WMSIC Electronic Components

Jingdao Microelectronics SS310F

ModelSS310F
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 SS310F
Type
Jingdao Microelectronics
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
SS310F
Electronic Component
1
Package
SMAF
Electronic Component
Schottky Diode
Electronic Component
0.056g
Electronic Component
1
Electronic Component
BM0259012039
Current
3A
Diode
1
Current(Ir)
300uA@100V
(Vf)
850mV@3A
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.

SS310F肖特基整流二极管产品概述

SS310F是晶导微电子推出的表面贴装肖特基整流二极管,采用SMAF封装(对应DO-214AC封装形式),针对低压直流电源系统的整流、续流等场景优化设计,平衡了电流承载能力、导通损耗与封装尺寸,具备高可靠性与性价比优势。

一、产品基本定位与封装

SS310F属于低压大电流肖特基二极管,核心定位为小体积、低损耗的整流/续流器件,适配高密度PCB设计需求。其采用的SMAF封装为小型表面贴装封装,尺寸紧凑(常规规格约3.0×2.5×1.2mm),支持自动化贴装(SMT),适合批量生产应用。

二、核心电性能参数详解

SS310F的关键参数针对实际应用场景优化,核心性能指标如下:

  1. 正向导通特性:典型正向压降(Vf)为850mV,测试条件为3A连续直流电流——相比传统硅整流二极管(Vf通常1V以上),低Vf可显著降低导通损耗,提升电源转换效率;
  2. 反向耐压能力:额定直流反向耐压(Vr)为100V,满足多数低压电源系统(如12V、24V系统)的反向电压需求;
  3. 电流承载能力:额定连续整流电流(If)为3A,可稳定承载常规负载电流;非重复峰值浪涌电流(Ifsm)达80A,能应对开机瞬间、负载突变等突发大电流冲击,提升系统抗干扰能力;
  4. 反向漏电流:典型反向漏电流(Ir)为300μA(测试条件:100V反向电压),反向特性稳定,减少待机功耗;
  5. 结温范围:工作结温覆盖-55℃至+125℃,可适应工业环境(如户外设备、车载周边)的高低温变化。

三、关键技术特点

  1. 低损耗设计:850mV的低正向压降是核心优势,尤其在大电流(3A)工况下,导通损耗仅为I×Vf=2.55W(典型值),远低于同电流等级的硅整流二极管;
  2. 高浪涌耐受:80A的非重复浪涌电流能力,有效避免瞬间电流冲击导致的器件损坏,提升系统可靠性;
  3. 宽温适应性:-55~+125℃的结温范围,满足工业级应用的环境温度要求,无需额外降额设计;
  4. 小型化封装:SMAF封装体积小,可节省PCB空间,适合便携设备(如充电器、适配器)与高密度电源模块;
  5. 高一致性:晶导微电子的量产工艺保障了器件参数一致性,降低批量应用中的设计风险。

四、典型应用场景

SS310F的参数特性使其适配多种低压电源与控制电路场景:

  1. 开关电源输出整流:AC/DC适配器、DC/DC转换器的次级整流电路,低Vf降低电源损耗,提升转换效率;
  2. 低压直流系统续流:12V/24V工业控制电路、车载电子系统的续流二极管,避免电感反冲电压损坏器件;
  3. 消费电子电源:机顶盒、路由器、智能家居设备的电源模块整流,小型化封装适配设备紧凑设计;
  4. 小型充电设备:手机充电器、移动电源的输出整流,满足快充场景下的大电流需求;
  5. 工业控制电路:PLC、传感器模块的电源整流/续流,宽温范围适应工业环境。

五、应用优势与可靠性

SS310F在实际应用中具备多重优势:

  • 效率提升:低正向压降减少电源发热,降低散热需求,可简化散热设计;
  • 抗干扰能力:高浪涌耐受能力减少系统因瞬间电流冲击导致的故障;
  • 生产适配性:SMAF封装支持SMT自动化生产,贴装效率高,降低人工成本;
  • 环境适应性:宽结温范围与高反向耐压,适配户外、车载等恶劣环境;
  • 性价比高:晶导微电子的国产供应链保障,在性能相当的前提下,成本优于部分进口器件。

六、总结

SS310F是一款针对低压大电流场景优化的肖特基整流二极管,以低损耗、高浪涌、小型化为核心特点,覆盖消费电子、工业控制、电源适配器等多领域应用。其参数平衡了性能与成本,配合晶导微电子的工艺可靠性,是电源设计中替代传统硅整流二极管的理想选择,尤其适合对效率、体积有严格要求的产品设计。

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