WMSIC Electronic Components

BORN BST23C082V

ModelBST23C082V
PackageSOT-23
BrandBORN
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
BORN BST23C082V
Type
BORN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
BST23C082V
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.033g
Electronic Component
1
Cj- Capacitor
40pF
Electronic Component
BM0263572168
Voltage
18V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
100nA
Voltage(VBR)
10V

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

BST23C082V 产品概述

一、简介与主要特性

BST23C082V 是一款双向硅雪崩型瞬态电压抑制(TVS)二极管,面向数据线和自助终端(如自动取款机)等需要抗静电和浪涌保护的应用场景。产品由 BORN(伯恩半导体)提供,采用 SOT-23 小型封装,集成高能脉冲吸收能力与低泄漏特性。

主要特性:

  • 峰值脉冲功率 Ppp = 350W(tp = 8/20μs)
  • 峰值脉冲电流 Ipp = 15A @ 8/20μs
  • 反向截止电压 Vrwm(稳态工作电压)= 8V(双向)
  • 击穿电压 VBR = 10V
  • 钳位电压 Vcl ≈ 18V(在脉冲条件下)
  • 反向漏电流 Ir = 100nA(典型低泄漏)
  • 结电容 Cj = 40pF(适中,需评估高速信号影响)

二、电气参数解读

Vrwm = 8V 表示器件在正常工作状态下对交流/直流偏压的稳态承受能力;当出现过电压脉冲时,器件在约 VBR = 10V 启动雪崩导通,并在大电流下将电压钳制到约 18V,从而保护后端电路。350W 的 8/20μs 能量处理能力配合 15A 峰值电流,能有效吸收工业级浪涌与大电荷静电事件。

40pF 的结电容在多数低速或中速数据线应用中可接受,但在要求极低容性负载的高速差分总线(如高速以太网、USB3.x、PCIe 等)上需事先评估对信号完整性的影响。

三、抗扰度与标准符合性

BST23C082V 支持多项工业电磁兼容标准:

  • IEC 61000-4-2(ESD):空气放电 ±30kV,接触放电 ±30kV
  • IEC 61000-4-4(EFT)与 IEC 61000-4-5(浪涌)等级保护 这些能力使器件适合于前端接口的直接防护,减少系统因静电放电或瞬态浪涌而导致的故障风险。

四、典型应用场景

  • 各类数据线保护(串口、RS-485、I/O 端口等)
  • 自动柜员机(ATM)前端接口与读卡器保护
  • POS 机、人机界面与工业控制器的外部信号端口
  • 任何需要双向过压保护且对钳位电压有中等要求的场合

五、封装与安装建议

SOT-23 小封装便于贴片自动化生产,建议将器件尽量靠近被保护的接口或连接器安装,以最小化回路面积和寄生电感。对高能脉冲环境,注意 PCB 铜箔面积与散热走线,确保能量通过器件安全分散。若用于多线保护,可配合串联电阻、差分变压器或滤波元件共同优化抗扰性与信号完整性。

六、选型与使用提示

  • 若被保护信号为高速差分信号,请测量或仿真 40pF 对带宽的影响;必要时选用更低电容的 TVS 器件或在保护结构中加入隔离措施。
  • 评估系统最大工作电压,Vrwm = 8V 适用于 5V 左右系统的双向保护;对更高工作电压系统需选型更高 Vrwm 值。
  • 在多次大能量冲击的场合,建议进行可靠性验证,确保器件在实际应用中满足寿命与重复冲击要求。

BST23C082V 提供了一种在体积受限场合下兼顾高能量吸收、低漏电与合规防护能力的经济型解决方案,适合广泛的通信与工业接口保护需求。

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