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HXY MOSFET MJE340
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HXY MOSFET MJE340
- Type
- HXY MOSFET
- Minimum package
- 500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HXY MOSFET
- Electronic Component
- MJE340
- Electronic Component
- 1
- Package
- TO-126
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.58g
- Electronic Component
- 1
- Electronic Component
- BM0265023334
- Operating Temperature
- 55℃~+150℃
- Transistor Type
- NPN
- Frequency(f T)
- 50MHz
- Power Dissipation(Pd)
- 625mW
- Electronic Component
- Electronic Component
- Electronic Component
- 500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MJE340 产品概述
MJE340 是一款高压 NPN 晶体管，由 HXY MOSFET（华轩阳电子）提供，采用 TO-126 封装，适用于中等功率放大与开关应用。器件在高电压场合具有良好的电压余量和线性放大特性，可在多种通用电路中用于可靠的电流控制与信号处理。
第一、主要电气参数
- 晶体管类型：NPN
- 集电极电流 Ic：0.5 A
- 集-发射极击穿电压 Vceo：350 V
- 耗散功率 Pd：625 mW
- 直流电流增益 hFE：典型值 250（设计范围 100–250）
- 特征频率 fT：50 MHz
- 集电极截止电流 Icbo：1 µA
- 集电极饱和电压 VCE(sat)：0.5 V（典型）
- 射基极击穿电压 Vebo：6 V
- 工作温度范围：-55 ℃ ~ +150 ℃
第二、主要特性与优势
- 高耐压：350 V 的 Vceo 使其适合高电压余量的设计需求，能承受较大的电压冲击。
- 良好增益与线性：hFE 范围宽，典型值高达 250，利于低失真放大与稳定偏置。
- 高频性能适中：fT 约 50 MHz，适用于中频放大与开关场景。
- 低泄漏与低饱和压：Icbo 小，VCE(sat) 约 0.5 V，有助于降低静态损耗与输出压降。
- 宽工作温度：适配工业级环境，可靠性高。
第三、典型应用场景
- 电源管理模块：高压侧开关、保护电路及电压转换器的中间功率器件。
- 小型电机驱动：驱动电流与耐压满足小型直流电机或步进电机的控制需求。
- 继电器/电磁阀控制：作为驱动或开关元件，提供稳定的开关特性。
- 信号放大与转换：音频前级、驱动级以及各类模拟信号处理电路。
- 测试与保护电路：用于检测或限制异常电流、电压事件。
第四、使用建议与注意事项
- 功率与散热：Pd 为 625 mW，使用时应注意封装散热能力，必要时加装散热片或采取良好 PCB 散热设计以避免结温过高。
- 偏置与安全工作区：在高压应用中应严格控制基极驱动，避免 Vebo 与 Vceo 超限导致击穿。
- 开关速度：fT 50 MHz 表明适合中等频率开关，但在高速切换场合需评估切换损耗与驱动能力。
- 封装与焊接：TO-126 封装方便安装，但焊接温度与时长应遵循厂家工艺规范，避免热损伤。
第五、包装与订购信息
- 品牌：HXY MOSFET（华轩阳电子）
- 封装：TO-126
- 数量：单件（1 个 NPN）
- 推荐在设计阶段留有足够的安全裕量，并参考厂商完整的规格书进行最终选型与电路验证。
MJE340 以其高耐压与良好增益特性，为需要在中等功率和中高电压条件下工作的电子设计提供了一个可靠且经济的选择。若需进一步的电气特性曲线、热性能数据或应用参考电路，可向华轩阳电子索取完整数据手册。
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