WMSIC Electronic Components

SHIKUES D882

ModelD882
PackageSOT-89
BrandSHIKUES
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SHIKUES D882
Type
SHIKUES
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SHIKUES
Electronic Component
D882
Electronic Component
1
Package
SOT-89
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.139g
Electronic Component
1
Electronic Component
BM0264580602
Transistor Type
NPN
Frequency(f T)
50MHz
Power Dissipation(Pd)
500mW
Electronic Component
Electronic Component
Electronic Component
1000
Collector Current(Ic)
3A

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

D882 NPN双极型三极管产品概述

一、产品基本定位与标识信息

D882是SHIKUES(时科) 推出的一款NPN型双极结型三极管(BJT),单颗封装为SOT-89-3(3引脚表面贴装封装),核心定位是低压小功率放大与开关场景。该器件通过明确的参数设计,兼顾了电流驱动能力与体积小型化需求,是消费电子、小型设备中常见的基础功率器件之一。

二、核心电气性能参数解析

D882的参数针对**≤30V低压、≤3A中等电流**场景优化,关键性能如下:

2.1 安全工作区域(SOA)参数

  • 集电极-发射极击穿电压(Vceo):30V(基极开路时,集电极与发射极间的最大反向耐压,确保低压电路不被过压击穿);
  • 最大集电极电流(Ic):3A(持续工作允许的最大电流,脉冲工况可短暂超调但需控制散热);
  • 最大耗散功率(Pd):500mW(器件允许的最大内部功耗,需严格控制Ic×Vce乘积不超过该值,避免过热损坏)。

2.2 直流特性参数

  • 直流电流增益(hFE):32@100mA/2V(集电极电流100mA、集射极电压2V时的增益,小信号放大场景下增益稳定);
  • 集射极饱和电压(VCE(sat)):500mV@2A/0.2A(基极电流0.2A、集电极电流2A时的饱和压降,开关应用中导通损耗低,效率较高);
  • 集电极截止电流(Icbo):1μA(发射极开路时,集电极-基极间的漏电流,漏电流小意味着低功耗待机场景性能稳定);
  • 射基极击穿电压(Vebo):6V(集电极开路时,发射极与基极间的最大正向耐压,需避免基极正偏电压超6V导致击穿)。

2.3 频率特性

  • 特征频率(fT):50MHz(放大倍数降为1时的截止频率,适合中低频(≤50MHz)放大与开关,如音频、低速数字电路)。

三、典型应用场景

D882的参数匹配性使其适用于以下常见场景:

  1. 低压小功率开关电路:3A电流能力可驱动小型继电器、LED灯组、小型电机等负载;500mV饱和压降降低导通损耗,适合电池供电的便携设备(如玩具、手持小电器);
  2. 音频小信号放大:50MHz特征频率覆盖音频频段(20Hz-20kHz),hFE增益稳定,可用于便携式音箱、耳机放大器的前置/后置放大;
  3. 电源模块辅助电路:30V耐压适合低压线性稳压电路的辅助调整管,或作为过流保护电路的开关管;
  4. 低速数字逻辑电路:配合电阻网络可实现简单逻辑门(如非门),适用于≤10MHz的数字控制场景。

四、封装与可靠性特点

  • SOT-89-3封装:体积小巧(约2.9×2.6×1.1mm),适合高密度PCB设计;3引脚布局为常见NPN配置(通常1=E、2=B、3=C,需参考 datasheet 确认);
  • 散热性能:相比SOT-23封装,SOT-89焊盘面积更大,散热效率更高,可支持2A左右持续电流(需配合PCB焊盘散热);
  • 可靠性:Icbo仅1μA,漏电流低,长期工作稳定性好;击穿电压裕量(30V)满足多数低压应用,不易因过压损坏。

五、使用注意事项

为确保器件正常工作,需注意以下要点:

  1. 电压限制:Vceo不超30V,Vebo不超6V(基极正偏电压需严格控制);
  2. 功率电流控制:持续工作时Ic×Vce≤500mW,长时间运行2A以上电流需增加散热焊盘或小型散热片;
  3. 静电防护:BJT对静电敏感,焊接时需佩戴静电手环,烙铁接地;
  4. 引脚识别:需参考官方datasheet确认引脚顺序,避免接反损坏器件。

整体来看,D882是一款性价比高、参数均衡的NPN三极管,适合低压小功率放大与开关应用,在消费电子、小型设备中具有广泛适用性。

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