WMSIC Electronic Components

CJ SS510

ModelSS510
PackageSMAG
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 SS510
Type
CJ
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJ
Electronic Component
SS510
Electronic Component
1
Package
SMAG
Electronic Component
Schottky Diode
Electronic Component
0.093g
Electronic Component
1
Electronic Component
BM0227636006
Current
5A
Diode
1
Current(Ir)
200uA@100V
(Vf)
950mV@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.

SS510 肖特基二极管(CJ / SMAG)产品概述

一、产品概述

SS510 是江苏长电(CJ/长晶)生产的一款肖特基势垒整流二极管,封装为 SMAG,属于中等功率、耐压较高的肖特基整流系列。该器件面向需要低正向压降与快速恢复特性的电源与整流场景,特别适用于高频开关供电、续流保护与反向保护等应用。器件工作结温范围宽(-55℃~+150℃),适应工业级与恶劣环境使用要求。

二、主要电气参数

  • 正向整流电流(If):5 A(连续)
  • 直流反向耐压(Vr):100 V
  • 正向压降(Vf):0.95 V @ 5 A
  • 反向电流(Ir):200 μA @ 100 V
  • 非重复峰值浪涌电流(Ifsm):150 A(一次性峰值浪涌)
  • 工作结温范围:-55 ℃ ~ +150 ℃

以上参数为典型/额定值,设计时应参考厂商完整数据手册并留有裕量。

三、关键特性

  • 低正向压降:相比普通整流二极管,肖特基二极管在同电流条件下正向压降更低,有助于减少整流损耗与发热。
  • 快速响应:肖特基结构不存在显著的反向恢复时间,适合高频开关电源与脉冲应用。
  • 较高耐压:100 V 额定使其能在较高总线电压场景中使用。
  • 良好浪涌承受能力:150 A 的非重复峰值浪涌能力,可应对启动或短时冲击电流。

四、典型应用场景

  • 开关电源输出整流(特别是中高压输出)
  • 电机驱动与功率模块的续流二极管
  • 逆向/反接保护电路
  • DC-DC 转换器、太阳能逆变器及电池管理系统的整流保护
  • 高频整流与快速切换场合

五、封装与热管理

SS510 的 SMAG 封装在体积与散热之间做了平衡,适合于 PCB 表面贴装。尽管器件额定整流电流为 5 A,但连续工作时的允许电流受限于 PCB 散热能力与工作环境温度。设计建议包括:

  • 尽量采用较宽的铜箔走线以降低结-外壳温度差;
  • 在器件下方或相邻区域增加散热铜柱与过孔(thermal vias),将热量传导到多层板内层或散热层;
  • 在高电流场合考虑搭配散热片或改用更大功率封装器件。

注:具体结到环境热阻及散热能力请参照厂家完整数据手册或热阻参数。

六、选型与使用建议

  • 若系统工作电压接近或超过 100 V,应留有足够的安全裕度或选择更高耐压器件。
  • 在需要极低正向压降(例如在低压大电流的降压整流中)的场合,可能需选用额定更低 Vf 的低压肖特基或并联多只器件,但并联需注意均流问题。
  • 对于频繁浪涌或长时间大电流工作,建议验证结温并做适当的散热设计与电流热耗降额定(derating)。
  • 组装与回流焊时请遵循厂家推荐的温度曲线与湿敏等级(MSL)要求,避免过热或潮湿引起的器件性能退化。

七、可靠性与测试

在可靠性验证阶段,建议进行以下测试与验证:

  • 高低温循环与稳态老化试验以验证-55℃~+150℃结温范围内的稳定性;
  • 浪涌与过载测试验证 Ifsm 与热稳定性;
  • 反向泄漏随温度上升的测试(Ir 对温度敏感),以评估高温下的反向功耗。

选择 SS510 时应结合生产批次的质量报告和厂家出货测试记录,必要时要求样品进行自有可靠性验证。

八、结论

SS510(CJ,SMAG 封装)是一款面向中等功率、100 V 档位的肖特基整流器件,具有较低正向压降、快速响应与良好的浪涌承受能力,适合于开关电源、续流保护与反向保护等广泛工业与消费类应用。在实际设计中,应关注 PCB 散热设计、结温控制及反向泄漏随温升的影响,必要时参考厂家完整数据手册或与供应商技术支持沟通以确保良好的长期可靠性。

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