WMSIC Electronic Components

GOODWORK MMBD7000LT1G

ModelMMBD7000LT1G
PackageSOT-23
BrandGOODWORK
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

19 specifications

Core information

Product name
GOODWORK MMBD7000LT1G
Type
GOODWORK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
MMBD7000LT1G
Electronic Component
1
Package
SOT-23
Electronic Component
Switch Diode
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0257623402
Current
200mA
Diode
1
Current(Ir)
1uA@50V
(Vf)
550mV@1mA
Power Dissipation(Pd)
225mW
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.

MMBD7000LT1G 产品概述

一、产品简介

MMBD7000LT1G 是 GOODWORK(固得沃克)推出的一款小信号快速开关二极管,采用 SOT-23 封装,器件内部为一对串联二极管结构(1对串联式)。该器件针对高速开关、信号整形与小功率整流场合优化,体积小、响应快、泄漏低,适合便携和密集布局的电路板应用。

二、主要电气参数

  • 正向压降 (Vf):0.55 V @ 1 mA
  • 直流反向耐压 (Vr):75 V
  • 额定整流电流:200 mA(直流)
  • 最大耗散功率 (Pd):225 mW
  • 反向电流 (Ir):1 µA @ 50 V
  • 反向恢复时间 (Trr):4 ns(快速恢复)
  • 非重复峰值浪涌电流 (Ifsm):2 A
  • 封装:SOT-23;品牌:GOODWORK(固得沃克)

这些参数表明器件在小信号和中等频率开关环境下具有良好的开关速度与低漏电特性,同时耐压达到 75 V,能够应对较高反向电压的环境。

三、封装与热性能

SOT-23 小外形利于高密度 PCB 布局,但其散热能力受限。最大耗散功率为 225 mW,在实际使用时应考虑环境温度和 PCB 散热设计,必要时通过加大铜箔面积或使用散热垫来提高功率承受能力。器件为串联对结构,在布局上需考虑串联引脚排布与走线匹配,避免引入额外寄生电感影响高速性能。

四、典型应用场景

  • 高频/高速信号整形与钳位
  • 小功率整流与反向保护
  • 快速开关与脉冲信号处理(Trr = 4 ns 适合较快切换)
  • 电平移位、检测与低电流测量电路
  • 便携式电源与电池管理的低功率保护电路

五、设计与使用建议

  • 正向工作时遵循额定整流电流 200 mA 与 Pd 限制,若工作电流接近或超过额定值,应增加散热或并联降压措施。
  • 对于存在浪涌或瞬态的大电流事件,参考 Ifsm = 2 A 的非重复峰值能力,但不要将其作为长期工作条件。
  • 在高反向电压应用中,尽量避免单只器件承受长期接近 Vr(75 V)的电压,应留有裕量或采取分压/限流策略。
  • 由于器件为串联两只二极管,正向压降会比单只略高(应用中按标称 Vf 评估);并联或选型时注意均流问题。
  • 高频或高速开关电路中应考虑走线短且低寄生电容/电感,以发挥 4 ns 的快速恢复优势。

六、可靠性与注意事项

  • SOT-23 为敏感表面贴装器件,推荐使用符合厂家推荐的回流焊工艺,避免超温或长时间高温暴露。
  • 在 ESD 管理、存储和搬运环节保持防静电措施,避免对 PN 结造成微损伤或泄漏增大。
  • 长期工作在高温、高应力条件下会降低器件寿命,设计时应预留温度与电流裕量。

七、选型与替代建议

若需更高电流或更大耗散功率,应选用更大封装或功率等级更高的器件;若对开关速度有更严格要求,可比较更低 Trr 的快速恢复或肖特基二极管产品线。选型时务必对比 Vf、Vr、Ir、Trr、Pd 与封装散热能力,确保满足系统长期可靠性要求。

(以上参数基于提供的器件基础参数整理,实际设计请参考 GOODWORK 正式数据手册及应用说明以获取完整电气特性曲线与封装尺寸。)

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