WMSIC Electronic Components

ON S2A

ModelS2A
PackageSMB(DO-214AA)
BrandON
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

20 specifications

Core information

Product name
ON S2A
Type
ON
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ON
Electronic Component
S2A
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
General Purpose Diode
Electronic Component
0.213g
Electronic Component
1
Electronic Component
BM0265624981
Current
2A
Diode
1
Current(Ir)
1uA@50V
(Vf)
1.15V@2A
Electronic Component
65℃~+150℃
Electronic Component
Electronic Component

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

ON安森美S2A通用整流二极管产品概述

一、产品基本信息

ON安森美S2A是一款通用整流二极管,属于S2系列(后缀字母代表反向耐压等级,A对应50V),采用DO-214AA(SMB)表面贴装封装,专为小功率整流、续流等场景设计。该产品兼顾电气性能与封装紧凑性,是消费电子、工业控制等领域的常用器件。

二、核心电性能参数详解

S2A的关键电参数明确了其适用范围,核心指标及意义如下:

  1. 正向压降(Vf):1.15V@2A(正向电流2A时的压降),直接影响器件功耗,低压降有助于提升电路效率;
  2. 直流反向耐压(Vr):50V(最大反向阻断电压),使用时需确保电路反向电压不超过此值,避免击穿;
  3. 整流电流(平均):2A(连续正向平均电流),是器件长期工作的额定电流,峰值电流参考 datasheet 补充(如典型峰值电流[email protected],10%占空比);
  4. 反向漏电流(Ir):1μA@50V(反向电压50V时的漏电流),漏电流极低,反向阻断特性优异,可减少电路待机功耗。

三、封装设计与物理特性

S2A采用DO-214AA(SMB)表面贴装封装,具备以下优势:

  • 尺寸紧凑:典型尺寸为长度2.5mm、宽度3.0mm、高度1.0mm,适合高密度PCB布局,节省电路板空间;
  • 焊接可靠:引脚间距合理,回流焊/波峰焊兼容性好,焊接后机械强度高;
  • 耐温范围宽:工作温度-55℃至150℃(工业级标准),存储温度-65℃至175℃,可适应恶劣环境;
  • 环保合规:符合RoHS 2.0及无卤标准,无铅无镉,满足绿色电子设计要求。

四、品牌与可靠性优势

作为ON安森美旗下产品,S2A具备显著可靠性:

  1. 严格质量管控:从晶圆制造到封装测试,全程遵循ISO/TS 16949等标准,批量一致性好;
  2. 可靠性测试:通过高温存储、温度循环、湿度老化、ESD(静电放电)等测试,失效率低;
  3. 长期供应:安森美产能体系成熟,产品生命周期长,可满足批量采购需求。

五、典型应用场景

S2A的电气特性使其适用于多种场景:

  1. 小功率开关电源:手机充电器、USB适配器的整流桥臂;
  2. 直流电源续流:电机驱动、继电器电路的续流二极管,防止反向电动势损坏器件;
  3. 电池充电保护:便携式设备充电电路的防反接保护;
  4. 小型家电整流:台灯、小风扇、加湿器等的AC-DC整流环节;
  5. 工业控制电路:PLC、传感器模块的信号整流与续流。

六、选型与使用注意事项

  1. 耐压选型:电路反向电压需留20%-30%余量(如电路反向电压40V,选S2A<50V>合适);
  2. 电流余量:平均正向电流不超过2A,峰值电流需结合占空比核算;
  3. 散热设计:2A电流下,PCB铜箔面积建议≥10mm²,避免局部过热;
  4. 焊接规范:回流焊温度≤260℃(时间≤10s),波峰焊温度≤250℃(时间≤5s);
  5. 存储要求:开封后避免暴露在湿度>60%环境中,建议12个月内使用。

S2A凭借紧凑封装、优异反向特性与可靠品牌背书,成为小功率整流场景的高性价比选择,可满足多数消费电子与工业级应用需求。

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