WMSIC Electronic Components

Hottech SS310A

ModelSS310A
PackageSMA
BrandHottech
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
Hottech SS310A
Type
HOTTECH
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HOTTECH
Electronic Component
SS310A
Electronic Component
1
Package
SMA
Electronic Component
Schottky Diode
Electronic Component
0.1g
Electronic Component
1
Electronic Component
BM0265582302
Current
3A
Diode
1
Current(Ir)
500uA@100V
(Vf)
950mV@3A
Electronic Component
Electronic Component
Electronic Component
2000
Voltage Rating(Vr)
100V

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

Hottech SS310A肖特基二极管产品概述

Hottech(合科泰)SS310A是一款中低压肖特基二极管,采用表面贴装DO-214AC(SMA)封装,具备3A平均整流电流、100V反向耐压等核心特性,广泛适用于消费电子、工业控制等领域的低压整流、续流及保护电路。

一、核心参数概览

SS310A的关键性能参数精准匹配中低压应用需求,具体如下:

  • 正向压降(Vf):950mV(@3A正向电流)。低正向压降是肖特基二极管的核心优势,相比传统硅整流管(如1N4007的Vf约1.1V@1A),SS310A在3A大电流下仍保持较低损耗,可有效降低电路发热,提升效率。
  • 直流反向耐压(Vr):100V。覆盖大部分消费电子(充电器、小家电)和工业控制(小型电机驱动)的电压范围,满足中低压电路的反向耐压需求。
  • 平均整流电流(If(AV)):3A。指25℃环境下的连续正向电流额定值,实际应用需结合散热条件适当降额(通常建议降额至1.5A-2A连续电流)。
  • 反向电流(Ir):500μA(@100V反向电压)。在额定反向电压下,反向漏电流控制在较低水平,减少待机损耗,提升电路整体效率。
  • 非重复峰值浪涌电流(Ifsm):80A(典型脉冲宽度8.3ms)。可承受短时间过流冲击(如电源开机瞬间、负载突变),提升电路可靠性。

二、封装与品牌背景

2.1 封装特性

SS310A采用DO-214AC(SMA)表面贴装封装,尺寸约2.7mm×1.7mm×1.1mm,具备三大优势:

  • 体积小巧,节省PCB空间,适配便携设备(如智能穿戴、迷你充电器)的小型化设计;
  • 贴装兼容性强,可通过常规SMT生产线批量生产,降低制造难度;
  • 引脚间距合理,便于焊接与散热设计,提升电路稳定性。

2.2 品牌可靠性

Hottech(合科泰)是国内专注功率半导体的制造商,产品覆盖肖特基二极管、MOSFET等,广泛应用于家电、通信领域。SS310A通过RoHS环保认证,且经过温度循环、湿度老化等严格测试,确保在-55℃至150℃的宽温范围内稳定工作。

三、典型应用场景

SS310A的性能特性使其适配多种中低压电路,常见应用包括:

3.1 开关电源次级整流

在AC-DC开关电源(如手机充电器、LED驱动电源)的次级电路中,SS310A可将高频交流电转换为直流电。其低正向压降可提升电源转换效率(相比硅整流管效率提升2%-5%),同时减少发热,延长电源寿命。

3.2 电机驱动续流

在小型直流电机、BLDC电机驱动电路中,SS310A作为续流二极管,吸收电机线圈断电时的反向电动势,保护驱动芯片(如MOSFET)。肖特基二极管反向恢复时间极短(ns级),可快速响应续流需求,提升电机控制精度。

3.3 低压电路反向保护

在电池供电设备(如便携式仪器、无人机)中,SS310A用于反向电压保护:当电池正负极接反时,二极管反向截止,避免设备损坏。100V反向耐压足够应对常见反向过压场景。

3.4 高频整流电路

肖特基二极管高频特性优异,SS310A可用于射频电路、开关电源的高频整流环节,相比普通硅管更适合高频信号处理。

四、选型参考与注意事项

4.1 功率与电流匹配

  • 连续正向电流需控制在额定值的50%-70%(1.5A-2.1A),避免长时间过载发热;
  • 若存在频繁浪涌,需确认Ifsm(80A)是否满足需求(如大功率电源开机浪涌需评估)。

4.2 散热设计

  • 3A电流下,SS310A损耗约2.85W(3A×0.95V),需在PCB预留≥10mm²铜箔,或通过散热片辅助散热;
  • 环境温度超25℃时,温度每升高10℃,电流额定值约降10%。

4.3 反向电压余量

实际应用需留20%-30%反向电压余量(实际电压不超70V-80V),避免电压波动导致反向击穿。

五、总结

Hottech SS310A肖特基二极管凭借低正向压降、高浪涌能力、小体积封装等优势,成为中低压电路的高性价比选择。其适用于开关电源、电机驱动、反向保护等场景,符合环保标准且可靠性强。选型时需注意电流降额、散热设计及电压余量,确保电路长期稳定工作。

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