WMSIC Electronic Components

JJW JMTL2301C

ModelJMTL2301C
PackageSOT-23
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JJW JMTL2301C
Type
JJW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JJW
Electronic Component
JMTL2301C
Electronic Component
1
Package
SOT-23
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.041g
Electronic Component
1
Electronic Component
BM0226338284
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V

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

JMTL2301C 产品概述

一、产品简介

JMTL2301C 是捷捷微(JJW)推出的一款低压 P 沟道功率 MOSFET,SOT-23 小封装,适用于便携式电源、锂电管理、高侧开关及功率路径控制等场景。器件工作温度范围宽(-55℃~+150℃),适合工业级及要求较高温度耐受性的应用。

二、主要参数(典型、测试条件)

  • 类型:P 沟道 MOSFET
  • 漏源电压 Vdss:20 V
  • 导通电阻 RDS(on):100 mΩ @ |Vgs|=2.5 V
  • 阈值电压 Vgs(th):1 V @ Id=250 µA(开始导通点)
  • 栅极电荷 Qg:4.1 nC @ Vgs=4.5 V
  • 输入电容 Ciss:503 pF @ 10 V
  • 反向传输电容 Crss:58 pF
  • 功耗 Pd(封装极限):1 W
  • 封装:SOT-23(3 引脚)
  • 数量:单个 P 沟道器件

三、器件特性与电气性能要点

  • 低 RDS(on):在 Vgs 约 2.5 V 驱动条件下 RDS(on) 典型为 100 mΩ,适合低压大电流的高侧开关方案。
  • 逻辑电平驱动:阈值约 1 V,容易在低压系统实现可靠开通,但作为 P 沟道器件需注意 Vgs 极性(门极需低于源极以导通)。
  • 开关性能:Qg=4.1 nC、Ciss=503 pF,表明开关能耗和门驱动负担较小,适合中低频开关应用。
  • 热限及功耗:SOT-23 封装 Pd 额定为 1 W,实际热阻强依赖 PCB 散热设计,应按实际 RθJA 与功耗计算考虑热降额。

四、典型应用

  • 电池正极/负载高侧开关、放电/充电路径控制
  • 便携式设备电源管理与电池保护电路
  • 低压 DC-DC 变换器中的高侧 P 沟道开关或反向保护
  • 小功率同步整流与负载断开

五、设计与布局建议

  • 热管理:SOT-23 散热能力有限,建议在 PCB 上增加散热铜箔、加大焊盘面积并考虑过孔过渡以降低 RθJA,满足连续大电流时的温升限制。
  • 布线:尽量缩短电流回路的走线宽度与长度,减小寄生电感与电阻。
  • 驱动:由于 Qg 与 Ciss 中等,建议串联小阻抗门极电阻以控制 dv/dt,防止振荡;门极及源之间可并联小电阻/上拉,实现可靠关断。
  • ESD 与浪涌保护:典型便携应用有较强瞬态,推荐在输入端使用浪涌抑制器或 RC 抑制网络。

六、开关能耗与驱动计算举例

  • 门极能量(单次开关)≈ 0.5 * Vdrive * Qg。若以 4.5 V 驱动,E ≈ 0.5 * 4.5 V * 4.1 nC ≈ 9.2 nJ。
  • 若工作频率 100 kHz,则门驱动功耗约 Pgate = E * f ≈ 0.92 mW,门极平均驱动电流 Ig = Qg * f ≈ 0.41 mA。
  • 导通损耗举例:I = 1 A 时 Pd(on) = I^2 * RDS(on) = 1^2 * 0.1 Ω = 0.1 W;I = 3 A 时约 0.9 W(接近封装极限,需注意温升与热降额)。

七、封装与可靠性

SOT-23 小体积适合空间受限场合,但热容量有限。器件额定工作温度覆盖 -55℃~+150℃,适合严苛温度工况。最终可靠性建议参照完整数据手册与制造商的应用注意事项。

八、选型与使用注意事项

  • 核查数据手册中 Vgs 最大额定值与引脚定义(SOT-23 引脚排列在不同厂家/型号上可能有差异)。
  • 若需更低 RDS(on) 或更高功率,请考虑更大封装(如 SOT-223、DFN 带散热焊盘)或并联多颗器件。
  • 在高频大电流或汽车级应用中,确认器件在系统环境下的热降额、安全裕量及抗浪涌能力。

九、总结

JMTL2301C 为一款面向低压高侧开关与电源管理场景的 P 沟道 MOSFET,具备低导通电阻、适中栅极电荷和宽温度范围,适合便携与工业类小功率功率路径控制应用。具体电路设计时,请结合 PCB 散热、驱动方案与系统电压范围进行综合评估,并以原厂完整数据手册为最终依据。

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