WMSIC Electronic Components

TECH PUBLIC SS54A

ModelSS54A
PackageSMA
BrandTECH PUBLIC
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

15 specifications

Core information

Product name
TECH PUBLIC SS54A
Type
TECH PUBLIC
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
SS54A
Electronic Component
1
Package
SMA
Electronic Component
Schottky Diode
Electronic Component
0.114g
Electronic Component
1
Electronic Component
BM0264888215
Diode
1
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.

SS54A 产品概述(TECH PUBLIC / 台舟电子)

一、产品简介

SS54A 是台舟电子(TECH PUBLIC)推出的一款单颗独立式整流二极管,采用金属—硅结(Metal–Si)结构,SMA 表面贴装封装(DO‑214AC 等效)。器件塑料外壳满足 UL 94V‑0 阻燃等级,适合高密度表面贴装工艺。凭借低正向压降和高载流能力,SS54A 在开关电源与电源管理应用中表现优异,能有效降低损耗、提高系统效率。

二、主要特性

  • SMA 表面贴装封装,适配自动化贴装与回流焊工艺。
  • 金属硅结结构,少数载流子或肖特基特性带来低正向压降、快速恢复(低反向恢复时间)。
  • 低功率损耗,高效率:在导通时显著降低能量损耗,适合高频开关场合。
  • 高电流能力:适用于数安培级别整流与续流需求。
  • 塑料封装具备 UL 94V‑0 阻燃等级,符合一般工业应用的安全要求。
  • 单独器件,便于故障定位与模块化设计。

三、典型电气参数(供参考,具体以产品数据表为准)

  • 反向耐压(VR):常见型号为 40V 量级(SS54 系列通常为 40V)。
  • 平均整流电流(IF(AV)):典型额定为 5A(在规定散热条件下)。
  • 峰值正向电流与脉冲能力:支持短时较大脉冲电流(请参阅数据表中的脉冲额定曲线)。
  • 正向压降(VF):相对较低,典型值随电流变化(在数安培工况下可低于 0.6V,具体见曲线)。
  • 反向漏电流(IR):随温度上升而增加,应在高温工况下关注漏电特性。
  • 工作温度范围与结温上限:常见工作结温可达 125–150°C(请以型号数据表标注为准)。

注:上述参数为通用参考值,设计时务必依据 TECH PUBLIC 提供的最新器件规格书及温度/频率附图进行确认与热设计校核。

四、典型应用场景

  • 开关电源与开关稳压器(输出整流、续流二极管)。
  • DC‑DC 转换器的输入/输出整流与保护。
  • 反接保护、电源路径选择与电池保护电路。
  • 充电器与电源模块中的整流与能量回收。
  • 需低压降、高效率整流的工业与消费电子设备。

五、封装与工程使用建议

  • PCB 布局:推荐在焊盘周围增大铜箔面积并结合过孔或热沉层以改善散热,尽量将热量引导到大铜箔或散热层。
  • 焊接工艺:兼容标准无铅回流焊曲线,注意避免过热导致封装性能退化。
  • 极性标识:SMA 封装一侧通常有阴极标记,设计 PCB 时应明确极性方向并在丝印上标注以防装配错误。
  • 热设计:在长时间大电流应用中需进行结温与功耗计算,并考虑适当的电流降额或散热措施。
  • 验证测试:在最终应用环境下进行温升、浪涌、反向泄漏与寿命试验,验证可靠性。

六、选型与质量建议

  • 在并联使用或高脉冲场合,注意匹配器件的 VF 与热阻,避免结温不均导致应力集中。
  • 购买时核对 TECH PUBLIC(台舟电子)给出的完整数据表与封装尺寸图,确认器件的电气极限与热参数。
  • 对关键应用建议进行样品验证,并在长期量产前完成可靠性与环境应力测试。

结语:SS54A 以其低正向压降、高电流承载能力与表面贴装工艺适配性,适合用于需兼顾效率与成本的电源整流与保护场合。为保证系统可靠性,请在具体设计中结合器件数据表进行热与电气裕量设计。

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