WMSIC Electronic Components

KUU BV05C

ModelBV05C
PackageSOD-323
BrandKUU
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
KUU BV05C
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
BV05C
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.026g
Electronic Component
1
Cj- Capacitor
0.8pF
Electronic Component
BM0225994553
Operating Temperature
55℃~+150℃
Voltage
20V
Electronic Component
IEC 61000-4-2;IEC 61000-4-4
Current(Ir)
1uA

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

BV05C 产品概述

一、产品简介

BV05C 是 KUU 品牌的一款双向瞬态抑制二极管(TVS),用于对抗静电放电(ESD)和快速瞬态脉冲(EFT)等瞬态过电压事件。器件采用 SOD-323 小封装,适合空间受限的便携设备与高速信号接口保护,工作环境温度范围宽(-55℃ 至 +150℃),可靠性高,适用于消费电子、通信与工业控制等领域。

二、主要电气参数

  • 钳位电压(Vcl):20 V(典型值,在规定脉冲条件下)
  • 击穿电压(Vbr):6 V(典型)
  • 反向截止电压 Vrwm:5 V
  • 峰值脉冲功率 Ppp:350 W(8/20μs 波形)
  • 峰值脉冲电流 Ipp:18 A
  • 反向漏电流 Ir:1 μA(在 Vrwm 条件下)
  • 结电容 Cj:0.8 pF(低电容,适合高速信号线)
  • 极性:双向
  • 类型:ESD(TVS)
  • 工作温度:-55℃ ~ +150℃
  • 封装:SOD-323

三、符合的电磁兼容标准

BV05C 可满足 IEC 61000-4-2(静电放电)和 IEC 61000-4-4(快速瞬变脉冲群)测试要求,能在常见的静电冲击和脉冲干扰场景中提供有效的瞬态能量吸收与钳位保护。

四、典型应用场景

  • USB、HDMI、MIPI、LVDS 等高速数据接口的差分/单端线保护(低结电容适合高速信号)
  • 手机、平板、笔记本等便携设备的 I/O 端口保护
  • SIM 卡、SD 卡插槽、电源输入和通信端口的防护
  • 工业与汽车电子中对短时脉冲抑制的应用(注意按实际功率与热流限制设计)

五、封装与安装建议

  • SOD-323 小体积封装便于高密度 PCB 布局,推荐将器件尽可能靠近被保护引脚放置以降低串联电感。
  • 双向结构无需极性区分,安装方向灵活。
  • 推荐采用标准回流焊工艺,注意遵循焊接温度曲线以免影响器件可靠性。
  • 在高能量防护场景中,建议在 PCB 上采用充足的接地平面与短回流路径以提高吸收效率。

六、使用注意事项

  • TVS 用于吸收瞬态能量,不应长期承受高电压或连续功率消耗,超出额定脉冲能量会损坏器件。
  • 设计时需考虑功率耗散与热量管理,必要时采用并联或更大功率器件。
  • 在高速信号路径使用时,应利用其 0.8 pF 的低电容特性,但仍需评估对信号完整性的影响。
  • 在严苛环境或关键系统中,建议做实际 ESD/EFT 测试以验证整机保护效果。

七、典型电路接法(示意)

  • 对于单端信号:将 BV05C 两端直接并联在信号线与地之间(双向器件在正负方向均可工作)。
  • 对于差分信号:可在两根差分线上分别放置一只 BV05C,或在两线之间并联一只双向 TVS(视具体拓扑而定)。
  • 请保证器件与接地端的连接短且粗,以降低串联电感并提高响应速度。

BV05C 以其低电容、小体积与 350W 峰值能量能力,适合对 5V 及以下系统的高速接口与通用 I/O 进行高效瞬态保护。在实际选型时,请结合系统工作电压、脉冲能量需求与热管理方案进行综合评估。

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