Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
CJ MMBD1501A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ MMBD1501A
- Type
- CJ
- Minimum package
- 3000
Technical parameters
- Electronic Component
- CJ
- Electronic Component
- MMBD1501A
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Switch Diode
- Electronic Component
- 0.036g
- Electronic Component
- 1
- Electronic Component
- BM0230015469
- Current
- 200mA
- Diode
- Electronic Component
- Current(Ir)
- 10nA@180V
- (Vf)
- 1.5V@300mA
- Power Dissipation(Pd)
- 350mW
- Electronic Component
- 3000
- Voltage Rating(Vr)
- 200V
- Surge Current (Ifsm)
- 2A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MMBD1501A 产品概述
一、产品简介
MMBD1501A 是一款独立式高压开关二极管，CJ（江苏长电/长晶）品牌，采用 SOT-23 小封装。器件在 300mA 工作点的正向压降约为 1.5V，直流反向耐压可达 200V，整流电流额定 200mA，适用于空间受限且需耐高压的开关和保护场合。
二、主要电气参数（典型/额定）
- 正向压降 Vf：1.5V @ If = 300mA
- 直流反向耐压 Vr：200V
- 最大整流电流 If(AV)：200mA
- 耗散功率 Pd：350mW
- 反向漏电流 Ir：10nA @ Vr = 180V
- 非重复峰值浪涌电流 Ifsm：2A（短时）
三、性能特点与优势
- 高耐压：200V 反向电压满足多种高压电源和隔离电路需求。
- 低漏电：在高压水平下仍保持纳安级别漏电，有利于减少静态功耗与误触发。
- 小型封装：SOT-23 便于表面贴装，适配自动化生产与密集布局。
- 良好浪涌能力：短时 2A 浪涌可应对开机冲击或瞬态脉冲。
四、典型应用场景
- 开关电源次级整流与钳位。
- 高压信号整流与脉冲整形。
- 逆向保护与小电流电源路径。
- TVS 前端/二次侧配合使用的过压保护电路。
五、设计与使用建议
- 耗散功率 Pd = Vf×If + Vr×Ir，实际使用时应考虑环境温度与散热条件，建议对 If 进行适当降额以延长寿命。
- SOT-23 封装热阻较大，PCB 铜箔加厚并在焊盘处增加散热过孔可改善散热性能。
- 在含有较大瞬态能量的场合，器件两端应配合限流电阻或并联吸收元件以避免超过 Ifsm。
- 对于对正向压降敏感的低电压电路，须评估 1.5V 的压降对电路的影响并做相应补偿。
六、可靠性与封装注意事项
- 建议遵循厂家推荐的回流焊温度曲线，避免长期在高温环境下工作以防性能漂移。
- SOT-23 引脚尺寸与焊盘设计应按数据手册布局，保持良好湿润与机械强度。
七、选型提示
MMBD1501A 适合需要 200V 等级、低漏电和小尺寸封装的应用场合；若需更高电流或更低 Vf，可考虑更大封装或肖特基型器件；若需更高浪涌能力或更低正向压降，建议在系统级别评估并选用相应规格器件。
如需详细的引脚定义、典型特性曲线及完整的最大额定值，请参考 CJ 官方数据手册或联系供应商获取样片与评估资料。
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