WMSIC Electronic Components

Brightking UBT26A05L03

ModelUBT26A05L03
PackageSOT-23-6L
BrandBrightking
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
Brightking UBT26A05L03
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
UBT26A05L03
Electronic Component
1
Package
SOT-23-6L
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.055g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
3.5pF
Electronic Component
BM0247850376
Operating Temperature
55℃~+150℃
Voltage
17V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA

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

UBT26A05L03 产品概述

一、产品简介

UBT26A05L03 是 Brightking(台湾君耀)推出的一款双路静电放电(ESD)保护器件,封装为 SOT-23-6L。器件针对 5V 系统保护优化,反向截止电压(Vrwm)为 5.25V,击穿电压约 6V,典型钳位电压为 17V(Ipp = 5A, 8/20µs)。其低泄漏电流(Ir ≤ 1µA)、低结电容(Cj ≈ 3.5pF)和宽温度工作范围(-55℃ ~ +150℃),适合高速数据线与电源线的瞬态浪涌防护。

二、主要性能参数(概要)

  • 类型:ESD 保护器件(双路)
  • 封装:SOT-23-6L
  • 反向截止电压 Vrwm:5.25V
  • 击穿电压:6V
  • 钳位电压:17V(Ipp=5A, 8/20µs)
  • 峰值脉冲电流 Ipp:5A(8/20µs)
  • 反向漏电流 Ir:1µA
  • 结电容 Cj:3.5pF(单通道)
  • 工作温度:-55℃ ~ +150℃
  • 防护等级:符合 IEC 61000-4-2(ESD)测试要求

三、典型应用场景

UBT26A05L03 非常适用于各种需要抗静电冲击和瞬态过压保护的接口与信号线,包括但不限于:

  • USB、UART、I2C、SPI 等 5V 或低压数字接口
  • HDMI / MIPI 等高速视频信号线(需考量带宽与容值)
  • 便携设备的外部连接口(充电口、耳机等)
  • 工业控制、仪表和汽车电子中的 I/O 保护(在工作温度范围内)

低结电容使其对高速信号影响小,而双通道设计能在单个小封装内保护两路独立信号,节省 PCB 面积。

四、设计与布局建议

为了发挥器件最佳保护效果,建议在 PCB 设计与布局时注意:

  • 将 UBT26A05L03 靠近被保护的连接器或芯片引脚布置,保护路径尽量短。
  • 最小化器件到地的回流路径电感,使用地平面和尽可能多的穿板过孔(vias)。
  • 避免在线路上放置其他可能延长浪涌路径的器件(如电阻、电感)。
  • 对于差分或高速信号,注意匹配差分线长度与阻抗,且将保护器件放置在信号走线的起点或终点。
  • 考虑器件的功率耗散能力与热路径,虽然 ESD 事件为瞬态但多次冲击时需关注热累积。

五、可靠性与合规

UBT26A05L03 工作温度范围广(-55℃~+150℃),适合恶劣环境与长寿命应用。器件通过 IEC 61000-4-2 相关测试,能有效抑制人体模型或接触放电引起的静电瞬态。实际设计中应参考完整的应用规范与系统级测试,确保满足整机的电磁兼容(EMC)要求。

六、封装与使用注意

SOT-23-6L 封装便于自动贴片生产、节省空间。使用时应注意 ESD 器件本身的静电敏感性,推荐在防静电环境中存放和操作,遵循常规的 SMT 回流温度曲线限制并参考厂商的封装与焊接指南。

七、总结

UBT26A05L03 以其针对 5V 系统的 Vrwm、较低结电容和双通道小封装优势,为多种接口提供经济、高效的静电与瞬态过压保护方案。合理的 PCB 布局与器件选型能够显著提高系统在静电冲击与浪涌条件下的可靠性与稳定性。若需进一步参数(例如动态电阻、典型漏电随温度变化曲线或详细封装尺寸),建议参考 Brightking 正式数据手册或联系供应商获取完整技术资料。

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