WMSIC Electronic Components

GOODWORK SI2310

ModelSI2310
PackageSOT-23
BrandGOODWORK
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
GOODWORK SI2310
Type
GOODWORK
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
SI2310
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0229305573
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.5W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
60V

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

SI2310 产品概述(GOODWORK 固得沃克)

一、核心参数一览

SI2310 是来自 GOODWORK(固得沃克)的一款 SOT-23 封装单片 N 沟道场效应管(MOSFET),针对中低压开关和驱动应用进行了优化。主要参数如下:

  • 漏源电压 Vdss:60 V
  • 连续漏极电流 Id:3 A
  • 导通电阻 RDS(on):125 mΩ @ Vgs = 4.5 V
  • 阈值电压 Vgs(th):2.0 V @ Id = 250 μA
  • 总栅极电荷 Qg:6 nC @ Vgs = 4.5 V
  • 输入电容 Ciss:247 pF;反向传输电容 Crss:19.5 pF
  • 最大耗散功率 Pd:1.5 W(环境与散热条件相关)
  • 工作温度范围:-55 °C ~ +150 °C
  • 封装:SOT-23;数量:1 片(单只器件)

二、主要特性与优势

  • 逻辑电平兼容:阈值约 2 V,配合 4.5 V 门极驱动可达到额定 RDS(on),适用于 5 V 或接近逻辑电平的驱动环境。
  • 低导通电阻:125 mΩ 在 4.5 V 下可以有效降低导通损耗,适合低至中等电流的功率开关。
  • 紧凑封装:SOT-23 小体积、适合空间受限的便携设备或 PCB 面阵设计。
  • 中等栅极电荷:Qg = 6 nC,便于驱动但在高频切换时仍需注意驱动能力与响应时间的权衡。
  • 宽温度范围:-55 °C 至 +150 °C,适用于工业级温度需求的应用场景。

三、典型应用场景

  • 电源管理:降压/升压转换器中的低侧开关或同步整流。
  • 负载开关与电源控制:电机驱动控制、继电器替代、背光驱动等。
  • 电池管理与便携设备:电池供电系统中的开关元件。
  • 通用开关:信号切换、驱动小功率负载等场合。

四、使用与热管理建议

  • 耗散与电流限制:在理想条件下,按 I^2·RDS(on) 计算,3 A 时导通损耗约为 1.125 W,接近器件 Pd 的额定 1.5 W。SOT-23 封装对散热依赖 PCB 铜箔面积和环境温度,建议在连续大电流或高占空比工作时合理铺铜或降低工作电流以保证可靠性。
  • 温度对 RDS(on) 的影响:温度升高会导致 RDS(on) 上升,应在高温工况下按保守值选型并适当降额。
  • 驱动与开关速度:若用于开关电源或高频 PWM,应使用合适的栅极驱动器或串联门极电阻来控制上升/下降沿,避免振铃和 EMI。6 nC 的栅极电荷在中高频下会增加开关损耗,需权衡驱动功耗与效率。
  • Miller 效应考虑:Crss = 19.5 pF 表明在开关瞬态中存在明显 Miller 电容影响,设计驱动时需关注栅极电压的短时耦合和栅极驱动回路的阻抗。

五、电路设计要点

  • 在低侧开关场合,可直接将门极接至微控制器或 5 V 驱动,但要保证在 Vgs = 4.5 V 时能满足导通需求;若驱动电压较低(例如 3.3 V),应验证 RDS(on) 在该 Vgs 下的实际值是否满足系统要求。
  • 在高频开关应用中,建议使用小阻值门极电阻(例如 10–100 Ω)以抑制振荡并控制切换损耗,同时配合合适的驱动电流。
  • 若用于感性负载,建议加上续流二极管或 RC 吸收器、防止电压尖峰超过 Vdss(60 V)。
  • PCB 布局:增大漏极/源极铜箔面积、短且宽的走线以减少寄生电阻与提高散热效率。

六、可靠性与存储

  • ESD 防护:MOSFET 对静电敏感,生产与装配环节应进行有效 ESD 管控。
  • 存储条件:避免潮湿和高温长期存储,按照行业标准做防潮包装与回流焊前的烘干处理。
  • 工作寿命:在合适的热管理与降额策略下可达到工业级可靠性;高温、过流或反复高应力切换将缩短寿命。

七、选型与订购信息

  • 型号:SI2310(GOODWORK / 固得沃克)
  • 封装:SOT-23(单片 N 沟道 MOSFET)
  • 建议在最终设计中参考厂商完整的数据手册与封装图,以获取引脚定义、热阻与详细的电特性曲线。

总结:SI2310 在 60 V、3 A 级别的中低压场合具有良好的性价比与逻辑电平兼容性,适合用作通用开关与电源管理元件。设计时需重视热管理、驱动能力和开关损耗的权衡,以确保器件在实际工况下的可靠性与效率。

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