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MBR0520
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- YONGYUTAI MBR0520
- Type
- YONGYUTAI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YONGYUTAI
- Electronic Component
- MBR0520
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.032g
- Electronic Component
- 1
- Electronic Component
- BM0226337777
- Current
- 500mA
- Diode
- Electronic Component
- Current(Ir)
- 250uA@20V
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage Rating(Vr)
- 20V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MBR0520 产品概述
一、产品简介
MBR0520 是永裕泰（YONGYUTAI）出品的一款独立式肖特基二极管，封装为 SOD-123，专为低压、低损耗整流与保护应用设计。器件具有较低的正向压降和快速开关特性，适用于对效率和体积有要求的小功率电源与电路保护场景。
二、主要参数
- 二极管类型：肖特基（独立式）
- 正向压降（Vf）：385 mV @ 0.5 A
- 额定整流电流（Io）：500 mA（直流）
- 非重复峰值浪涌电流（Ifsm）：5.5 A（单次浪涌）
- 直流反向耐压（Vr）：20 V
- 反向漏电流（Ir）：250 μA @ 20 V
- 封装：SOD-123
- 品牌：YONGYUTAI（永裕泰）
三、关键性能与优势
- 低正向压降：0.385 [email protected] A 在降低功率损耗、减小发热方面有明显优势，适合低电压回路的整流或保护用途。
- 快速响应：肖特基结构固有的无恢复时间特性，适合高频开关电源和整流场合，减少开关损耗与尖峰干扰。
- 小型封装：SOD-123 封装有利于节省 PCB 面积并支持自动贴装，适合体积受限的应用。
- 合理的浪涌能力：5.5 A 的单次浪涌能力可应对短时启动或突发过载，但不适合作为长期大电流冲击承载。
四、典型应用场景
- 低压开关电源的输出整流与续流二极管。
- USB、移动设备及便携式电源的反向充电保护和防反接保护。
- 二次侧低压整流、功率管理模块的续流回路。
- 通信设备、传感器模块和工业控制中对低压差整流和快速切换有需求的电路。
五、使用与布局建议
- 散热与温度管理：尽管 Io 为 500 mA，但肖特基随温度上升反向漏电流显著增加，应在高温环境下考虑降额工作并提供良好散热路径。
- PCB 布局：散热铜箔尽量连至封装底部引脚附近，减小导线长度以降低寄生电感；靠近能量源侧放置以减少寄生阻抗与电压跌落。
- 浪涌与保护：Ifsm 为非重复峰值浪涌电流，适合瞬态浪涌保护，但不宜频繁承受高浪涌，必要时并联或配合限流元件使用。
- 焊接与可靠性：SOD-123 适合回流焊工艺，遵循厂商推荐的焊接温度曲线以避免封装损伤。
六、选型与注意事项
- 反向漏电流较高：250 μA@20 V 在某些低泄漏要求的电池或高阻抗传感电路中可能不合适，应根据系统对待机能耗和精度的要求评估。
- 额定电压与余量：Vr 为 20 V，适用于低压系统；若电路存在较大瞬态或反压，建议选用更高 Vr 余量的器件。
- 替代比较：若需更低漏电或更高电流能力，可考虑规格更高的肖特基或整流二极管，但会带来体积或成本变化。
总体而言，MBR0520（SOD-123）是面向小功率、低压差、高频整流与保护场景的一款经济型肖特基二极管。合理的热设计与正确的电路匹配可发挥其低损耗、快速响应的优势。
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