WMSIC Electronic Components

TWGMC BCX54-16 NPN Transistor BCX54

ModelBCX54-16
PackageSOT-89
BrandTWGMC
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
TWGMC BCX54-16
Type
TWGMC
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TWGMC
Electronic Component
BCX54-16
Electronic Component
1
Package
SOT-89
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.14g
Electronic Component
1
Electronic Component
BM0265082576
Operating Temperature
55℃~+150℃
Transistor Type
NPN
Frequency(f T)
130MHz
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.

BCX54-16 NPN晶体管产品概述

一、产品基本身份与封装形式

BCX54-16是台湾迪嘉(TWGMC) 推出的NPN型功率晶体管,采用SOT-89表面贴装封装。该封装属于小型化设计,尺寸紧凑(典型规格约2.9×2.5×1.5mm),3引脚布局(集电极C、基极B、发射极E)清晰,适配自动化贴装生产线,能有效节省PCB空间,适合高密度电路设计场景。封装材质耐温性良好,可支撑回流焊等标准表面贴装工艺。

二、核心电性能参数及实际意义

BCX54-16的参数针对小功率信号处理与驱动优化,关键指标的实际价值如下:

  1. 电流与电压能力:

    • 集电极最大持续电流(I_C=1A):可满足小型负载(如微型继电器、小功率扬声器)的驱动需求;
    • 集射极击穿电压(V_{CEO}=45V):是晶体管安全工作的电压上限(反偏截止状态下(V_{CE})不得超过此值),避免因电压过高导致击穿。
  2. 功率耗散:
    最大耗散功率(P_D=500mW),需结合SOT-89封装的散热特性使用——该封装通过引脚向PCB散热,实际应用中需确保集电极焊盘铜箔面积足够,避免局部过热。

  3. 放大特性:

    • 直流电流增益(h_{FE}=100)(测试条件:(I_C=150mA)、(V_{CE}=2V)):中等增益水平,在150mA典型工作电流下,能稳定提供100倍电流放大,适合中等信号幅度的放大需求;
    • 特征频率(f_T=130MHz):反映晶体管高频截止能力,信号频率低于130MHz时,放大倍数随频率升高的下降速率较慢,可支持几十MHz以内的信号放大或开关应用。
  4. 漏电流与温度特性:

    • 集电极截止电流(I_{CBO}=100nA)(典型值):漏电流极小,截止状态下信号失真小,适合微弱信号放大;
    • 工作温度范围(-55℃\sim+150℃):覆盖工业级宽温要求,可在极端环境(如低温户外、高温工业设备内部)下稳定工作。

三、典型应用场景

结合参数特性,BCX54-16的应用集中在小功率信号处理与驱动领域:

  1. 小功率音频放大:作为便携音箱、手机辅助声道的输出级/前置级,1A电流可驱动小型扬声器,130MHz带宽覆盖音频(20Hz~20kHz)需求;
  2. 中频信号放大:通信设备(如对讲机、小型基站)的中频部分,处理几十MHz以内的信号,低漏电流保证信号精度;
  3. 工业控制小开关:驱动小型继电器、电磁阀的前置级,1A电流提供足够驱动能力,宽温适应工业现场;
  4. 汽车电子辅助电路:仪表盘指示灯驱动、小型传感器信号放大,宽温覆盖发动机舱高温与冬季低温;
  5. 小型电源电路:线性稳压器调整管、开关电源辅助开关管,500mW耗散与45V击穿电压满足小功率电源需求。

四、使用注意事项

  1. 参数限制:实际工作需严格控制(I_C≤1A)、(V_{CE}≤45V)、(P_D≤500mW),避免过流/过压/过热损坏;(h_{FE})为特定测试点参数,工作点变化时增益有小幅波动,需按需补偿;
  2. 散热优化:SOT-89封装依赖PCB散热,建议集电极焊盘增加铜箔面积或散热过孔;
  3. 焊接工艺:回流焊温度≤260℃(持续≤10秒),手工焊接温度≤350℃(持续≤3秒),避免高温损坏;
  4. 存储运输:存储湿度≤60%,防静电损伤;运输防振,避免引脚变形。

五、品牌与品质保障

BCX54-16由台湾迪嘉(TWGMC)生产,该厂商专注半导体分立器件研发,产品符合RoHS环保标准,每批次经电性能测试,确保参数一致性与可靠性,适合工业、汽车等对品质要求较高的场景。

该晶体管以紧凑封装、宽温特性与平衡的电性能,成为小功率电路设计的实用选择。

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