WMSIC Electronic Components

JUXING S1M

ModelS1M
PackageDO-214AC(SMA)
BrandJUXING
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
JUXING S1M
Type
JUXING
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JUXING
Electronic Component
S1M
Electronic Component
1
Package
DO-214AC(SMA)
Electronic Component
General Purpose Diode
Electronic Component
0.12g
Electronic Component
1
Electronic Component
BM0265601733
Current
1A
Diode
1
Current(Ir)
5uA
(Vf)
1V@1A
Electronic Component
Electronic Component
Electronic Component
5000
Voltage Rating(Vr)
1kV

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

S1M通用整流二极管产品概述

一、产品基本定位

S1M是钜兴(JUXING) 推出的通用型表面贴装整流二极管,属于小功率整流器件范畴,核心功能为电子电路中的单向导电、整流及续流,适配常规电子设备的电源转换、信号保护等场景。其以「低导通损耗、高耐压余量、高性价比」为核心优势,成为中低端电子领域的常用基础器件。

二、核心电气参数解析

S1M的关键参数直接决定适用范围,具体解析如下:

  1. 正向压降(Vf):1V@1A
    正向导通时,1A持续电流下的电压降仅为1V,远低于传统整流二极管的典型值(如2V左右),可显著降低电路导通损耗,提升电源效率(尤其适合对功耗敏感的便携式设备)。
  2. 直流反向耐压(Vr):1kV
    反向截止状态下可承受最大1kV直流电压,满足220V市电(峰值约311V)、380V低压系统(峰值约537V)等常规应用的电压需求,余量充足(约3倍于220V市电峰值),避免电压波动导致击穿。
  3. 额定整流电流(If):1A
    持续正向工作电流为1A,可稳定承载常规小功率电路的负载(如手机充电器、小型LED驱动);若需更高电流,可通过并联方式扩展(需注意均流设计)。
  4. 反向漏电流(Ir):5uA
    反向截止时漏电流仅5微安,漏电流小意味着反向功耗低、器件发热少,同时提升电路可靠性(减少反向漏电导致的误触发或功率损耗)。
  5. 非重复峰值浪涌电流(Ifsm):30A
    单次(非重复)可承受最大30A浪涌电流,能有效抵御电路启动瞬间、负载突变或瞬态过压带来的冲击,降低器件损坏风险。

三、封装与物理特性

S1M采用DO-214AC(SMA) 表面贴装封装,具有以下特点:

  • 尺寸紧凑:典型尺寸约2.7mm(长)×3.5mm(宽)×1.1mm(高),适合小型化电子设备的PCB布局(如便携式设备、高密度电源模块);
  • 焊接可靠:引脚采用镀锡工艺,适配常规回流焊(峰值温度260℃,持续时间≤10秒)和波峰焊工艺,焊接后机械强度高;
  • 散热适配:虽体积小,但通过PCB铜箔(建议≥5mm²)可有效散发热量,满足1A持续电流的散热需求(若负载电流接近1A,需增加铜箔面积或辅助散热)。

四、可靠性与环保性能

  1. 可靠性验证:产品经过高低温存储(-55℃150℃)、温度循环(-55℃125℃,500次)、焊接热冲击等行业标准测试,确保宽温环境下的稳定性;
  2. 环保合规:无铅无卤,符合RoHS 2.0及REACH环保指令,适配出口及绿色电子产品需求;
  3. 安全余量:反向耐压1kV、浪涌电流30A的参数设计,比常规应用需求留有充足余量,降低故障概率(如220V市电整流场景,耐压余量超2倍)。

五、典型应用场景

S1M因参数均衡、成本低廉,广泛应用于以下领域:

  1. 小功率开关电源:手机/平板充电器、LED驱动电源的整流桥(半桥/全桥),1A电流覆盖多数5V/2A以下电源;
  2. 家用电器控制:微波炉、电饭煲、电风扇的电源整流、续流,1kV耐压适配220V市电;
  3. 电子仪器仪表:示波器、万用表、传感器模块的电源模块,低Vf提升仪器效率;
  4. 汽车电子辅助:车载充电器、小型继电器续流回路(需确认温度范围适配-40℃~125℃);
  5. 信号保护:低功耗电路的反向电压保护、续流二极管(如电磁阀、继电器线圈续流,防止反向电动势损坏其他器件)。

六、使用注意事项

  1. 负载限制:持续正向电流≤1A,单次浪涌电流≤30A,反向电压≤1kV,避免过流/过压损坏;
  2. 散热设计:1A持续负载时,PCB需预留≥5mm²铜箔(建议连接到电源地或散热片);
  3. 焊接规范:回流焊峰值温度不超过260℃,波峰焊温度≤240℃,避免局部过热;
  4. 存储条件:未焊接器件需存储在温度-20℃~40℃、湿度≤60%的环境中,避免受潮影响焊接性能。

综上,S1M是一款性能稳定、成本可控的通用整流二极管,适合多数常规电子设备的基础整流/续流需求,是电子设计中替代传统插件二极管的理想选择。

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