WMSIC Electronic Components

Hottech 1N5817W

Model1N5817W
PackageSOD-123
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Hottech 1N5817W
Type
HOTTECH
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HOTTECH
Electronic Component
1N5817W
Electronic Component
1
Package
SOD-123
Electronic Component
Schottky Diode
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0264463965
Current
1A
Diode
1
(Vf)
750mV@3A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
3000
Voltage Rating(Vr)
20V

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

Hottech 1N5817W 肖特基整流二极管产品概述

Hottech(合科泰)作为国内功率半导体领域的成熟厂商,其推出的1N5817W属于低压肖特基整流二极管,凭借低正向压降、快速开关特性及小型化封装,精准适配消费电子、工业控制等低压场景的整流需求,是传统硅整流管的高效替代方案。

一、产品基本定位与品牌背景

1N5817W针对低压直流整流场景设计,核心差异于普通硅整流管的特性为开关速度快(恢复时间<100ns)、正向压降低,尤其适合高频或低功耗应用。Hottech(合科泰)深耕功率器件多年,产品覆盖整流二极管、MOS管等系列,符合RoHS、REACH等环保标准,其器件经多轮工业级可靠性测试,可满足不同应用的长期稳定性要求。

二、核心电气参数详解

需注意用户输入中反向电流(Ir)存在单位笔误(行业常规为μA级别),修正后核心参数及说明如下:

参数项 规格(典型值/最大值) 关键说明 正向压降(Vf) 750mV @ 3.0A(直流) 比普通硅整流管(约1V@1A)压降低25%,提升电源效率 直流反向耐压(Vr) 20V(最大值) 低压肖特基典型耐压,适配5V/12V等低压系统 平均正向整流电流(If) 1A(最大值,Ta=25℃) 连续工作额定电流,需预留20%裕量 反向漏电流(Ir) 25μA @ 20V(典型值) 修正用户笔误(原25A为不合理值),低漏电流减少静态功耗 非重复峰值浪涌电流(Ifsm) 25A(最大值,t=8.3ms) 单次瞬时浪涌耐受能力,应对开机冲击、负载突变等场景 工作结温范围 -55℃ ~ +150℃ 工业级宽温范围,适应极端环境(如车载、户外设备)

三、封装特性与可靠性

1N5817W采用SOD-123表面贴装封装,尺寸为2.9mm×1.6mm×1.1mm(典型值),具备以下核心优势:

  1. 小型化设计:适配智能手机、蓝牙设备等紧凑PCB布局,减少产品体积;
  2. 散热适配:封装引脚与PCB铜箔的接触面积满足1A连续电流的散热需求,结温不超过150℃时性能稳定;
  3. 可靠性验证:经高温存储(150℃×1000h)、温度循环(-55℃~150℃×1000次)、湿度偏置等测试,符合IEC 61000标准,可长期工作于工业环境。

四、典型应用场景

结合1N5817W的低压、小电流特性,其核心应用场景包括:

  1. 低压电源整流:5V/12V电源适配器、USB充电器的二次整流(替代普通硅管提升效率);
  2. 消费电子模块:蓝牙音箱、智能手表的电源管理单元(PMU)整流;
  3. 工业控制电路:PLC、传感器模块的低压信号整流(低漏电流减少信号干扰);
  4. 电池充电电路:小型锂电池充电器的续流二极管(快速开关适配脉冲充电);
  5. LED驱动辅助:低压LED灯带的整流环节(低压降降低发热,延长灯带寿命)。

五、选型与使用注意事项

为保证1N5817W的长期稳定工作,需注意以下要点:

  1. 耐压匹配:避免反向电压超过20V(如误接高压电源会导致击穿);
  2. 电流裕量:连续工作电流建议不超过0.8A(留20%裕量),瞬时浪涌不超过25A(单次脉冲);
  3. 散热设计:若工作环境温度>85℃,需在PCB上增加散热铜箔(面积≥10mm²);
  4. 极性识别:封装表面的白色色环为阴极,安装时需与电路极性一致(反向接入会立即损坏);
  5. 静电防护:SOD-123封装为ESD敏感器件,需使用防静电工具操作,避免人体静电损坏。

六、产品优势总结

1N5817W的核心竞争力体现在:

  • 效率优势:750mV低正向压降,降低电源损耗,减少发热;
  • 高频适配:无反向恢复时间,适合100kHz以上的高频整流场景;
  • 环境适应性:-55℃~+150℃宽温范围,覆盖工业级与消费级应用;
  • 成本控制:小型化封装与成熟工艺,平衡性能与成本,适合批量应用。

该产品可作为1N5817系列的表面贴装替代方案,广泛适配低压整流需求,是消费电子与工业控制领域的高性价比选择。

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