WMSIC Electronic Components

HL 3400

Model3400
PackageSOT23
BrandHL
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
HL 3400
Type
HL
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HL
Electronic Component
3400
Electronic Component
1
Package
SOT23
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.037g
Electronic Component
1
Electronic Component
BM0265670318
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.3W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
30V
Capacitor(Ciss)
507pF

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

HL 3400 N沟道MOSFET产品概述

HL 3400是富海微(HL)推出的一款低电压N沟道增强型MOSFET,专为小尺寸、低功耗、高频切换场景设计,兼具高电流能力与小封装优势,适配多种便携及工业级应用需求。

一、产品核心定位与核心优势

HL 3400针对30V以下低压系统优化,核心优势集中在以下三点:

  1. 低导通损耗:2.5V栅源驱动下,导通电阻仅36mΩ(3A负载),大幅降低导通功率损耗,提升系统效率;
  2. 小封装高密度:采用SOT23封装(尺寸约2.9×2.5×1.1mm),适合便携设备、小型模块的高密度布局;
  3. 宽温与可靠性:工作温度覆盖-55℃至+150℃,满足工业级极端环境应用,同时栅极电荷量(Qg)仅9.1nC,开关速度快,适配高频切换场景。

二、关键电气参数详解

HL 3400的电气参数精准匹配低压应用需求,核心参数如下:

1. 电压与电流能力

  • 漏源击穿电压(Vdss):30V,可稳定承受低压系统的过压波动;
  • 连续漏极电流(Id):5.8A,满足小型负载(如小电机、LED阵列)的持续工作需求;
  • 脉冲漏极电流:结合封装散热,短时间可承受更高电流(需参考 datasheet 脉冲曲线)。

2. 导通特性

导通电阻(RDS(on))是低压MOSFET的核心指标:在2.5V栅源电压(Vgs)、3A漏极电流下,RDS(on)仅36mΩ,相比同类产品具有更低的导通损耗,尤其适合电池供电的便携设备(如手机、智能手环的电源管理)。

3. 开关特性

  • 栅极电荷量(Qg):9.1nC,开关过程中栅极所需充电量小,降低驱动电路功耗;
  • 输入电容(Ciss):507pF,反向传输电容(Crss):43pF,电容特性稳定,减少开关噪声与振荡,提升系统EMI性能。

4. 阈值与功耗

  • 阈值电压(Vgs(th)):1.3V(典型值),适配1.8V、2.5V等低电压控制电路,无需额外升压驱动;
  • 最大耗散功率(Pd):1.3W,需结合SOT23封装的散热能力,合理设计PCB铜箔面积以控制温升。

三、封装与可靠性特性

1. SOT23封装优势

SOT23封装体积小巧,引脚间距合理,便于自动贴装(SMT),适合批量生产;同时封装材料耐温性好,与宽温工作范围匹配,长期可靠性高。

2. 宽温工作能力

-55℃至+150℃的工作温度范围,覆盖了工业级设备(如户外传感器、车载小模块)的极端环境需求,避免低温下性能下降或高温下损坏。

3. 静电防护设计

栅极内置ESD防护(常规MOSFET标准设计),可承受±2kV人体模型(HBM)静电冲击,降低生产与使用中的损坏风险。

四、典型应用场景

HL 3400的参数特性使其适配以下场景:

  1. 便携电子设备:手机、平板、智能穿戴的电源管理模块(负载开关、电池保护),小封装与低导通损耗提升续航;
  2. 小型DC-DC转换器:低压(5V、12V)降压/升压电路的开关管,高频切换能力适配快速电压调节;
  3. 小型电机驱动:玩具电机、小型风扇等低功率电机的驱动,5.8A连续电流满足负载需求;
  4. LED驱动电路:小功率LED阵列的开关控制,低导通损耗减少发热,延长LED寿命;
  5. 工业传感器模块:户外温度传感器、低功耗采集模块的电源开关,宽温范围适配极端环境。

五、选型与应用注意事项

为确保HL 3400稳定工作,需注意以下要点:

  1. 驱动电压匹配:建议Vgs≥2.5V以获得最佳导通电阻(36mΩ),避免Vgs低于1.3V(阈值电压)导致截止;
  2. 散热设计:SOT23封装散热有限,连续工作电流需控制在合理范围(如≤3A时,PCB铜箔面积建议≥10mm²),避免温升超过150℃;
  3. 静电防护:生产与测试过程中需佩戴防静电手环,避免栅极受ESD损坏;
  4. 电压限制:漏源电压(Vds)需严格控制在30V以下,避免击穿损坏。

综上,HL 3400是一款高性价比的低压N沟道MOSFET,兼具小封装、低损耗、宽温等优势,可广泛应用于便携、工业、消费电子等领域,是低压系统设计的理想选择。

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