WMSIC Electronic Components

Slkor RST9361MA

ModelRST9361MA
PackageDFN1006-2
BrandSLKOR
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Slkor RST9361MA
Type
SLKOR
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SLKOR
Electronic Component
RST9361MA
Electronic Component
1
Package
DFN1006-2
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.01g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.25pF
Electronic Component
BM0230872011
Voltage
21V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
100nA

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

RST9361MA 产品概述

一、概述

RST9361MA 是 Slkor(萨科微)推出的一款单路双向 TVS 晶体管保护器件,封装为 DFN1006-2,专为 3.3V 工作电压系统提供快速瞬态过压与静电放电保护。器件具有极低结电容(Cj ≈ 0.25 pF)、高峰值吸收能力(Ppp = 84 W)和严格的电气特性,适用于高速数据线和对信号完整性有较高要求的接口保护场合。

二、主要参数(关键规格)

  • 类型:TVS(瞬态电压抑制器)
  • 极性:双向(支持双向瞬态钳位)
  • 反向截止电压 Vrwm:3.3 V
  • 击穿电压 Vbr:≈ 4.2 V
  • 钳位电压 Vc(峰值脉冲):≈ 21 V
  • 峰值脉冲功率 Ppp(10/1000 μs 或器件额定条件):84 W
  • 反向电流 Ir:100 nA(静态泄漏小)
  • 结电容 Cj:0.25 pF(典型)
  • 通道数:单路
  • 防护等级 / 认证:符合 IEC 61000-4-4(脉冲群/EFT)和 IEC 61000-4-2(静电放电/ESD)
  • 封装:DFN1006-2(小体积,利于贴片布板)

三、器件特性与优势

  • 低结电容(0.25 pF):对高速信号线影响极小,适合 USB、PCIe、LVDS、Ethernet 等高速差分/单端信号保护。
  • 双向钳位:可在正负瞬态事件中工作,无需方向性限制,适合双向数据线或交流耦合场景。
  • 高峰值吸收能力:在瞬态浪涌或 ESD 事件中能快速吸收能量,保护后级芯片不被击穿或损坏。
  • 微小封装(DFN1006-2):节省 PCB 面积,便于靠近被保护端口布局以提高防护效率。
  • 低漏电流:Ir = 100 nA,有利于低功耗系统和电池供电设备。

四、典型应用场景

  • 3.3V 系统中的数据接口保护(如 UART、I2C、SPI 等)
  • 高速差分或单端信号线的 ESD/EFT 防护
  • 消费电子、通信设备、工业控制设备及物联网终端的接口防护
  • 靠近连接器、天线或外部接口的局部浪涌防护

五、使用与布局建议

  • 器件应尽量靠近被保护引脚或外部连接器布置,以缩短走线,减小串联阻抗与感性耦合。
  • 在器件 GND(或公共地)侧设计良好接地回路,优先采用大面积地平面,减少回流阻抗。
  • 对高速信号,注意匹配阻抗与最小化寄生电容对信号完整性的影响;RST9361MA 的低 Cj 有利于保持信号质量。
  • 在多通道系统中,根据需要选择单路或多路 TVS 器件布局策略,避免互相干扰。

六、选型与注意事项

  • 确认系统最大连续工作电压与 Vrwm(3.3 V)匹配,避免器件在正常工作条件下进入击穿区。
  • 留意钳位电压(21 V)与被保护器件的耐压能力,确保在瞬态事件中被保护器件不会超出安全范围。
  • 查阅完整数据手册以获取峰值脉冲测试条件(脉冲波形、持续时间)和典型 I-V、Clamping 曲线,便于准确设计保护裕量。

总体而言,RST9361MA 以其低电容、高吸收能量和小尺寸封装,能在对信号完整性有要求且工作在 3.3V 体系的场合,提供可靠的瞬态与静电防护,是高速接口和敏感引脚保护的优秀选择。

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