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BORN BDFN2A201V
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BORN BDFN2A201V
- Type
- BORN
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BORN
- Electronic Component
- BDFN2A201V
- Electronic Component
- 1
- Package
- DFN1006
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.01g
- Electronic Component
- 1
- Cj- Capacitor
- 70pF
- Electronic Component
- BM0264900530
- Operating Temperature
- 55℃~+125℃
- Voltage
- 30V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；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.
BDFN2A201V 产品概述
一、产品简介
BDFN2A201V 是 BORN（伯恩半导体）推出的一款单向 TVS（瞬态电压抑制）二极管，面向接口与端口的静电（ESD）、浪涌和脉冲干扰保护。器件采用超小型 DFN1006 表面贴装封装，适合空间受限的电路板设计，能在突发过压事件中为敏感元件提供快速、可靠的钳位保护。
二、主要参数与特性
- 极性：单向（Unidirectional）
- 反向截止电压 Vrwm：20 V
- 击穿电压 VBR：23.5 V
- 钳位电压 Vclamp：30 V（典型值，测试条件 8/20 μs）
- 峰值脉冲电流 Ipp：36 A（8/20 μs 波形）
- 峰值脉冲功率 Ppp：1.2 kW（8/20 μs）
- 反向泄漏电流 Ir：1 μA（常温）
- 结电容 Cj：70 pF（影响高速信号特性）
- 工作温度范围：-55 ℃ 至 +125 ℃
- 防护等级：符合 IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）与 IEC 61000-4-5（浪涌）标准
这些参数表明器件在中等能量脉冲（如工频浪涌、开关瞬态、静电放电）下具有良好的吸收和钳位能力，同时低漏电适用于电源及信号线保护。
三、典型应用场景
- USB、UART、RS-232/RS-485、CAN 等接口保护
- 开关电源输入与外部供电口过压保护（≤20 V 工作电压系统）
- 工业控制、通信设备、监控摄像头与消费电子终端的端口防护
- 电磁兼容（EMC）方案中作为一级浪涌/ESD 防护元件
四、封装与安装注意事项
BDFN2A201V 使用 DFN1006 小封装，便于贴片自动化加工。建议设计时将 TVS 尽量靠近被保护的输入/输出引脚放置，输入端与器件之间走线最短最粗，地线应有低阻抗回流路径（建议连接到连续地平面或配置多盏过孔），以提高吸收能量的效率并降低旁路干扰。
五、选型与设计建议
- 若系统工作电压接近 20 V，应优先考虑 Vrwm 与 VBR 匹配，避免误触发。
- 对于高速信号（差分或高数据率），器件 70 pF 电容可能影响信号完整性，选择前请评估对眼图/上升沿的影响。
- 在高能量环境（如直击浪涌）需并联更多吸能元件或选择更高功率等级的 TVS。
- 注意器件热耗散能力与印制板散热设计，合理配置铜箔面积与过孔以辅助散热。
六、可靠性与环境适应性
产品工作温度覆盖工业级范围（-55 ℃ 至 +125 ℃），适合在严酷环境中长期运行。符合 IEC 61000-4 系列测试标准，能在常见的现场干扰条件下提供有效保护。应用时建议根据系统的寿命与故障模式，评估在多次大能量事件后的器件状态并考虑冗余保护策略。
总结：BDFN2A201V 是一款适用于多种接口与中等能量保护需求的单向 TVS 器件，凭借小封装与较高的脉冲吸收能力，非常适合空间受限且要求可靠静电与浪涌防护的电子系统。
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