WMSIC Electronic Components

ROHM RBR3LAM30BTR

ModelRBR3LAM30BTR
PackageSOD-128
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 RBR3LAM30BTR
Type
ROHM
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ROHM
Electronic Component
RBR3LAM30BTR
Electronic Component
1
Package
SOD-128
Electronic Component
Schottky Diode
Electronic Component
0.058g
Electronic Component
1
Electronic Component
BM0264521135
Current
3A
Diode
1
Current(Ir)
80uA@30V
(Vf)
530mV@3A
Electronic Component
Electronic Component
Electronic Component
3000
Voltage Rating(Vr)
30V

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

RBR3LAM30BTR 肖特基整流二极管产品概述

一、产品基本属性

RBR3LAM30BTR是ROHM罗姆半导体推出的一款肖特基硅整流二极管,专为低压大电流场景设计。产品采用SOD-128表面贴装封装(2引脚),包装形式为编带(T/R),适配自动化贴装生产线,同时满足小型化电子设备的高密度集成需求。

二、核心电气参数解析

该产品的关键参数精准匹配低压应用的能效与可靠性要求,核心参数及意义如下:

1. 正向压降(Vf)

额定测试条件下(3A连续电流),正向压降仅为530mV,远低于普通硅PN结整流管(通常≥1V)。这一低压降特性是肖特基二极管的核心优势,可显著降低导通过程中的功率损耗(P=Vf×I),例如在3A电流下,导通损耗仅为1.59W,提升电源转换效率达10%以上(对比传统硅管)。

2. 反向耐压与漏电流

  • 直流反向耐压(Vr):30V,满足多数低压系统(如5V、12V、24V)的反向阻断需求,避免反向击穿;
  • 反向电流(Ir):80μA@30V,漏电流水平较低,可减少设备待机或低负载状态下的静态损耗,尤其适合对续航敏感的可穿戴设备、便携式电子等场景。

3. 额定整流电流

连续直流整流电流:3A,可稳定承载3A以下的持续电流,支持短时间(如10s)的脉冲过载(降额设计需结合散热条件)。

三、封装与物理特性

SOD-128封装是该产品的核心设计亮点,具体特性包括:

  • 尺寸紧凑:典型封装尺寸约2.9mm×1.6mm×1.1mm,仅为传统DO-214AC(SMA)封装的1/3左右,大幅节省PCB空间;
  • 双引脚设计:简化布局,降低焊接难度,适配高密度PCB(如智能手机主板、可穿戴设备模组);
  • 编带包装:每卷编带含3000个器件,适配SMT自动贴装,提高生产效率并减少人工成本;
  • 温度适应性:工作温度范围为-55℃~150℃,满足工业级与消费电子的环境要求。

四、典型应用场景

RBR3LAM30BTR的参数特性使其成为以下场景的理想选择:

1. 消费电子电源管理

  • 智能手机、平板的USB Type-C充电回路(5V/3A快充);
  • 便携式设备(如移动电源、蓝牙音箱)的充放电整流;
  • 笔记本电脑辅助电源(12V/3A以下回路)。

2. 可穿戴与小型智能设备

  • 智能手表、手环的电池充放电管理(低漏电流延长待机);
  • 无线耳机充电盒的整流电路。

3. 小型开关电源

  • 5V/3A手机充电器、LED驱动电源的次级整流;
  • 低功率(≤15W)开关电源的续流二极管。

4. 车载低压辅助系统

  • 12V车载电子(如行车记录仪、氛围灯)的电源整流;
  • 小型继电器、传感器的续流保护。

五、产品优势与价值

  1. 能效提升:低正向压降+低反向漏电流,减少导通与待机损耗,符合全球能效标准(如能源之星);
  2. 小型化适配:SOD-128封装支持高密度集成,满足消费电子“轻薄化”趋势;
  3. 可靠性保障:ROHM罗姆的半导体制造工艺,确保器件一致性与长期稳定性(MTBF达10^6小时以上);
  4. 生产兼容性:编带包装适配自动化贴装,降低制造成本;
  5. 降额设计空间:3A额定电流结合宽温度范围,支持复杂环境下的稳定工作(如高温车载场景)。

六、选型与使用注意事项

  1. 应用匹配:仅适用于≤30V反向电压、≤3A连续电流的场景,避免高压(>30V)或大电流(>3A持续)使用;
  2. 散热设计:3A电流下需保证PCB铜箔面积≥10mm²(或增加散热焊盘),避免局部过热;
  3. 焊接规范:回流焊温度≤260℃(持续时间≤30s),避免损伤封装;
  4. 降额使用:环境温度>100℃时,需将电流降额至2A以下,确保器件寿命。

综上,RBR3LAM30BTR是一款专为低压大电流场景优化的肖特基整流二极管,兼具低损耗、小封装、高可靠性等优势,可广泛应用于消费电子、可穿戴设备、小型电源等领域,是罗姆半导体在低压功率器件领域的代表性产品之一。

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