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SHIKUES BCX56
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SHIKUES BCX56
- Type
- SHIKUES
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SHIKUES
- Electronic Component
- BCX56
- Electronic Component
- 1
- Package
- SOT-89
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.139g
- Electronic Component
- 1
- Electronic Component
- BM0257628042
- Transistor Type
- NPN
- Frequency(f T)
- 130MHz
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- Electronic Component
- Electronic Component
- 1000
- Collector Current(Ic)
- 1A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BCX56 产品概述
一、主要参数与特性
BCX56 为 NPN 小功率功率晶体管，基于所给规格具有以下关键参数：集电极电流 Ic = 1A；集射极击穿电压 Vceo = 80V；耗散功率 Pd（资料中列）= 1.3W（注意部分市场描述标为 500mW，实际使用应以厂家数据手册和封装散热条件为准）；直流电流增益 hFE = 250（测量点：Ic=150mA，Vce≈2V）；特征频率 fT ≈ 130MHz，适合中频放大与开关应用；集电极截止电流 Icbo ≈ 100nA；集电极饱和电压 VCE(sat) 典型值约 500mV；射基极击穿电压 Vebo = 5V。封装为 SOT-89-3，品牌 SHIKUES（时科）。
二、性能亮点
- 高直流电流增益：hFE=250 在中等电流区具有良好放大能力，便于减小基极驱动电流。
- 中等频率响应：fT=130MHz，可胜任视频带宽以内的小信号放大或前置放大器。
- 较高电压耐受：Vceo=80V，允许在较高电压的开关和线性应用中工作。
- SOT-89 封装兼顾功耗与占板面积，适合空间受限的板级功率设计。
三、典型应用
- 低/中功率开关：小电流继电器驱动、MOSFET 驱动前级、低压直流开关。
- 线性放大：前置放大器、音频前段、增益需要较高 hFE 的线性级。
- 基本电源与稳压器：作为基极驱动或误差放大元件。
- 信号驱动与缓冲：对中等频率信号的缓冲与驱动。
四、封装与热管理建议
SOT-89 虽比 SOT-23 具有更好散热能力，但散热仍受限。设计时建议：
- 在 PCB 上增加集电极焊盘的铜面积与散热通孔，形成热扩散路径。
- 对于连续工作或高占空比开关场合，按厂商 Pd 和环境温度进行功率降额；若无明确降额曲线，务必留有安全裕量。
- 焊接与回流温度按通用无铅工艺规范，避免长时间过热以保护封装机械强度。
五、选型与使用要点
- 若系统要求持续耗散接近 1W，应核实供应商在实际 PCB 条件下的 Pd 与热阻参数；必要时选用更大封装或加热沉。
- 注意 Vebo 仅为 5V，基极对发射极承受反向电压能力有限，电路设计中避免基极被拉到高于允许反向电压的位置。
- 在开关应用需关注 VCE(sat) 与基极驱动电流的匹配，保持饱和以降低功耗。
- 最终选型与可靠性判断，请以 SHIKUES 提供的正式数据手册为准，并结合电路实际工况做仿真与试验验证。
以上为基于所给参数整理的 BCX56 产品概述，适用于器件评估、原理设计与板级实现的初步参考。
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