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PANJIT BAV70-AU_R1_000A1 BAV70
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANJIT BAV70-AU_R1_000A1
- Type
- PANJIT
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PANJIT
- Electronic Component
- BAV70-AU_R1_000A1
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Switch Diode
- Electronic Component
- 0.029g
- Electronic Component
- 1
- Electronic Component
- BM0259721869
- Current
- 150mA
- Diode
- 1
- Current(Ir)
- 2.5uA
- (Vf)
- 1.25V@150mA
- Power Dissipation(Pd)
- 250mW
- Electronic Component
- 55℃~+150℃
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BAV70-AU_R1_000A1 产品概述
一、主要特点
BAV70-AU_R1_000A1 是强茂（PANJIT）提供的一款小信号开关二极管，1 对共阴极结构，采用 SOT-23 封装，体积小、布局灵活。器件适合高速开关和信号整形应用，具有良好的反向耐压与较快的恢复时间，适合在空间受限的消费电子与通信设备中使用。
二、典型电气参数
- 正向压降 (Vf)：1.25 V @ 150 mA
- 直流反向耐压 (Vr)：75 V
- 连续整流电流：150 mA
- 最大耗散功率 (Pd)：250 mW
- 反向电流 (Ir)：2.5 μA（典型或最大值，温度相关）
- 反向恢复时间 (Trr)：约 4 ns（适合高速开关）
- 非重复峰值浪涌电流 (Ifsm)：4 A
- 工作结温范围：-55 ℃ 至 +150 ℃
以上参数表明该器件在中等电流、小信号高速切换和较高反向电压场合有良好表现，但需要注意功率耗散限制以避免过热。
三、典型应用场景
- 高速开关与脉冲整形电路：4 ns 的反向恢复时间可满足一般逻辑级别的开关需求。
- 信号整流与钳位：在输入保护、峰值检波和夹位电路中可作小信号整流或钳位二极管。
- 电平移位与混频器输入：双二极管共阴极结构便于实现双路信号处理或差分配置。
- 反向保护与浪涌抑制：Ifsm = 4 A 支持短时浪涌电流冲击，适用于瞬态保护场合（需配合限流设计）。
四、封装与热性能
SOT-23 小型封装利于 PCB 空间优化，但有限的散热能力限制了连续大电流应用。250 mW 的耗散功率在典型板上应用中要求合理的铜箔散热与间歇工作模式。高结温上限（150 ℃）提供了较好的可靠性裕量，但仍需遵守额定最大结温和环境温度要求。
五、设计与使用建议
- 在接近最大整流电流（150 mA）或高频切换时，注意布局短铜走线并扩大接地/电源铜箔以改善散热。
- 对于脉冲浪涌，应配合限流元件或适当的降额设计，避免超出 Ifsm 的重复冲击。
- 在高温环境下，关注反向漏电随温度上升的影响（Ir 增大），对偏置电路做相应容差设计。
- 焊接与回流工艺按 SOT-23 规范执行，避免长时间高温暴露影响可靠性；存储和搬运注意防静电。
六、与常见替代型号对比
与常见的小信号二极管（如 1N4148）相比，BAV70-AU 提供更高的反向耐压（75 V）和双二极管封装优势；与其他双二极管（如 BAW56）相比，特性在 Vf、Trr 或最大电压上有差异，应根据具体电路需求选择最合适型号。
总结：BAV70-AU_R1_000A1 以其共阴极双二极管结构、SOT-23 小封装和 4 ns 的快速恢复能力，适合用于中等电流、高反压和高速切换的信号处理场合。合理的热设计与保护措施能确保长期稳定可靠运行。
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