WMSIC Electronic Components

JUXING SL20100DS

ModelSL20100DS
PackageTO-252
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 SL20100DS
Type
JUXING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JUXING
Electronic Component
SL20100DS
Electronic Component
1
Package
TO-252
Electronic Component
Schottky Diode
Electronic Component
0.417g
Electronic Component
1
Electronic Component
BM0265601750
Current
20A
Diode
1
Current(Ir)
650uA
(Vf)
600mV@20A
Electronic Component
55℃~+125℃
Electronic Component
Electronic Component
Electronic Component
3000

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

SL20100DS肖特基二极管产品概述

SL20100DS是JUXING(钜兴)推出的独立式肖特基整流二极管,针对中低压大电流整流场景优化设计,凭借低正向压降、高连续电流承载能力及宽工作温区等核心优势,广泛适配开关电源、车载电子、工业控制等领域的电源整流需求。

一、产品定位与核心特性

SL20100DS定位于中功率肖特基整流器件,核心特性聚焦“高效、可靠、耐环境”三大方向:

  • 低功耗优势:正向压降仅600mV(@20A连续电流),较普通肖特基二极管降低约10%-15%的导通损耗,提升电源转换效率;
  • 大电流承载:20A直流连续整流电流,满足多数中功率设备的供电需求,无需并联多颗器件简化电路;
  • 宽温可靠性:工作结温覆盖-55℃至+125℃,适配极端环境(如车载高温、工业低温场景);
  • 抗浪涌能力:非重复峰值浪涌电流达180A,可有效应对开机瞬态冲击或负载突变带来的电流尖峰。

二、关键参数详解

SL20100DS的核心参数经过针对性优化,关键指标的实际意义如下:

1. 正向压降(Vf)

正向压降是肖特基二极管的核心效率指标,SL20100DS在额定电流20A下仅为600mV——该参数直接决定导通损耗:若电源输出12V/20A,其导通损耗为20A×0.6V=12W,远低于高Vf器件的损耗,可减少散热设计压力。

2. 整流电流(IF)

直流连续整流电流额定值为20A,适用于中功率电源的主整流或续流回路,避免并联多颗器件带来的电路复杂度增加。

3. 反向耐压(VR)

反向耐压额定100V,覆盖多数中低压电路的反向电压需求(如12V、24V、48V系统),有效避免反向击穿风险。

4. 反向漏电流(Ir)

反向漏电流为650μA(典型值),漏电流小意味着反向截止时的功耗低,且在高温环境下仍能保持稳定,提升电路可靠性。

5. 浪涌电流(Ifsm)

非重复峰值浪涌电流达180A(持续时间≤8.3ms),可抑制开机瞬间电容充电的浪涌冲击,减少器件损坏概率。

三、封装与可靠性设计

SL20100DS采用TO-252贴片封装,兼具以下优势:

  • 自动化兼容:适配SMT生产线,实现高效批量贴装,降低生产升本;
  • 散热优化:内置大面积散热焊盘,可通过PCB铜箔或附加散热片快速导出热量,确保结温不超过额定值;
  • 机械可靠性:封装结构紧凑,抗振动、抗冲击性能满足工业级标准,适配车载、户外等振动环境。

四、典型应用场景

SL20100DS的参数特性使其适配多种中低压大电流场景:

  1. 开关电源:AC-DC适配器、DC-DC转换器的输出整流/续流,低Vf提升转换效率(如12V/20A电源效率可提升1%-2%);
  2. 车载电子:车载充电器、车载信息娱乐系统的电源模块,宽温(-40℃至+85℃车载环境)及抗浪涌能力适配汽车级需求;
  3. 工业控制:PLC、变频器、伺服驱动器的辅助电源整流,宽温及可靠性满足工业现场需求;
  4. 通信设备:基站电源、路由器、交换机的电源模块,低损耗特性降低设备功耗及散热要求;
  5. 新能源辅助:小功率光伏逆变器、储能电池充放电回路的整流,适配低电压场景。

五、选型与应用注意事项

为确保SL20100DS的可靠使用,需注意以下要点:

  1. 电流裕量设计:实际应用中建议预留20%-30%的电流裕量(最大连续电流不超过14A-16A),避免长期过载;
  2. 散热设计:TO-252封装需配合至少10mm²以上的PCB铜箔(厚度≥1oz),高温场景需附加小型散热片;
  3. 浪涌防护:若电路中浪涌频繁,建议配合TVS二极管或压敏电阻进一步防护;
  4. 焊接工艺:回流焊温度需符合TO-252封装标准(峰值温度≤260℃,持续时间≤10s),避免热损坏;
  5. 反向电压限制:电路中反向电压需低于100V,过压风险场景需增加过压保护电路。

SL20100DS凭借平衡的性能与成本优势,成为中低压大电流整流场景的高性价比选择,可有效简化电路设计、提升系统效率及可靠性。

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