WMSIC Electronic Components

JJW JMTN2310A

ModelJMTN2310A
PackageSOT-89-3L
BrandJJW
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JJW JMTN2310A
Type
JJW
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JJW
Electronic Component
JMTN2310A
Electronic Component
1
Package
SOT-89-3L
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.175g
Electronic Component
1
Electronic Component
BM0257328735
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.4W
Electronic Component
Electronic Component
Electronic Component
1000
Voltage(Vdss)
60V

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

JMTN2310A 产品概述

一、产品简介

JMTN2310A 是捷捷微(JJW)推出的一款小功率 N 沟道场效应管(MOSFET),适用于需要 60V 耐压和中等导通电阻的功率开关场合。器件采用 SOT-89-3L 封装,单只在典型工况下可承受 3A 连续漏极电流,最大功耗 1.4W,工作环境温度范围宽(-55℃ ~ +150℃),适合用于小型开关电源、电子负载切换及功率管理等场景。

二、主要参数亮点

  • 类型:N 沟道 MOSFET(单颗)
  • 漏源耐压(Vdss):60V
  • 连续漏极电流(Id):3A
  • 导通电阻(RDS(on)):119mΩ @ Vgs = 4.5V
  • 阈值电压(Vgs(th)):2.2V(器件开始导通的门限)
  • 栅极电荷量(Qg):6nC @ Vgs = 4.5V
  • 输入电容(Ciss):350pF
  • 反向传输电容(Crss):23pF
  • 功耗(Pd):1.4W
  • 工作温度范围:-55℃ ~ +150℃
  • 封装:SOT-89-3L
  • 品牌:JJW(捷捷微)

三、功能与应用场景

JMTN2310A 在以下场景表现良好:

  • 小功率 DC-DC 降压/升压转换器的开关元件(尤其为低占空比或中等频率场合);
  • PCB 空间受限的电源管理模块与电池保护电路;
  • 小型电机驱动和继电器替代开关(作为低侧开关使用);
  • 板载负载开关、背光/LED 驱动开关等功率开关应用;
  • 一般电子设备中的切换元件与保护电路。

四、性能解读与设计要点

  • 导通性能:在 Vgs = 4.5V 下 RDS(on) = 119mΩ,说明在逻辑或较低驱动电压(如 5V 驱动)下具有较好的导通损耗表现。例如:在漏极电流为 1A 时,导通损耗约为 I^2·R ≈ 0.12W,远低于器件最大功耗(需结合封装散热能力评估)。
  • 门极驱动:Qg = 6nC(4.5V)与 Ciss = 350pF 表明器件在开关时需要一定的驱动能量与驱动能力。若用于频繁切换或较高开关频率,应选用足够的驱动器或驱动电路以保证开关速度并控制开关损耗。
  • 热管理:器件最大耗散功率为 1.4W,但实际允许功耗取决于 PCB 散热、环境温度与焊盘设计。SOT-89-3L 为小型封装,热阻相对较高,设计时应考虑增加铜箔面积或散热过孔以降低结温。
  • 开关特性:较小的 Crss(23pF)有助于减小 Miller 效应对关断速度的影响,但在高 dV/dt 场合仍需注意栅极抗干扰与死区管理。

五、选型与使用建议

  • 驱动电压选择:若驱动电压可达 10V,可获得更低的导通电阻;若仅有 3.3V 驱动,应验证在该电压下的导通性能是否满足系统电流与损耗需求(注意规格书中 RDS(on) 给出的是 4.5V 条件)。
  • 散热设计:在高电流或持续导通工况下,预留足够的 PCB 铜箔并使用多片过孔引出至大铜箔以降低结-环境温升。
  • 布局要点:门极走线尽量短且靠近驱动器,源极与电流回流地线要低阻且短,避免共地噪声影响门极;在门极与源极之间加适当栅极电阻以抑制振荡,并在需要时并联 TVS 或 RC 抑制以保护器件免受瞬态电压冲击。
  • 保护与可靠性:在高浪涌或感性负载切换时,考虑并联合适的二极管或限流器件,确保器件不会承受超过 60V 的反向尖峰电压。

六、结论

JMTN2310A 是一款面向中低功率、体积受限场合的 60V N 沟道 MOSFET,其在 4.5V 驱动下具有较低的 RDS(on)(119mΩ)与适中的栅极电荷(6nC)。SOT-89-3L 封装使其适用于空间有限的 PCB 布局方案,但对散热与驱动配置需加以注意。对于寻求在 60V 级别实现可靠开关、并兼顾成本与封装尺寸的应用,JMTN2310A 是值得考虑的元件。

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