WMSIC Electronic Components

Prisemi PSBD1DF40V2H

ModelPSBD1DF40V2H
PackageSOD-123FL
BrandPRISEMI
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
Prisemi PSBD1DF40V2H
Type
PRISEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PRISEMI
Electronic Component
PSBD1DF40V2H
Electronic Component
1
Package
SOD-123FL
Electronic Component
Switch Diode
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0226527258
Current
2A
Diode
1
Current(Ir)
300uA
(Vf)
550mV@2A
Electronic Component
55℃~+150℃@(Tj)
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.

PSBD1DF40V2H 产品概述 — Prisemi (芯导)

一、产品简介

PSBD1DF40V2H 是 Prisemi(芯导)推出的一款开关二极管,面向中小功率、高开关频率的整流与浪涌保护场合。器件封装为 SOD-123FL,支持工作结温范围 -55℃ 至 +150℃(Tj),适合在较宽温度区间内可靠工作。

二、关键电气参数

  • 正向压降 (Vf):550 mV @ 2 A
  • 整流电流 (Io):2 A(连续工作条件)
  • 非重复峰值浪涌电流 (Ifsm):50 A
  • 直流反向耐压 (Vr):40 V
  • 反向电流 (Ir):300 μA(典型/标称条件)
    这些参数表明该器件在 2 A 级别的整流和短时浪涌冲击下具有良好表现,同时在 40 V 及以下电压环境中能提供有效的反向阻断。

三、封装与热管理

SOD-123FL 为低剖面贴片封装,适合自动贴片与回流焊工艺。由于器件正向压降在高电流时会产生热量,建议在 PCB 设计时增大焊盘铜箔面积并利用多层铜平面导热,必要时在放置位置附近配以散热铜箔或过孔,避免长期满载导致结温接近上限(150℃)。

四、典型应用场景

  • 开关电源的整流与整流桥替代件(低压侧)
  • 逆变器/电机驱动电路中的快速恢复或自由轮二极管(中低压)
  • 电源输入极性保护与瞬态浪涌夹断
  • 各类消费电子、通信设备中的开关整流与保护电路

五、设计与使用建议

  • 在持续2 A工作点时,关注结温与封装散热,必要时对额定电流进行降额使用。
  • 反向漏电随温度上升会增加(Ir 在高温下可能显著增大),高温工作环境下应评估漏电对系统的影响。
  • Ifsm=50 A 表明可承受短时浪涌(如开机冲击),但应避免反复大幅度冲击以延长器件寿命。
  • 与电路中的限流元件(电阻、电感)配合使用,可有效降低瞬态应力。

六、可靠性与注意事项

器件可在 -55℃~+150℃ 结温范围内工作,但推荐在系统层面保持较宽余的热裕度。焊接应遵循制造商推荐的回流曲线,避免超时或超温导致封装应力。存储与装配过程中注意防潮处理以防锡裂或焊接缺陷。

七、结语

PSBD1DF40V2H 适合需兼顾低正向压降、较高浪涌能力与小型封装的开关整流应用。在实际选型时,应根据系统最大工作电流、结温与浪涌特性进行热/电参数验证,以确保长期稳定可靠运行。

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