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TWGMC BCX53 PNP Transistor BCX53
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TWGMC BCX53
- Type
- TWGMC
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TWGMC
- Electronic Component
- BCX53
- Electronic Component
- 1
- Package
- SOT-89
- Electronic Component
- 1 PNP
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.02g
- Electronic Component
- 1
- Electronic Component
- BM0227688442
- Operating Temperature
- 55℃~+150℃
- Transistor Type
- PNP
- Frequency(f T)
- 50MHz
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- Electronic Component
- Electronic Component
- 1000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BCX53 — PNP 小信号晶体管（TWGMC 台湾迪嘉）
一、产品概述
BCX53 为 PNP 型小信号/小功率晶体管，由台湾迪嘉（TWGMC）生产，采用 SOT-89 封装，针对开关与线性放大场合优化。凭借 80V 的集射极击穿电压与 1A 的集电极电流能力，在需要较高耐压与中等电流驱动的场合具有良好表现，适合通用放大、驱动与电源应用。
二、主要电气参数
- 晶体管类型：PNP
- 集电极电流 Ic：1A（最大）
- 集射极击穿电压 Vceo：80V
- 耗散功率 Pd：500mW（封装热条件下典型）
- 直流电流增益 hFE：63（测量条件 Ic=5mA, VCE=2V）
- 特征频率 fT：50MHz
- 集电极截止电流 Icbo：100nA（典型）
- 集射极饱和电压 VCE(sat)：500mV（典型）
- 工作温度范围：-55℃ ~ +150℃
三、特点与优势
- 高耐压与中等电流能力，适用高压侧开关与驱动。
- SOT-89 封装在小体积下提供较好的散热性能，便于表面贴装生产。
- hFE 在小电流区表现稳定，有利于前级放大与偏置电路设计。
- 低 Icbo 有助于降低漏电，提升静态性能。
四、典型应用
- 高侧/低侧开关与小功率驱动电路（继电器驱动、继电器前级）。
- 信号放大与缓冲（音频前级、射频前置放大中的低频段）。
- 线性稳压器的旁路/通过晶体管。
- 电平转换与小电流开关阵列。
五、封装与热管理
SOT-89 小体积但散热优于 SOT-23，适合对功耗有一定要求的表贴应用。实际功耗能力受 PCB 散热、焊盘面积与环境温度影响，设计时应根据额定耗散 500mW 做温度铰链（derating），并为器件提供足够的铜箔散热区。
六、使用建议
- 依据最大 Ic 和 Pd 设计安全裕量，避免长期靠近极限工况。
- 在高温环境下适当降额使用，并注意封装引脚与焊盘的热阻。
- 推荐在电路中加入基极限流与保护电阻，防止反向或过流损伤。
- 运输与装配注意防静电防潮，遵循器件数据手册的焊接温度与回流规范。
如需原理图示例、引脚定义或更详细的热阻/特性曲线，请提供具体应用场景，我可据此给出匹配的电路建议与布局注意事项。
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