WMSIC Electronic Components

WILLSEMI ESD5305F-6/TR ESD5305F

ModelESD5305F-6/TR
PackageSOT-23-6L
BrandWILLSEMI
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
WILLSEMI ESD5305F-6 / TR
Type
WILLSEMI
Minimum package
3000

Technical parameters

Electronic Component
WILLSEMI
Electronic Component
ESD5305F-6/TR
Electronic Component
1
Package
SOT-23-6L
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.04g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.65pF
Electronic Component
BM0231033225
Operating Temperature
40℃~+85℃
Voltage
14V
Electronic Component
IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
50nA

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

ESD5305F-6/TR 产品概述

ESD5305F-6/TR 是 WILLSEMI(韦尔)推出的一款四路、单向 TVS 二极管阵列,专为对高速数据线和电源线的静电放电(ESD)与浪涌(Surge)保护而设计。器件封装为 SOT-23-6L,适配紧凑 PCB 布局与自动贴装需求(/TR 表示卷带供货)。符合 IEC 61000-4-2 和 IEC 61000-4-5 标准,能在工业级工作温度下提供可靠的过压防护。

一 特性概览

  • 钳位电压:14 V(在典型浪涌测试条件下)
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 击穿电压(Vbr):9 V(典型/最小门槛)
  • 反向截止电压(Vrwm):5 V —— 适用于 5 V 类接口防护
  • 峰值脉冲电流(Ipp):6 A @ 8/20 µs
  • 反向漏电流(Ir):50 nA(典型)
  • 结电容(Cj):0.65 pF —— 适合高速信号线
  • 通道数:4 路,单向极性
  • 防护等级:符合 IEC 61000-4-2(ESD)与 IEC 61000-4-5(浪涌)

二 电气参数解析

ESD5305F-6/TR 的 Vrwm=5 V 表明在正常工作电压不超过 5 V 时器件处于高阻态,不会影响信号传输;当发生过压(如 ESD 或浪涌)时,器件进入击穿并将能量钳位至约 14 V,限制过电压传递到后端电路。6 A @ 8/20 µs 的脉冲承受能力适合典型的线路级浪涌防护;超低结电容(0.65 pF)保证对高速差分信号(例如 USB/高速串行)影响极小;微小的反向漏流(50 nA)有利于低功耗系统和模拟前端应用。

三 典型应用场景

  • 5 V/USB 类接口的 ESD 与浪涌保护(如 USB2.0、USB OTG 等)
  • 工业与消费类设备的 I/O 保护(按键、接口、显示屏数据线)
  • 通信端口与传感器线路的瞬态抑制
  • 任何需在有限 PCB 面积内提供多路单向浪涌/静电防护的应用

四 封装与 PCB 布局建议

  • 封装:SOT-23-6L,四通道一体化,利于节省 PCB 空间与元件数目。
  • 布局建议:将器件尽量靠近受保护的连接器或信号源放置,信号走线最短且直接到器件引脚;保护端到接地的回流路径要短且粗,优先使用地平面或多过孔连接以降低寄生电感。
  • 焊盘与散热:遵循制造商推荐的 SOT-23-6L 焊盘尺寸,避免过大外露铜导致回流路径变长或焊接不良。

五 使用注意与可靠性

  • 单向器件适用于信号相对于地有明确偏置的应用;若信号双向摆幅较大,需选用双向 TVS。
  • 在高能脉冲或频繁冲击环境中,应评估器件的累积功耗与热耗散,必要时配合浪涌抑制器或熔断保护件。
  • 工作温度范围 -40 ~ +85 ℃ 满足常见工业与消费级要求;高温环境下需验证漏电流与钳位电压漂移。
  • 建议在设计阶段做 IEC 61000-4-2 / 4-5 的实际板级测试以确认系统级保护性能。

六 典型接法与设计要点

  • 单端信号保护:将受保护线通过 TVS 通道到地(GND),当过压出现时器件导通将能量导入地。
  • 多通道组合:四通道可保护多路数据线或多个 I/O,内部独立通道减少外部元件。
  • 与滤波配合:对于射频或高速差分线,可在满足带宽需求的前提下,与串联阻抗或共模滤波器配合使用以增强系统抗干扰能力。

总结:ESD5305F-6/TR 提供了低电容、高可靠性的四路单向瞬态抑制解决方案,尤其适合对 5 V 类高速接口进行紧凑化防护设计。在实现高效防护的同时,对信号完整性影响极小,适合工业与消费电子的多种场景。若需样片、封装尺寸或 PCB 推荐焊盘图,可进一步提供具体资料。

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