WMSIC Electronic Components

Slkor FMMT720

ModelFMMT720
PackageSOT-23
BrandSLKOR
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Slkor FMMT720
Type
SLKOR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SLKOR
Electronic Component
FMMT720
Electronic Component
1
Package
SOT-23
Electronic Component
1 PNP
Electronic Component
Transistor(BJT)
Electronic Component
0.034g
Electronic Component
1
Electronic Component
BM0230012852
Transistor Type
PNP
Frequency(f T)
100MHz
Power Dissipation(Pd)
300mW
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
1.8A

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

FMMT720 产品概述

一、主要参数

FMMT720 是 Slkor(萨科微)推出的一款小型 PNP 晶体管,关键电气参数如下:

  • 晶体管类型:PNP
  • 集电极电流 Ic:1.8A(峰值/绝对极限,具体应用需参考功耗限制)
  • 集射极击穿电压 Vceo:25V(低压等级)
  • 耗散功率 Pd:300mW(SOT-23 封装,包封热能力有限)
  • 直流电流增益 hFE:350(在 Ic=100mA、Vce=1V 条件下)
  • 特征频率 fT:100MHz(适合中高频信号放大与开关)
  • 集电极截止电流 Icbo:100nA(泄漏电流小)
  • 集电极饱和电压 VCE(sat):500mV(导通时压降适中)
  • 射基极击穿电压 Vebo:5V
  • 封装:SOT-23(小型三引脚)

二、产品特性

FMMT720 的突出特点包括:

  • 高直流增益:hFE=350 在 100mA 工况下,便于用较小基流驱动较大集电极电流,适合做放大级或驱动级的 PNP 器件。
  • 高频性能良好:fT 达到 100MHz,可用于快速开关与中频放大场合。
  • 低泄漏电流:Icbo 仅 100nA,有利于静态功耗控制与精密模拟电路稳定性。
  • 低压设计:Vceo=25V,适合低电压系统与电源管理应用。
  • 封装小巧:SOT-23 便于表面贴装和空间受限的电路布局。

三、典型应用

  • 低电压电源管理与电源开关(需注意功耗限制)
  • 音频前级、小信号放大器与互补对称放大电路中的 PNP 管
  • 移动设备、便携式仪器中的信号驱动与开关元件
  • 高频脉冲或逻辑电平转换电路(受限于功耗与脉冲占空比)

四、使用与注意事项

  • 功耗与热管理:封装 Pd=300mW,SOT-23 热阻较大,尽管 Ic 峰值可达 1.8A,但在实际连续工作中必须受功耗限制。按 P = VCE × Ic 估算,若在饱和态 VCE(sat)≈0.5V,则理论持续电流上限约 0.6A,但考虑封装热与安全裕度,建议连续工作电流远低于该值(常规设计宜控制在数百毫安以内,必要时采用脉冲驱动并降低占空比)。
  • 基极击穿与驱动:Vebo=5V,基—射极反向电压不可超过该值以免损坏。基极驱动电压与限流需谨慎设计。
  • 极性与脚位:SOT-23 为三引脚小封装,请在设计前查阅厂家完整数据手册以确认引脚排列与热/焊盘建议。
  • 安全余量:在设计电路时应留有足够的电压与电流安全余量,尤其在高温或长时间工作条件下需要降额使用。

五、封装与选购建议

FMMT720 以 SOT-23 小封装为主,适合批量自动贴装。选购时注意核对供货方(Slkor)原始规格书,确认温度范围、引脚定义及典型特性曲线。若电路需要较大连续电流或更高耗散能力,应考虑更大封装或并联方案,并同步评估热阻与散热措施。

总结:FMMT720 是一颗适用于低压、高增益、快速响应场合的小型 PNP 晶体管,适合空间受限的便携与信号放大应用,但在设计中必须重视封装功耗限制与热管理,合理降额使用可获得稳定可靠的性能。

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