Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
UTC 2SD669AL-D-TN3-R 2SD669AL
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UTC 2SD669AL-D-TN3-R
- Type
- UTC
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- UTC
- Electronic Component
- 2SD669AL-D-TN3-R
- Electronic Component
- 1
- Package
- TO-252-2(DPAK)
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.504g
- Electronic Component
- 1
- Electronic Component
- BM0226338214
- Transistor Type
- NPN
- Frequency(f T)
- 140MHz
- Power Dissipation(Pd)
- 2W
- Electronic Component
- Electronic Component
- Electronic Component
- 2500
- Collector Current(Ic)
- 1.5A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
2SD669AL-D-TN3-R 产品概述
一、产品简介
2SD669AL-D-TN3-R 是 UTC（友顺）出品的一款中功率 NPN 双极晶体管，额定集电极击穿电压高达 160V，最大集电极电流 1.5A，耗散功率 2W，采用 TO-252-2 (DPAK) 表面贴装封装。器件针对中高压开关与功率放大应用进行了优化，兼顾开关速度与驱动能力，适合在空间受限的线路板上实现可靠散热与高压工作。
二、主要特性
- 直流电流增益 hFE ≈ 160（测量条件：Ic=150mA, Vce=5V），低电流时有良好放大性能。
- 集电极截止电流 Icbo ≤ 10μA，低漏电保证高阻态可靠性。
- 特征频率 fT ≈ 140MHz，具备较好的高频响应，利于开关与小信号放大场合。
- 集-射极饱和压 VCE(sat) ≈ 1V（近饱和状态），饱和损耗适中。
- 基-射极反向击穿 Vebo = 5V，使用时应注意限制反向基极电压。
三、典型应用
- 中高压开关电路：DC-DC 升压/降压变换器、开关电源辅助级。
- 继电器/电磁阀驱动、步进/直流电机驱动的低侧开关。
- 音频前级、小信号放大与电平转换场合。
- 工业控制与消费电子中需兼顾电压耐受与开关速率的场景。
四、封装与散热建议
TO-252-2 (DPAK) 表面贴装适合自动贴装与回流焊工艺。器件 Pd=2W（无额外散热时），推荐在 PCB 设计中采用大面积散热铜箔、热通孔或专用散热垫，以降低结–壳热阻并提升长期可靠性。对持续高电流工作，应评估结温与 SOA（安全工作区）并进行必要热设计。
五、使用注意事项
- 基极驱动：为保证快速进入饱和且不损伤基极，推荐使用限流电阻并根据所需 Ic 设计基极电流，避免过度反向 VBE。
- 感性负载：带感性负载时应并联续流二极管或 RC 抑制网，防止高压尖峰击穿。
- 并联使用：若需并联增加电流，建议在每个管子发射极串上小电阻以均流。
- 热管理：在高温环境或接近最大 Ic 条件下需预留安全裕度，避免超出 Pd。
六、典型电路参考
常见用法为低侧开关：发射极接地，集电极连接负载后接高电源；基极经限流电阻由 MCU 或驱动器驱动。对于开关电源，可作为开关管或驱动级晶体管，结合驱动电路与吸收元件保证稳定工作。
七、订购与替换
型号：2SD669AL-D-TN3-R，品牌：UTC（友顺），封装：TO-252-2 (DPAK)。选型时如需更高功率或不同封装，可考虑同类 2W 以上功率或 TO-220/TO-247 封装的替代器件。购买时请关注真实器件出厂批次与完整规格书以确认 SOA、热阻等详细参数。
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