WMSIC Electronic Components

JUXING SS8050 Y1 SS8050

ModelSS8050 Y1
PackageSOT-23
BrandJUXING
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JUXING SS8050 Y1
Type
JUXING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JUXING
Electronic Component
SS8050 Y1
Electronic Component
1
Package
SOT-23
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0226441837
Operating Temperature
55℃~+150℃
Transistor Type
NPN
Frequency(f T)
100MHz
Power Dissipation(Pd)
300mW
Electronic Component
Electronic Component
Electronic Component
3000

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

SS8050 Y1 产品概述

一、主要参数与特性

SS8050 Y1(JUXING 钜兴)是一款通用 NPN 双极结晶体管,适用于小功率开关与放大场合。主要电气参数如下:

  • 直流电流增益 hFE:120(测试条件 100mA、VCE=1V)
  • 集电极电流 Ic:1.5A(峰值/短时允许)
  • 集电极-射极击穿电压 Vceo:25V
  • 射极-基极击穿电压 Vebo:5V
  • 集电极截止电流 Icbo:100nA(典型小漏电流)
  • 集电极-射极饱和电压 VCE(sat):约 500mV(饱和状态)
  • 特征频率 fT:100MHz(可支持高频小信号放大)
  • 功耗 Pd:300mW(封装热极限,需注意散热)
  • 工作结温度范围:-55℃ ~ +150℃(Tj)
  • 封装:SOT-23(表面贴装、三脚)

二、性能解读

SS8050 Y1 在 100mA 工作点下具有较高的直流增益(hFE≈120),适合用作小信号放大器或驱动级;fT=100MHz 表明其在几十 MHz 范围内仍保持可用增益,适用于带宽要求不高的射频/开关应用。Vceo=25V 限定了其在中低压电源系统中的安全使用范围;Vebo=5V 说明基极反向耐压有限,使用时必须避免基极被反向加压超过该值。Ic 标称 1.5A 常为脉冲或短时值,长时间工作时需受限于 Pd(300mW)和封装散热能力。

示例热限制计算:若在饱和时 VCE(sat)≈0.5V,则理论上的连续电流上限约为 I = Pd / VCE(sat) ≈ 0.3W / 0.5V = 0.6A(实际可允许电流受环境温度与PCB散热影响,应作热仿真与实验验证)。

三、典型应用场景

  • 小功率开关与驱动:继电器/小型继电器线圈驱动、继电器前级放大
  • 信号放大:音频前级、小信号放大器、传感器信号调理
  • 电平转换与缓冲:TTL/CMOS 接口驱动、低侧开关
  • 电池供电设备:便携式仪器中的开关与放大场合(注意功耗管理)

四、封装与热设计

SOT-23 封装体积小,适合密集表贴线路,但自身散热能力有限。为保证长期可靠工作建议:

  • 在 PCB 版上增加散热铜箔面积,尤其在集电极引脚对应的铜面做扩展;
  • 若可能,添加过孔(vias)与底层铜箔相连,改善热传导;
  • 在高电流或高占空比应用中考虑并联或使用更大功率封装的替代件;
  • 在评估最大允许电流时,以 Pd 和实际 VCE(或功耗)为准,考虑环境温度及热阻带来的降额。

五、使用建议与电路注意事项

  • 基极限流:使用适当的基极电阻以限制基极电流,避免过驱导致器件进入热失控。
  • 反向 Vbe 保护:避免基极对射极的反向电压超过 5V,可在必要时并联反向保护二极管或限流电阻。
  • 抗感性负载:驱动感性负载时(如线圈、电机等)需并联续流二极管或 RC 抑制网络,防止高压反冲损坏晶体管。
  • 开关损耗控制:对于高频开关应用,关注开关损耗与储存电荷;在需要快速开关时可选配驱动电路或选用专用开关晶体管。
  • PCB 布局:基极、集电极回路应尽量缩短走线,减小寄生电感与电阻;布置旁路电容以稳定电源与抑制干扰。

六、订购与识别

  • 型号:SS8050 Y1
  • 品牌:JUXING(钜兴)
  • 封装:SOT-23(表面贴装,三引脚)
  • Y1 后缀常用于标识特定增益分组或出厂批次,订购时建议向供应商确认可追溯的规格书与标识印刷。

总结:SS8050 Y1 是一颗面向通用开关与放大的小功率 NPN 晶体管,凭借较高的 hFE 与 100MHz 的 fT,在中低电压、适度电流场景中具有良好性价比。选用时请重点关注封装散热限制与基极/集电极的工作条件,以确保可靠工作。

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