WMSIC Electronic Components

Jingdao Microelectronics SS510F

ModelSS510F
PackageSMAF
BrandElectronic
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
Electronic SS510F
Type
Jingdao Microelectronics
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
SS510F
Electronic Component
1
Package
SMAF
Electronic Component
Schottky Diode
Electronic Component
0.056g
Electronic Component
1
Electronic Component
BM0229356812
Current
5A
Diode
1
Current(Ir)
1mA@100V
(Vf)
850mV@5A
Electronic Component
55℃~+125℃
Electronic Component
Electronic Component
Electronic Component
3000

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

SS510F 产品概述

一、产品简介

SS510F 为晶导微电子推出的肖特基整流二极管,面向中功率直流整流与保护应用。其主要电气参数包括:正向压降 Vf = 0.85V @ 5A、直流反向耐压 Vr = 100V、额定整流电流 IO = 5A、反向漏电流 Ir = 1mA @ 100V、工作结温范围 -55℃ ~ +125℃,非重复峰值浪涌电流 Ifsm = 150A。器件采用 SMAF 小型表面贴装封装,便于自动贴装与回流焊工艺。

二、主要性能特点

  1. 低正向压降:在大电流条件下 Vf ≈ 0.85V,可减少整流损耗、提高系统效率。
  2. 中等电压等级:100V 反向耐压适用于多数工业、消费类开关电源与直流系统。
  3. 高浪涌能力:Ifsm 达到 150A(典型单次冲击能力),能承受启动或短时过载冲击。
  4. 体积小、易安装:SMAF 表贴封装,适合高密度 PCB 布局与自动化生产。
  5. 宽工作温度:-55℃ 至 +125℃,适应较宽环境温度范围,但高温下漏电流增大需注意。

三、典型应用场景

  • 开关电源的输出整流与续流二极管(中小功率)
  • DC-DC 转换器、降压/升压模块的输出整流
  • 逆向电池保护、反接保护电路
  • 电机驱动与LED 驱动的续流与保护
  • 工业控制与通信设备中的低压整流与保护

四、设计与使用注意事项

  1. 热管理:尽管额定整流电流为 5A,实际PCB布局中需依据铜箔面积与散热条件做电流去级。建议在焊盘下增加铜厚与热孔,通过加大散热铜箔或金属平面降低结温。
  2. 反向漏电随温度增加:Ir 在高温下会显著上升(镜像肖特基特性),高温环境或高压长时间施加反向电压时需考虑漏电影响与热耗。
  3. 浪涌测试条件:Ifsm 为非重复峰值浪涌能力,常按行业惯例以 8.3ms 半正弦波测试;在并联或重复冲击场景下需谨慎评估。
  4. 布局建议:输入/输出回路电感与回路面积应尽量小,二极管引脚与输入电容器近距布局以降低电磁干扰与压降。

五、封装与焊接建议

SMAF 表面贴装封装适配常见回流焊工艺。建议采用推荐的回流温度曲线(峰值不超过 260℃)、合适的焊盘尺寸与助焊剂掩膜开窗。焊盘下可设计若干通孔并填充导热硅胶或铜柱以提高散热。

六、可靠性与品质要点

器件设计适用于长时间工业级工作,但应保证 junction 温度低于最大额定值(≤125℃)以延长寿命。对关键应用建议做实际温升测试、寿命加速试验与热循环验证,确保在目标应用中的稳定性。

七、参数汇总(关键项)

  • 正向压降:Vf = 0.85V @ 5A
  • 反向耐压:Vr = 100V
  • 额定整流电流:IO = 5A
  • 反向电流:Ir = 1mA @ 100V(随温度上升)
  • 非重复峰值浪涌:Ifsm = 150A(典型单次冲击能力)
  • 工作结温:-55℃ ~ +125℃
  • 封装:SMAF(表贴)

如需进一步的典型曲线、热阻数据或推荐封装尺寸图(PCB 封装库),可提供器件数据手册或样片进行具体热仿真与布局优化。

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