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BLUE ROCKET MPSA44
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BLUE ROCKET MPSA44
- Type
- BLUE ROCKET
- Minimum package
- 3000 盒
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BLUE ROCKET
- Electronic Component
- MPSA44
- Electronic Component
- 1
- Package
- TO-92-3
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.313g
- Electronic Component
- 1
- Electronic Component
- BM0232125704
- Transistor Type
- NPN
- Power Dissipation(Pd)
- 1.5W
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Collector Current(Ic)
- 300mA
- Current (h FE)
- 50
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MPSA44 产品概述
一 基本特性
MPSA44 是一颗高压 NPN 小信号/开关三极管，封装为 TO-92-3，品牌为 BLUE ROCKET。主要电气参数包括：集电极电流 Ic 最大 300mA，集射极击穿电压 Vceo = 400V（Vcbo 可达 500V），直流电流增益 hFE 约 50（在 Ic=10mA、Vce=10V 条件下测得），集电极截止电流 Icbo 典型 100nA，基-射极击穿 Vebo = 6V。饱和特性为 VCE(sat) 约 0.75V（在 Ic=50mA、Ib=5mA 条件下），适用于中等电流、高电压场合。
二 主要优点
- 高耐压：Vceo 400V，适合高压开关和放大应用。
- 低漏电：Icbo 低至 100nA，有利于高阻抗电路的稳定性。
- 封装小巧：TO-92 便于插装与空间受限电路板布局。
- 通用性强：既可做小信号放大，也可做高压开关器件。
三 典型应用场景
- 高压开关电路、脉冲发生器和电源保护电路。
- 电压倍增器、偏置网络与高压探测放大。
- 小型功率驱动与前级放大，要求耐压高于数百伏的场合。
四 使用注意与设计建议
- 功耗与散热：器件在 TO-92 自由空气中的功耗能力受限，资料上标注 Pd 可达 1.5W，但实际 PCB 条件下常需按约 0.6–1W 设计并做好铜箔散热。
- 驱动与基极限流：推荐在驱动端串联适当限流电阻，避免基-射极反向电压超过 6V。
- 开关保护：用于感性负载时请增加反向二极管或 RC 吸收网络，保护 Vce 避免瞬态冲击。
- SOA 与长期可靠性：高压下工作时关注安全工作区（SOA），避免在高 Vce 且高 Ic 条件下持续导通。
五 替代与选型提示
选择替代型号时，应核对 Vceo、Ic、hFE、VCE(sat) 及封装限制。可参考同类高压 NPN（如 MPSA 系列其他型号），但务必以规格书为准，确认在目标工况下的安全裕量。
本器件适合对耐压有较高要求且电流不大的高压开关与放大场合，设计时优先考虑散热与基极防护措施，以确保稳定可靠运行。
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