WMSIC Electronic Components

TDD RS1M

ModelRS1M
PackageSMAF
BrandTDD
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 Option 171413

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
TDD RS1M
Type
TDD
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TDD
Electronic Component
RS1M
Electronic Component
1
Package
SMAF
Electronic Component
0.092g
Electronic Component
1
Electronic Component
BM0266040355
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.

TDD RS1M 1A/1kV SMA封装整流二极管产品概述

一、产品基本定位与核心参数

TDD(台冠电子)RS1M是一款1A小功率整流二极管,采用SMA(DO-214AC)贴片封装,专为中小功率电路的工频/低频整流场景设计。其核心参数平衡了耐压、电流与封装体积,具体指标如下:

  • 持续整流电流:1A(直流,环境温度25℃时的额定值);
  • 直流反向耐压:1kV(最大允许反向阻断电压,无击穿风险);
  • 正向压降:1.3V(@1A导通电流,低损耗特性);
  • 反向漏电流:5μA(@1000V反向电压,截止状态能耗极低);
  • 反向恢复时间:500ns(适合工频及低频开关场景);
  • 工作结温范围:-55℃~+150℃(工业级宽温,适配极端环境);
  • 非重复峰值浪涌电流:30A(@8.3ms半波脉冲,抗开机冲击)。

二、封装与可靠性设计

RS1M采用SMA贴片封装(符合DO-214AC国际标准),尺寸约2.2mm×4.5mm×1.5mm,具备三大核心设计优势:

  1. 贴装兼容性:适配自动化回流焊、波峰焊工艺,可集成于高密度PCB板,提升生产效率;
  2. 耐温可靠性:封装材料采用耐高温改性塑料,与工作结温(-55~150℃)完全匹配,能承受工业环境下的温度波动;
  3. 引脚稳定性:镀锡铜引脚抗氧化性强,焊接牢固且接触电阻小,避免因引脚氧化导致的性能下降。

三、关键性能指标详解

1. 正向导通:低损耗降低功耗

正向压降Vf=1.3V@1A,在1kV高压整流场景中属于低损耗水平——导通时的电压降直接决定整流电路的热损耗,该参数可有效减少电源效率损失,延长设备使用寿命。

2. 反向阻断:高耐压+低漏电流

  • 直流反向耐压1kV:满足220V市电整流后的高压端需求(整流后峰值电压约311V,远低于1kV极限);
  • 反向漏电流5μA@1000V:截止状态下漏电流极小,避免反向功率损耗,提升电路稳定性。

3. 开关与浪涌:适配常规应用场景

  • 反向恢复时间500ns:适合50/60Hz工频整流,或频率低于1kHz的低频开关(如小家电控制电路);若需高频应用,需搭配快恢复二极管,但RS1M无需高频特性即可覆盖90%常规场景;
  • 浪涌电流30A:非重复峰值电流,可承受开机瞬间的电容充电冲击,避免因过流损坏,提升电路抗干扰能力。

4. 宽温工作:工业级环境适配

结温范围-55℃+150℃,符合工业级标准,可应用于户外设备(温度波动大)、车载电子(车内-40℃85℃环境)等极端场景,无需额外温度补偿。

四、典型应用场景

RS1M因参数平衡、封装紧凑,广泛覆盖以下领域:

  1. 中小功率开关电源:手机充电器、LED驱动电源(1A以内输出)、笔记本电源适配器的高压整流级;
  2. 工业控制电路:PLC模块、传感器电源、小型变频器的辅助整流电路(宽温适配车间环境);
  3. 家电产品:微波炉、电磁炉、洗衣机的低压控制电源(浪涌耐受适合开机冲击);
  4. 通信设备:基站辅助电源、路由器电源模块(贴片封装适配高密度PCB);
  5. 车载电子:汽车仪表盘、辅助照明电路的整流部分(宽温适应车内温差)。

五、选型与使用注意事项

  1. 降额设计:为保证长期可靠性,建议持续工作电流降额至0.8A以内,反向电压降额至800V以内(避免接近极限参数);
  2. 散热优化:1A电流下,SMA封装需在PCB上设计≥10mm²的铜箔面积,或添加散热焊盘,避免结温超过150℃;
  3. 焊接规范:回流焊峰值温度需≤260℃(时间≤10s),避免过温损坏芯片;
  4. 场景匹配:若应用于10kHz以上高频开关,需选用快恢复二极管(Trr<100ns),RS1M仅适合低频场景;
  5. 静电防护:贴片二极管易受静电损坏,生产过程需佩戴防静电手环,使用防静电包装。

总结

TDD RS1M是一款高性价比、高可靠性的1A整流二极管,其1kV耐压、宽温范围、浪涌耐受能力,结合SMA紧凑封装,完美适配中小功率整流场景。无论是工业控制、家电还是通信设备,均能提供稳定的整流性能,是替代同类进口产品的优质选择。

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