WMSIC Electronic Components

HXY MOSFET K24

ModelK24
PackageSOD-123F
BrandHXY MOSFET
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HXY MOSFET K24
Type
HXY MOSFET
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
K24
Electronic Component
1
Package
SOD-123F
Electronic Component
Schottky Diode
Electronic Component
0.04g
Electronic Component
1
Electronic Component
BM0257671796
Current
2A
Diode
Electronic Component
Current(Ir)
100uA@40V
(Vf)
550mV@2A
Electronic Component
65℃~+150℃
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.

K24 产品概述

一、产品简介

K24 为华轩阳电子(HXY MOSFET)出品的一款独立式肖特基二极管,采用 SOD-123F 表面贴装封装。其典型正向压降为 0.55V(在 2A 条件下),直流反向耐压 40V,额定整流电流 2A,非重复峰值浪涌电流可达 50A。工作结温范围宽(-65℃ 至 +150℃),适合对开关损耗和反向恢复要求较高的电源与保护场合。

二、主要电气参数(关键点)

  • 正向压降 Vf:0.55V @ 2A(低压降有利于减小导通损耗)
  • 额定整流电流 If:2A(连续)
  • 最大反向电压 Vr:40V
  • 反向漏电流 Ir:100µA @ 40V(需注意随温度上升明显增加)
  • 非重复峰值浪涌电流 Ifsm:50A(短时脉冲,严禁长时间或重复超限)
  • 工作结温:-65℃ ~ +150℃

三、封装与机械特性

SOD-123F 为低剖面、小占板面积的表面贴装封装,适用于高密度电路板。封装利于高速切换电路的布局与热扩散,但在高平均功耗下仍需通过良好的 PCB 散热设计来控制结温。

四、应用场景

  • 开关电源次级整流(特别是低压、高效率场合)
  • DC-DC 转换器与同步整流替代器件
  • 反向极性与电源保护(反接保护、回流隔离)
  • 电池供电系统与汽车电子(在 40V 限制内)
  • 高速开关与续流二极管(由于肖特基低反向恢复特性)

五、设计与使用建议

  • 热设计:在 2A 连续工作下,导通损耗约为 P = Vf × I = 0.55V × 2A ≈ 1.1W,须按 PCB 铜箔面积与散热铜柱设计结温裕量,避免过高结温导致漏电流急增或寿命下降。
  • 浪涌限制:Ifsm = 50A 仅适用于短时脉冲(典型为毫秒级),避免在无冷却或频繁浪涌条件下使用。
  • 反向漏电:在高温或高压工作时,Ir 将上升,若电路对反向漏电敏感应考虑并联电阻或选型更低泄漏的器件。
  • 焊接工艺:推荐按 SMD 回流焊工艺及厂方推荐曲线(参照 J-STD-020 类标准)进行,避免长时间超温导致封装或接合缺陷。
  • 可靠性:遵循电压与温度的降额使用,考虑热循环和机械应力,关键应用建议做寿命评估与过载保护设计。

六、典型电路建议

  • 低压整流:将 K24 作为整流桥或单个整流二极管,用于输出整流及续流路径,配合滤波电容。
  • 反向保护:在电源输入串联一只 K24,用以实现低压降的防反接功能(注意最大 Vr)。
  • 续流二极管:在电感负载回路放置 K24 作续流,利用其低 Vf 与快速恢复降低损耗与干扰。

七、注意事项

  • 不要超过 40V 的最大反向电压,长期接近极限会影响可靠性。
  • 在高温环境下监控漏电流与结温,必要时升档器件或加强散热。
  • 如需更严格的参数(如更低漏电、 更高 Vr 或更高电流能力),请咨询华轩阳电子并参考完整 datasheet 进行替代选择。

K24 以低正向压降、较高浪涌能力与宽工作温度为特点,适用于对效率与开关特性有要求的中小功率电源与保护电路。选择与使用时应结合实际热、浪涌与漏电要求进行评估。

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