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BORN BSD5A181V35
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BORN BSD5A181V35
- Type
- BORN
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BORN
- Electronic Component
- BSD5A181V35
- Electronic Component
- 1
- Package
- SOD-523
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.015g
- Electronic Component
- 1
- Cj- Capacitor
- 45pF
- Electronic Component
- BM0264583391
- Voltage
- 27V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 1uA
- Voltage(VBR)
- 19.8V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BSD5A181V35 产品概述
一、概述
BSD5A181V35 是 BORN（伯恩半导体）推出的一款单向 TVS 二极管，采用 SOD-523 超小封装，面向瞬态电压抑制与静电放电保护场景设计。器件在小体积下提供高达 200W（8/20μs）的脉冲能量吸收能力，适合对电路端口进行可靠的浪涌与 ESD 护航。
二、主要特性
- 极性：单向（适合有固定极性的电源与信号保护）
- 反向工作电压 Vrwm：18 V
- 击穿电压 VBR：19.8 V
- 钳位电压 Vc：27 V（典型）
- 峰值脉冲电流 Ipp：8 A（8/20 μs）
- 峰值脉冲功率 Ppp：200 W（8/20 μs）
- 反向漏电流 Ir：≤1 μA
- 结电容 Cj：45 pF（影响高频信号特性）
- 封装：SOD-523（极小体积，适合空间受限设计）
- 防护等级：满足 IEC 61000-4-2/4-4/4-5 标准
三、典型电气与应用场景
BSD5A181V35 适用于需要中高能量瞬态抑制但封装面积受限的场合，例如便携式设备电源线保护、工业控制信号线、通信与接口端口的浪涌与 ESD 防护。45 pF 的结电容在多数低速与中速信号链路中可接受；对于超高速差分信号应评估对信号完整性的影响。
四、封装与安装注意
- 封装：SOD-523，适合自动贴片回流焊工艺。
- 布局建议：靠近被保护引脚并在两端提供适当接地回流路径；尽量缩短到地面的走线，避免形成环路。
- 热管理：器件为瞬态能量吸收器件，长时间或重复高能脉冲会产生热累积，应结合系统级保护（限流器件、熔丝）使用。
五、符合标准与可靠性
该器件通过 IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT/电快速瞬变）、IEC 61000-4-5（浪涌）相关等级测试，适合工业与消费类电磁兼容设计要求。
六、选型建议
当系统工作电压附近、需要单向钳位且可承受 27 V 钳位电压的防护器件时，BSD5A181V35 是体积受限场合的优选。若关注更低结电容或更严格的钳位水平，可对比低 Cj 或更高能量等级的器件以满足信号完整性与保护强度的平衡。
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