WMSIC Electronic Components

ROHM RBR2MM60ATFTR

ModelRBR2MM60ATFTR
PackageSOD-123FL
BrandROHM
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
ROHM RBR2MM60ATFTR
Type
ROHM
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ROHM
Electronic Component
RBR2MM60ATFTR
Electronic Component
1
Package
SOD-123FL
Electronic Component
Schottky Diode
Electronic Component
0.029g
Electronic Component
1
Electronic Component
BM0228291499
Current
2A
Diode
1
Current(Ir)
75uA@60V
(Vf)
650mV@2A
Electronic Component
Electronic Component
Electronic Component
3000
Voltage Rating(Vr)
60V

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

RBR2MM60ATFTR 产品概述

一、产品简介

RBR2MM60ATFTR 是 ROHM(罗姆)生产的一款肖特基整流二极管,面向中小功率表面贴装应用。其典型参数为:正向压降 Vf = 650 mV(在 If = 2 A 时),直流反向耐压 Vr = 60 V,额定整流电流 2 A,反向漏电流 Ir = 75 μA(在 Vr = 60 V 时),非重复峰值浪涌电流 Ifsm = 20 A。封装为 SOD-123FL,兼顾体积与散热性能,适合在空间受限但需较好热管理的电路中使用。

二、主要特点

  • 低正向压降:Vf ≈ 0.65 V@2 A,可显著降低导通损耗,提高效率,尤其在高电流或长时间导通场合更为明显。
  • 适中耐压:60 V 的反向耐压适用于常见的 12 V、24 V 车载与工业电源系统以及部分通信设备电源。
  • 低漏电流:75 μA@60 V 的反向电流在同类器件中处于可接受范围,利于降低待机损耗,但需注意温度对漏电流的敏感性。
  • 良好浪涌承受能力:20 A 的非重复峰值浪涌电流能应对短时间的启动电流或突发浪涌(如电容充电瞬态)。
  • SOD-123FL 封装:体积小、易贴装,适合自动化贴装与回流焊,但需合理的 PCB 散热设计以保证长期可靠性。

三、电气参数与工程意义

  • 正向压降(Vf = 650 mV@2 A):在 2 A 连续工作时,单管功耗约为 P = Vf × I ≈ 1.3 W。系统设计时需根据这一功耗安排足够的散热路径(铜箔面积、过孔或靠近散热块)。
  • 反向耐压(Vr = 60 V):适合 48 V 以下的直流母线或车载负载,若应用于更高电压环境应选更高 Vr 的器件或并联/串联方式并进行充分的电压分配与保护。
  • 反向漏电流(Ir = 75 μA@60 V):漏电流会随温度升高呈指数增加,若用于低功耗待机电路或高温环境需评估温度下的漏电影响,必要时选择漏电更小的型号。
  • 浪涌电流(Ifsm = 20 A):能承受短时冲击,但应避免频繁或长时间的浪涌,否则会加速结温上升与器件失效。

四、典型应用场景

  • 开关电源的输出整流与续流二极管(中低功率 DC-DC、AC-DC 小功率输出段)。
  • 车载电源系统的反向保护、整流与防误接电路(适用于 12 V/24 V 车载应用)。
  • 电池管理与充电电路的防反接保护及整流。
  • LED 驱动、便携设备电源路径选择与低压降整流。
  • 一般低损耗整流、二极管 ORing、自由轮回路等需要快速响应和低压降的场合。

五、封装与热管理建议

SOD-123FL 为表面贴装小型封装,散热主要依赖于与 PCB 的热传导。设计时建议:

  • 在器件下方与周围保留足够的铜箔面积,必要时多加过孔连接底层大铜箔以提高散热能力。
  • 在连续 2 A 工况或高脉冲频率下评估结温,确保结温不超过器件允许范围。
  • 板级热阻与环境温度对功耗余量影响显著,布板时优先考虑散热路径和与其它热源的距离。

六、选型建议与注意事项

  • 若目标电路对待机漏电流极其敏感(如 µA 级),应注意本器件在高压条件下的 75 μA 级漏电可能不满足要求,需选择更低 Ir 的型号。
  • 对于更高电压或更高浪涌能力的场合,考虑更高 Vr 或更大 Ifsm 的器件,或并联/串联并配合热均衡与电压共享措施。
  • 肖特基二极管反向恢复时间短,适合高频开关场合,但请注意肖特基器件的温度敏感性(Vf 与 Ir 随温度变化明显)。
  • 布局时确保输入/输出线宽、焊盘和过孔能承载额定电流并有良好散热,避免局部过热导致失效。

七、总结

RBR2MM60ATFTR 是一款面向中低功率整流应用的肖特基二极管,具有较低正向压降、合理的耐压等级与可承受的浪涌能力,适合车载、通信、电源管理及一般整流保护场合。合理的 PCB 散热设计和对温漂及漏电的评估是保证长期可靠性的关键。根据具体应用的峰值与环境条件做出匹配与布局调整,可充分发挥该器件的低损耗优势。

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