WMSIC Electronic Components

JSMSEMI TIP3055

ModelTIP3055
PackageTO-247-3
BrandJSMSEMI
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JSMSEMI TIP3055
Type
JSMSEMI
Minimum package
30 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JSMSEMI
Electronic Component
TIP3055
Electronic Component
1
Package
TO-247-3
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
5.71g
Electronic Component
1
Electronic Component
BM0257629850
Transistor Type
NPN
Frequency(f T)
2.5MHz
Power Dissipation(Pd)
6W
Electronic Component
Electronic Component
Electronic Component
30
Collector Current(Ic)
15A

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

TIP3055 产品概述

一、产品简介

TIP3055 为大功率 NPN 晶体管的代表型号之一。这里介绍的为 JSMSEMI(杰盛微)封装形式为 TO-247-3 的功率型 NPN 三极管,适用于中低频、大电流的功率开关和线性放大场合。器件强调大电流输出能力与耐耗散能力,适合在加装散热器的条件下工作。

二、主要参数(基于提供资料)

  • 晶体管类型:NPN(BJT)
  • 集电极电流 Ic:15 A
  • 集–射极击穿电压 Vceo:60 V
  • 耗散功率 Pd:6 W(注:另有资料提及 90 W,见下文热管理说明)
  • 直流电流增益 hFE:20(测试条件 4 A,Vce = 4 V)
  • 特征频率 fT:2.5 MHz(适用于低中频应用)
  • 集–射极饱和电压 VCE(sat):3 V @ 10 A(并列参数含 3.3 V,具体以厂方 datasheet 为准)
  • 射基极击穿电压 Vebo:7 V
  • 封装:TO-247-3
  • 品牌:JSMSEMI(杰盛微)

三、电气特性解读与驱动建议

  • hFE 在大电流点较低(约 20),说明作为开关时需要提供足够的基极驱动电流;典型基极电流 Ib 应近似取 Ic / hFE(例如 Ic = 10 A 时 Ib ≈ 0.5 A),并留有余量以保证饱和。
  • VCE(sat) 在十安级电流下可达数伏,导致开关损耗显著,在开关场合需考虑额外功耗与散热。
  • fT 仅 2.5 MHz,适合工频/音频及低速 PWM 等应用,不适合高频开关电源的主开关器件。
  • Vebo = 7 V,基极-发射极反向电压耐受有限,避免在电路中引入对基极的反向冲击。

四、热管理与功率额定说明

资料中存在两组耗散功率/电压标注(如 90 W / 100 V 与 Pd = 6 W / Vceo = 60 V),须以厂方正式 datasheet 为准。通常出现差异的原因是:

  • 大功率数值(如 90 W)往往为芯片在良好散热条件下(良好金属底座或大散热器、规定环境温度和热阻)时的最大耗散。
  • 较小的 Pd(如 6 W)常为无散热器、自由空气条件下的结到环境可耗散功率。
    结论:实际应用中必须将晶体管安装在合适散热器上并按 datasheet 的热阻、结温限值进行热设计与功率退载,避免超过安全工作区(SOA)。

五、典型应用场景

  • 线性功率放大器、音频功放输出级(需注意热耗与失真)
  • 中小功率电源与稳压器输出级
  • 直流电机驱动、继电器/阀门驱动(建议并联快恢复二极管或 RC 吸收网络以抑制感性冲击)
  • 一般大电流开关应用(频率不宜过高)

六、选型与替代建议

  • 在需要更高耐压或更低饱和压时,应比较同级别器件的 Vceo、VCE(sat) 与 hFE;若需更高频率开关,应选 fT 更高的功率 MOSFET 或高速 BJT。
  • 使用前务必获取并核对 JSMSEMI 的完整 datasheet,确认额定、电热特性与测试条件,避免因参数差异造成设计风险。

七、使用注意事项(要点)

  • 设计基极驱动电路时预留足够电流,避免长时间在边缘放大区工作导致发热。
  • 对感性负载做好反向保护与吸收,防止集电结遭受瞬态冲击。
  • 注意 Vebo 限值,禁止基极-发射极施加过大反向电压。
  • 裸片工作需良好散热并考虑温度保护与功率退载策略。

总结:该款 TO-247-3 封装的 TIP3055 风格大功率 NPN 晶体管,适合需要大电流但不要求高开关频率的场合。关键在于按实际工作条件做好基极驱动与散热设计,并以厂方 datasheet 为最终依据。

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