WMSIC Electronic Components

FOSAN FS3415

ModelFS3415
PackageSOT-23-3L
BrandFOSAN
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
FOSAN FS3415
Type
FOSAN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FOSAN
Electronic Component
FS3415
Electronic Component
1
Package
SOT-23-3L
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.038g
Electronic Component
1
Electronic Component
BM0264881640
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.3W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
30V

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

FS3415 P沟道场效应管(MOSFET)产品概述

一、产品核心定位

FS3415是富信(FOSAN)推出的小功率P沟道增强型MOSFET,针对低电压(≤30V)、中小电流(≤5A)场景优化设计,以“低损耗、易驱动、小体积”为核心优势,适配便携电子、电源管理等高密度应用需求,兼顾性能与成本控制。

二、关键电气参数详解

FS3415的电气性能参数经过针对性优化,核心指标覆盖低电压应用的关键需求:

2.1 电压与电流规格

  • 漏源击穿电压(Vdss):30V,覆盖常见低电压系统(如5V/12V便携设备、车载辅助电源),提供充足的电压裕量,避免过压损坏;
  • 连续漏极电流(Id):5A(25℃环境下),可满足中小功率负载的持续工作需求(如USB快充的负载切换);
  • 脉冲漏极电流:虽未明确标注,但结合连续电流5A,可支持短时间峰值电流(如负载启动瞬间的浪涌电流)。

2.2 导通损耗与驱动特性

  • 导通电阻(RDS(on)):30mΩ@Vgs=4.5V,处于同类产品上游水平,可显著降低导通功率损耗(P=I²R),减少设备发热,提升系统效率;
  • 阈值电压(Vgs(th)):620mV,远低于3.3V/5V常规驱动电压,无需额外升压电路即可被单片机/MCU直接驱动,降低系统设计复杂度;
  • 栅极特性:栅极电荷量(Qg)11nC、输入电容(Ciss)1.18nF、反向传输电容(Crss)88pF,低电容/电荷特性可提升开关速度,减少开关损耗,适配高频应用(如低电压DC-DC转换器)。

2.3 可靠性参数

  • 耗散功率(Pd):1.3W(25℃环境下),结合SOT-23-3L封装的散热能力,可满足小功率持续工作;
  • 工作温度范围:-55℃~+150℃,覆盖工业级与消费级应用的温度需求,适用于户外、车载等复杂环境。

三、封装与应用适配性

FS3415采用SOT-23-3L封装,尺寸紧凑(典型尺寸约2.9×1.6×1.1mm),具有以下适配优势:

  1. 空间节省:适配高密度PCB设计,适合智能手机、智能手环等便携设备的小体积需求;
  2. 安装便捷:3引脚设计(源极、漏极、栅极),与常规MOSFET引脚兼容,便于电路布局与批量生产;
  3. 散热适配:虽封装体积小,但可通过PCB铜箔面积优化(如增加漏极焊盘铜箔)提升散热能力,满足1.3W耗散功率的工作需求。

四、性能优势总结

FS3415相比同类小功率P沟道MOSFET,核心优势突出:

  • 低损耗:30mΩ低导通电阻+低开关电容,双重降低功率损耗,减少设备发热与能效浪费;
  • 易驱动:620mV低阈值电压,兼容3.3V/5V主流驱动电路,无需额外驱动芯片,简化系统设计;
  • 高可靠性:-55℃~+150℃宽温范围+SOT-23-3L封装的稳定性,适配户外、车载等 harsh 环境;
  • 小体积:紧凑封装适配高密度PCB,满足便携设备对空间的严格限制。

五、典型应用方向

FS3415可广泛应用于以下场景:

  1. 便携电子设备:智能手机/平板的充电管理、电池过充/过放保护电路;
  2. 小型电源模块:5V/12V DC-DC转换器、线性电源的负载开关;
  3. 负载开关:低电压系统的通断控制(如USB接口电源切换、耳机接口供电控制);
  4. 工业控制:小型传感器模块的电源管理、低功率执行器(如微型继电器)驱动;
  5. 车载电子:12V辅助电源的小电流控制(如车内LED照明、胎压传感器供电)。

六、应用注意事项

  1. 漏源电压需控制在30V以内,连续漏极电流不超过5A(需结合散热条件,高温环境下需降额使用);
  2. 栅极驱动电压建议控制在±20V以内,避免过压导致栅极氧化层损坏;
  3. 工作环境温度需控制在150℃以内,若负载功率较大,需优化PCB铜箔面积(如漏极焊盘增加2~3倍铜箔)提升散热。

FS3415以高性价比、小体积、易驱动的特点,成为低电压中小功率应用的理想选择,可有效提升系统效率与可靠性。

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