageTO-277
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
CJ SP5300L
Type
CJ
Minimum package
5000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJ
Electronic Component
SP5300L
Electronic Component
1
Package
TO-277
Electronic Component
Schottky Diode
Electronic Component
0.17g
Electronic Component
1
Electronic Component
BM0230137757
Current
5A
Diode
Electronic Component
Current(Ir)
10uA@300V
(Vf)
940mV@5A
Electronic Component
55℃~+150℃
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.

SP5300L 产品概述

SP5300L 是 CJ(江苏长电/长晶)出品的一款高压肖特基整流二极管,采用独立式 TO-277 封装,针对中高压整流与开关电源应用进行了优化。器件在 300V 反向耐压下提供 5A 的恒定整流能力,并具备较低的正向压降与良好的浪涌承受能力,适用于对效率和可靠性有一定要求的工业与消费电子场景。

一、主要电气参数与性能亮点

  • 器件类型:肖特基二极管(独立式封装)
  • 型号:SP5300L(品牌:CJ / 江苏长电/长晶)
  • 直流整流电流(Io):5A
  • 正向压降(Vf):940 mV @ 5A
  • 直流反向耐压(Vr):300 V
  • 反向漏电流(Ir):10 μA @ 300 V
  • 非重复峰值浪涌电流(Ifsm):100 A
  • 工作结温范围:-55 ℃ ~ +150 ℃
  • 封装:TO-277(利于散热的独立式封装)

这些参数表明 SP5300L 在高压整流领域具有良好的压降/耐压平衡,高温工作能力优秀,且具备短时抗浪涌能力,满足多数工商业电源和整流场合的需求。

二、典型应用场景

  • 开关电源(SMPS)输出整流、输入整流
  • 电机驱动与逆变器电源回路的自由轮回整流
  • 电池充电器与电源管理模块
  • 交流-直流整流桥(单只或并联使用)
  • 极性保护与反接保护电路
  • 工业电源、照明驱动与电源滤波器中的高压整流

三、热管理与安装建议

  • TO-277 独立式封装便于直接安装在散热片上或通过螺柱固定,建议在 5A 连续工况下采用合适的散热措施(散热片或机箱散热路径)以控制结温在安全范围内。
  • 设计 PCB 布局时,应尽量缩短高电流回路的导线长度、增加铜箔面积以降低寄生电阻,并为器件的散热壳体或固定孔留出热接触面。
  • 在高浪涌环境下(如启动浪涌或短路事件),器件的 Ifsm=100A 提供短时保护能力,但应配合熔断器、限流电阻或软启动电路以提高系统可靠性。

四、可靠性与使用注意事项

  • 反向漏电流为 10 μA@300V,表明在高压偏置下具有较低的泄漏特性,但长期高温高压环境会加速泄漏增长,设计时应考虑环境温度对漏电流的影响。
  • 工作结温上限为 +150 ℃,应避免长期在高结温下工作以防止老化与失效;建议在产品验证阶段测量器件实际结温并依据测得数据设计散热方案。
  • 作为肖特基二极管,SP5300L 具备较快的开关特性和极小的反向恢复时间,适合高频整流场合,但在并联使用时需要关注电流分配问题,宜采用分流电阻或热匹配设计。

五、选型与替代建议

  • 若系统对正向压降要求更低(以降低功率损耗),可比较不同型号或选择低 Vf 版本的肖特基器件,但需要权衡耐压与漏电流等参数。
  • 对于需要更高连续电流或更高浪涌能力的场合,可采用并联多只 SP5300L(注意热平衡与电流均分)或选用额定电流更大的封装器件。
  • 在高工作温度或长期高压应用中,关注器件的热阻和制造商的可靠性测试数据,必要时与供应商确认寿命曲线与应力测试结果。

六、封装与采购信息

  • 封装类型:TO-277(独立式,适合螺栓安装散热或直接安装散热片)
  • 采购参考:品牌 CJ(江苏长电/长晶),型号 SP5300L。采购与替换时请核对完整的器件型号、生产批次与数据手册,以确保与设计要求匹配。

总结:SP5300L 是一款面向中高压整流应用的肖特基二极管,提供 300V 反向耐压、5A 恒定整流能力、约 0.94V 的正向压降及 100A 的短时浪涌承受能力,适用于多种开关电源与工业整流场合。合理的热设计和电路保护搭配能充分发挥其高效率与高可靠性的优势。若需更详细的电参数曲线、封装尺寸或热阻等数据,请参考 CJ 官方数据手册或向供应商索取样片进行验证。

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