WMSIC Electronic Components

Prisemi PSBD1DF40V2L

ModelPSBD1DF40V2L
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 PSBD1DF40V2L
Type
PRISEMI
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PRISEMI
Electronic Component
PSBD1DF40V2L
Electronic Component
1
Package
SOD-123FL
Electronic Component
Schottky Diode
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0227376512
Current
2A
Diode
1
Current(Ir)
500uA@40V
(Vf)
380mV@2A
Electronic Component
55℃~+125℃
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.

PSBD1DF40V2L — 肖特基二极管产品概述

一、产品简介

PSBD1DF40V2L 是芯导(Prisemi)推出的一款面向功率整流与保护应用的肖特基二极管,采用 SOD-123FL 低矮贴片封装。该器件以低正向压降与较小的反向泄漏为特点,适合在 12V/24V 电源、开关电源、更高效率的整流与回路保护场景中替代普通硅二极管以降低功耗和发热。

二、主要电气参数

  • 型号:PSBD1DF40V2L(Prisemi / 芯导)
  • 正向压降(Vf):典型 380 mV @ IF = 2 A
  • 额定整流电流(IF):2 A(连续)
  • 直流反向耐压(VR):40 V
  • 反向电流(IR):500 μA @ VR = 40 V
  • 非重复峰值浪涌电流(IFSM):50 A(按厂商规定的脉冲条件)
  • 工作结温范围:-55 ℃ ~ +125 ℃
    这些参数表明该器件在高效率整流与短时浪涌吸收方面具有良好性能,但在耐压与泄漏电流方面仍需根据具体应用环境进行评估。

三、封装与热管理

PSBD1DF40V2L 使用 SOD-123FL 小型表贴封装,特点为低剖面、良好焊接性与适合批量贴装。由于封装体积有限,器件的热阻相对较大,在连续 2 A 工作时需注意版面散热设计:

  • 在 PCB 布局上应增加阳极/阴极焊盘铜箔面积以改善散热;
  • 若长时间高电流工作,可考虑在焊盘下方或附近增加散热铜层或过孔连接内层散热;
  • 留意环境温度并按厂商热特性与结温限制进行电流降额。

四、典型应用场合

  • 开关电源输出整流与同步替代;
  • 逆变器与点对点电源的低压快速整流;
  • 电池充电与电源路径“Or-ing”保护电路;
  • 续流、钳位与瞬态吸收场景(结合合适的阻抗与电感);
  • 汽车电子低压系统(在符合耐振动与温度循环要求下)。
    注:40V 反向耐压适用于常见的 12V/24V 电源系统,但需避免高压脉冲超出器件极限。

五、选型与使用建议

  • 若系统要求更小的反向泄漏或更高的耐压,应选择对应规格更高型号;
  • 评估正向压降对系统效率的影响,380 mV@2A 在多数低压大电流场合能显著降低功耗;
  • 使用 IFSM 50A 的浪涌能力时,务必参考厂商对脉冲宽度和波形的定义,避免长期重复冲击;
  • 在高温环境下注意反向电流随温度上升而增大,应在热失控风险可控范围内工作。

六、可靠性与注意事项

  • 器件工作寿命与可靠性依赖于结温循环、焊接工艺及热管理,建议遵循厂商的回流焊温规程与存储说明;
  • 对于关键应用(如汽车、医疗、电信)建议进行样品评估与寿命测试,以验证器件在目标工况下的长期表现;
  • 设计电路时应为可能出现的瞬态过电压、反向恢复(肖特基近似无恢复,但仍有寄生效应)和过流情况配置保护措施。

总结:PSBD1DF40V2L 是一款适用于中等电流、低压降场景的肖特基整流二极管,封装小巧,适合高密度电路板。合理的热设计与按厂商条件使用可在效率与可靠性之间取得良好平衡。若需详细的热阻、脉冲测试条件或封装机械图,请参考芯导官网或器件完整数据手册。

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