WMSIC Electronic Components

KUU BV03C

ModelBV03C
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
KUU BV03C
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
BV03C
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.027g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.8pF
Electronic Component
BM0231142803
Operating Temperature
55℃~+150℃
Voltage
20V
Electronic Component
IEC 61000-4-2;IEC 61000-4-4

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

BV03C(KUU)产品概述

一、产品简介

BV03C 是 KUU 推出的一款面向静电放电(ESD)与脉冲浪涌防护的小型瞬态抑制二极管(TVS),采用 SOD-323 封装,单通道、双向结构。该器件针对敏感信号线提供低钳位电压、低结电容和高脉冲承受能力,适用于微型连接器、接口线路以及对信号完整性要求较高的便携式电子设备。

二、主要电气与机械参数

  • 极性:双向(双向对称钳位,支持正反向脉冲)
  • 反向截止电压 Vrwm:3 V
  • 击穿电压 Vbr:4 V
  • 钳位电压:20 V(典型工作脉冲时)
  • 峰值脉冲电流 Ipp:20 A(典型测试条件下)
  • 峰值脉冲功率 Ppp:350 W(单次脉冲瞬态功率能力)
  • 反向电流 Ir:5 μA(在 Vrwm 条件下)
  • 结电容 Cj:0.8 pF(低电容,有利于高速信号)
  • 通道数:单路
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 防护等级/标准:满足 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)
  • 封装:SOD-323(小型表面贴装)

三、电气特性解读(为何这些参数重要)

  • 低 Vrwm(3 V)和 Vbr(4 V):适配电压等级低的数字接口,在正常工作电压下保持高阻态,只有在瞬态事件时迅速进入导通状态。
  • 钳位电压 20 V:在脉冲事件时将过电压钳制在可接受范围,保护后级器件不被高压损坏。
  • Ipp 与 Ppp:20 A 的瞬态电流和 350 W 的瞬时功率表明器件能吸收较大的单次脉冲能量,适合常见的静电放电与短时浪涌防护要求。但需注意重复脉冲或长时间高能量脉冲会造成器件热应力。
  • 低结电容(0.8 pF):对高速信号线影响极小,可用于 USB、差分对或其他高频信号接口的近端保护。
  • 双向结构:无需外加反向并联器件,可同时防护正负极性瞬态,适用于双极性信号或对地/对线的保护场景。

四、典型应用场景

  • 数据接口保护:USB、HDMI、DisplayPort 等高速信号线(需结合电路具体带宽与差分阻抗评估)
  • 通讯设备:以太网端口、无线模块天线接口(作为近端抗静电保护)
  • 工业与车载电子:对瞬时干扰与静电冲击敏感的控制信号线(需评估工作环境及符合车规要求)
  • 消费电子:智能手机、笔记本、外设等的连接器与按键线路防护

五、封装与 PCB 布局建议

  • 放置位置:尽量靠近外部连接器或干扰源的入口(如 I/O 插座、天线接头),以缩短受保护节点到 TVS 的走线长度,减少辐射与串扰。
  • 接地设计:为达到最佳能量分流,TVS 的接地端应通过低阻抗、短距离的回流路径连接到共地平面,必要时增加过孔(via)形成良好接地。
  • 走线与铜皮:避免在 TVS 周围留有大面积孤立铜皮,以减小环路面积极致的感抗,保持散热路径通畅。
  • 焊接与热回流:SOD-323 属常见表贴封装,建议采用标准回流焊工艺;具体温度曲线请参考 KUU 官方资料与 PCB 工艺规范。

六、设计注意事项与可靠性提示

  • 能量与重复脉冲:器件标称 Ipp/Ppp 适用于短时脉冲(单次或低频脉冲),不宜用于连续或高能重复浪涌场合,长期承受高能量会降低寿命或导致失效。
  • 温度影响:高温环境下器件的漏电流和钳位特性会变化,设计需预留裕量,确保在最高工作温度下仍能满足保护要求。
  • 验证测试:在产品设计阶段建议进行实际系统级 ESD/ EFT 测试,评估 TVS 在目标板卡上的保护效果并验证布局优化。
  • 替代与选型:选型时若需更高电流或更低钳位,可参考同类 TVS 产品族,但需兼顾结电容与封装尺寸。

七、订购信息与后续支持

  • 品牌:KUU;型号:BV03C;封装:SOD-323;单路双向 ESD TVS。
  • 在实际采购与大规模采用前,建议索取并审阅 KUU 官方完整数据手册,确认典型测试条件(如脉冲波形 8/20 µs 等)与可靠性认证细节。若需替代型号或更高等级保 护,请提供具体应用场景(接口类型、最大工作电压、期望耐受能量)以便推荐更匹配的解决方案。

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