WMSIC Electronic Components

AVX SD1206S100S1R0

ModelSD1206S100S1R0
Package1206
BrandAVX
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

20 specifications

Core information

Product name
AVX SD1206S100S1R0
Type
AVX
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
AVX
Electronic Component
SD1206S100S1R0
Electronic Component
1
Package
1206
Electronic Component
Schottky Diode
Electronic Component
0.049g
Electronic Component
1
Electronic Component
BM0259461835
Current
1A
Current(Ir)
200uA@100V
(Vf)
850mV@1A
Electronic Component
Electronic Component
Electronic Component
3000
Voltage Rating(Vr)
100V

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

SD1206S100S1R0 产品概述

一 概要说明

SD1206S100S1R0 是 AVX 推出的 1206 封装表面贴装肖特基整流二极管,额定整流电流 1A,直流反向耐压 100V。典型应用为电源整流、反向保护、续流与开关电路中对开关损耗和速度有要求的场合。器件以卷带(reel,tape)形式供应,适配自动化贴片生产线。

二 主要电气参数

  • 正向压降 Vf = 850 mV @ 1 A(典型/测试条件):用于估算正向导通时的功耗与热耗散;在高电流下正向压降带来的功耗不容忽视。
  • 直流反向耐压 Vr = 100 V:可承受中等电压的反向偏置,适合多数中低功率电源拓扑。
  • 整流电流 If = 1 A(额定连续值):实际可通过能力依赖于电路板散热条件及环境温升。
  • 反向电流 Ir = 200 μA @ 100 V:在最大反向电压下存在可观的漏电流,且随温度上升显著增加,需在高阻抗或低泄漏要求的场景中慎用。

以上参数为设计考量的关键点,具体使用时应结合厂商完整数据表与实际环境温度做热与电流降额处理。

三 热管理与可靠性要点

肖特基二极管在导通时功耗 P ≈ Vf × I。按 1 A 时 Vf=0.85V 计算,器件约产生 0.85 W 热量,若无足够散热将导致结温上升、漏电增加与可靠性下降。建议:

  • 在 PCB 版面上提供较大铜面积散热垫,必要时使用多层铜和通孔导热。
  • 保持焊盘与走线粗宽,减少接触电阻。
  • 在高脉冲或浪涌场景考虑额外散热或选用更高额定器件。

四 封装与贴装建议

  • 封装:1206(公制 3216)标准 SMD,适配常规 1206 型号的 PCB 封装设计。
  • 供货:卷带包装,适用于高速贴片机取料。
  • 贴装:遵循 AVX 的回流焊温度曲线与焊膏推荐,避免超过材料允许的峰值温度并控制回流时间。
  • 储存与搬运:遵守一般半导体静电防护(ESD)与防潮措施,长时间潮湿环境下建议按厂商说明进行烘烤回潮处理。

五 典型应用场景

  • 开关电源整流与输出整流。
  • 作为电源输入的反向保护二极管。
  • 电机驱动与感性负载的续流二极管(须评估电流脉冲能力)。
  • DC-DC 转换器中用于降低切换损耗的肖特基整流。

六 设计注意事项与建议

  • 在设计时对 If、Vf 与结温做联合评估,必要时采取电流降额与热管理对策。
  • 若电路对漏电要求严格(如电表、采样电路),应注意 200 μA @100 V 的反向漏电对系统影响,或考虑选用低漏电型号。
  • 对可能出现的浪涌或瞬态电压,应额外配置 TVS 或限流器件以保护肖特基二极管。
  • PCB 布局上将二极管靠近负载或滤波电容放置可减少寄生走线与环路电感。

七 采购与质量控制提示

  • 采用卷带供货便于 SMT 线批量装配,订购时注意最小订购单位与包装单位。
  • 收货时建议进行外观检查与部分电气抽测(Vf、Ir),并保存供料批次与存储条件记录以便追溯。
  • 如需在高可靠性项目中使用,建议向 AVX 索取完整器件认证(如可靠性测试报告、基板试验数据)并做来料放行测试。

总结:SD1206S100S1R0 提供了封装小、耐压 100 V、1 A 级别的肖特基整流能力,适合中等功率、对开关速度和正向压降有要求的商用与工业电子应用。选型时需重视正向功耗、散热设计与反向漏电对系统的影响。若需更低 Vf 或更低 Ir 的性能,应在同类产品中进一步比选或咨询供应商。

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