WMSIC Electronic Components

RUILON RLST23A052V

ModelRLST23A052V
PackageSOT-23
BrandRUILON
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
RUILON RLST23A052V
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RLST23A052V
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.032g
Electronic Component
1
Cj- Capacitor
220pF
Electronic Component
BM0258852052
Voltage
9.8V
Electronic Component
IEC 61000-4-2
Current(Ir)
10uA
Voltage(VBR)
6V

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

RLST23A052V 产品概述

RLST23A052V 是 RUILON(瑞隆源)出品的一款单向硅基瞬态电压抑制器(TVS),采用 SOT-23 小外形封装,专为 5V 系统的静电与浪涌保护设计。器件在体积、能量吸收能力和工艺兼容性之间取得平衡,适用于工业、消费电子与通信设备的电源轨和部分 I/O 保护场合。

一、主要性能亮点

  • 极性:单向(针对正向瞬态过压吸收,适合直流电源保护)
  • 反向截止电压(Vrwm):5 V(适配典型 5V 电源系统)
  • 击穿电压(Vbr):6 V(器件进入箝位区的起始电压)
  • 钳位电压(Vclamp):9.8 V(在峰值脉冲电流条件下,保证被保护侧电压限制)
  • 峰值脉冲电流(Ipp):10 A @ 8/20 μs(抗浪涌能力)
  • 峰值脉冲功率(Ppp):350 W @ 8/20 μs(单位脉冲能量吸收能力)
  • 反向漏电流(Ir):10 μA(在 Vrwm 下的漏电特性,低功耗)
  • 结电容(Cj):220 pF(影响高速信号的带宽特性)
  • 防护等级:符合 IEC 61000-4-2 静电放电防护标准
  • 封装:SOT-23(便于表面贴装,节省 PCB 空间)

二、典型应用场景

  • 5V 电源轨的浪涌与静电保护(如手机充电口、充电模块、开关电源的输出侧)
  • 一些低速或对电容容忍度较高的 I/O 线保护(例如某些 UART、GPIO 线路)
  • 工业控制设备、仪器仪表、电源模块的入线保护
  • 消费电子设备中需要在小封装内实现中等能量吸收的场合

三、设计与选型注意事项

  • 结电容较大(220 pF),因此不推荐用于高速数据线(如 USB2.0 高速、USB3.0、HDMI 等)或对信号完整性敏感的接口。该器件更适合用于电源轨或对电容容忍的信号路径。
  • 单向结构要求被保护线路具有确定的极性(正向工作),若应用需双向保护,应选用双向 TVS 器件。
  • 钳位电压约 9.8V(在 10A 峰值脉冲条件下),设计时应确保被保护器件在此钳位电压下仍能承受短时冲击或在上游增加限流/熔断保护。

四、PCB 布局与安装建议

  • TVS 芯片应尽可能靠近需保护的连接器或信号源放置,减小串联走线电感与电阻。
  • 保护接地(GND)应采用短且宽的回流路径,必要时在器件附近使用多匝或多通孔(vias)直接连至接地平面,以降低接地电阻和感抗。
  • 若在电源线上使用,建议在 TVS 的上游配合熔丝或受控限流元件,以分担大能量冲击并保护 TVS 本身。
  • 过流、过温保护与散热考虑:SOT-23 封装的散热能力有限,重复或极端浪涌可能引起温升,应在系统层面评估脉冲能量与发生频率。

五、封装与可靠性

  • SOT-23 小型封装利于自动贴片生产与紧凑设计,适配常见的 SMT 工艺流程。
  • 产品符合 IEC 61000-4-2 静电放电标准,能为设备提供有效的静电防护;同时标称的 8/20 μs 浪涌能力(10 A / 350 W)保证其对常见浪涌事件有一定承受能力。

六、选型建议与总结

RLST23A052V 适合用于 5V 电源轨及对速度要求不高、对电容容忍度较大的 I/O 线路的浪涌与静电保护。其单向特性、较高的吸收功率和 SOT-23 小封装使其成为需要在有限空间内实现中等能量保护场合的合理选择。但若要保护高速数据线或对信号完整性要求严格的接口,建议选用低结电容(通常 < 10–50 pF)的 TVS 器件或采用更适配的防护方案。购买和使用时,请参考 RUILON 官方数据手册获取完整电气特性曲线、管脚定义和应用示意图,以确保在目标应用中的可靠性与兼容性。

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