WMSIC Electronic Components

Hottech BAV23C

ModelBAV23C
PackageSOT-23
BrandHottech
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
Hottech BAV23C
Type
HOTTECH
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HOTTECH
Electronic Component
BAV23C
Electronic Component
1
Package
SOT-23
Electronic Component
Switch Diode
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0264463949
Current
225mA
Diode
1
Current(Ir)
100nA
(Vf)
1.25V@200mA
Power Dissipation(Pd)
350mW
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.

BAV23C 产品概述

一、主要特性与参数

BAV23C 是 Hottech(合科泰)推出的一款小信号快速开关二极管,双管共阴极(1对共阴极),适用于表面贴装(SOT-23)工艺。其主要电气参数如下:

  • 直流反向耐压 (Vr):250 V
  • 正向压降 (Vf):1.25 V @ 200 mA
  • 整流电流(连续正向电流):225 mA
  • 非重复峰值浪涌电流 (Ifsm):1.7 A
  • 反向电流 (Ir):100 nA(典型)
  • 反向恢复时间 (Trr):50 ns
  • 耗散功率 (Pd):350 mW
    特性:快速开关、高电导、适合通用开关应用。

二、典型应用场景

  • 高频开关和快速脉冲电路中的整流与开关功能。
  • 信号整形、钳位、逻辑级别保护与电平转换。
  • 射频前端的小信号检波与混频电路(在电压与频率允许范围内)。
  • 开关电源次级的快速检波和反向保护(注意功率限制)。
  • 通用电子设备、仪表和通信设备中的保护与切换用途。

三、封装与引脚说明

BAV23C 采用 SOT-23 小型表贴封装,适合自动贴片与回流焊工艺。封装体积小,便于在面积受限的电路板上布局。该器件为共阴极结构,具体引脚排列及极性标记请参照 Hottech 官方器件数据手册与封装图纸,以保证焊接与电路连接正确。

四、热与电气注意事项

  • 器件耗散功率为 350 mW,使用时需考虑环境温度与散热条件,推荐在 PCB 上使用适当的铜箔面积以帮助散热并按需降额使用。
  • 正向压降在大电流(如接近 200 mA)时会升高,设计时应留有余量以避免过高功耗。
  • 反向恢复时间约 50 ns,适合中高速开关场合;对更高速或更低反向恢复电流要求严格的场合应评估是否匹配。
  • 在进行浪涌电流或冷启动测试时,注意非重复峰值浪涌电流为 1.7 A,不应超过该峰值以免损坏器件。

五、选型与替代建议

选择 BAV23C 时,应综合考虑耐压(250 V)、开关速度与正向电流需求。若需要更高电流或更低正向压降,可考虑功率更大的封装或肖特基二极管;若需更快恢复时间,可考虑专用快速恢复或超快速二极管。选型时优先参考应用工作电压、峰值电流及热管理方案。

六、使用建议与可靠性

  • 焊接:按厂家推荐的回流焊曲线进行焊接,避免长时间过高温度以保护器件性能。
  • PCB 布局:在二极管周围留有散热铜皮,必要时通过热沉或大面积接地/电源铜箔提升热扩散。
  • 测试与验证:在最终产品中进行温升、浪涌、反向恢复与长期老化测试,确认在目标工况下的可靠性。
  • 储存与防护:遵循常规静电防护与潮湿敏感器件(MSL)处理流程,避免长期暴露在潮湿或高温环境中。

总结:BAV23C 是一款用于通用开关与小信号整流的高电导、快速恢复双二极管,适合中等电压与中小电流的表面贴装应用。在设计中注意热管理与浪涌保护,可在多种电子产品中提供稳定的开关与保护功能。若需更详细的电气曲线、封装尺寸与引脚图,请参阅 Hottech 官方数据手册。

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