WMSIC Electronic Components

S9012

ModelS9012
PackageSOT-23
BrandYONGYUTAI
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
YONGYUTAI S9012
Type
YONGYUTAI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YONGYUTAI
Electronic Component
S9012
Electronic Component
1
Package
SOT-23
Electronic Component
1 PNP
Electronic Component
Transistor(BJT)
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0226337803
Transistor Type
PNP
Power Dissipation(Pd)
300mW
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
500mA
Current (h FE)
400

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

S9012 产品概述

一、主要参数概览

S9012(PNP,SOT-23)由 YONGYUTAI(永裕泰) 生产,面向小功率开关与放大应用。关键电气参数如下:直流电流增益 hFE ≈ 400(测试条件 50mA、VCE=1V);集电极电流 Ic 最大 500mA;集射极击穿电压 Vceo = 25V;基-射击穿电压 Vebo = 5V;集电极截止电流 Icbo ≈ 1μA;最大耗散功率 Pd = 300mW(环境温度25°C);饱和压 VCE(sat) 约 500mV(测试点 50mA 与 500mA 条件下的参考值)。

二、产品特点

  • 高增益:在中等电流条件下 hFE 值高(≈400),适合需要电压增益或小电流驱动放大的场合。
  • 中等电流能力:最大集电极电流可达 500mA,适合驱动小型继电器、电机或作为开关元件。
  • 低功耗封装:SOT-23 小体积封装,方便表贴与高密度 PCB 设计,但散热能力有限,适合低功耗应用。
  • 低漏电流:Icbo 约 1μA,有利于低静态电流电路设计。

三、典型应用场景

  • 小信号放大器:音频前端、信号检波与放大电路。
  • 高侧开关:作为 PNP 器件可用于低压电源的高侧开关与电平转换。
  • 驱动与切换:驱动小型继电器、LED 阵列或作为功率级前级放大。
  • 便携式与消费电子:适合电池供电、空间受限的便携设备。

四、封装与热管理

SOT-23 三脚封装,体积小、便于 SMT 贴装。由于 Pd 为 300mW,实际工作时需注意 PCB 散热与降额设计:在高电流或高 VCE 条件下会产生较大结温,建议增大铜箔面积、使用散热走线或降低占空比以避免过热。封装引脚排列请参照厂方封装图纸核实。

五、使用建议与注意事项

  • 饱和导通设计:尽管 hFE 高,设计开关时应按较低的驱动因子计算基极电流(例如在要求饱和时采用强迫 β≈10–20),以保证稳定饱和与低 VCE(sat)。
  • 过压保护:Vceo 仅 25V,应避免在高压应用中使用。基-射最大 5V,基极驱动电压需受限。
  • 静电与封装一致性:SOT-23 小封装易受静电损伤,贴片与焊接过程中注意防静电与热应力;不同厂家封装或标记可能不同,请以实物 datasheet 为准。
  • 测试条件依赖性:参数如 hFE、VCE(sat) 受测试条件影响较大,设计时以最坏情况(低 hFE、高 VCE(sat))进行余量计算。

如需原厂完整的引脚定义、温度特性曲线与典型应用电路图,请联系 YONGYUTAI 官方资料或索取详细 datasheet。

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