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PANJIT P4SMA18A_R1_00001
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANJIT P4SMA18A_R1_00001
- Type
- PANJIT
- Minimum package
- 1800 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PANJIT
- Electronic Component
- P4SMA18A_R1_00001
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.111g
- Electronic Component
- 1
- Electronic Component
- BM0264815101
- Operating Temperature
- 55℃~+150℃
- Voltage
- 25.2V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 18.9V
- Electronic Component
- Electronic Component
- Electronic Component
- 1800
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
P4SMA18A_R1_00001 产品概述
一、产品简介
P4SMA18A_R1_00001 是强茂（PANJIT）推出的一款瞬态电压抑制二极管（TVS），采用通用 SMA（DO-214AC）封装，专为线路级静电放电（ESD）和浪涌保护设计。器件以较低的反向工作电压与较高的能量吸收能力，提供对敏感电子电路的快速、可靠防护。
二、主要电气参数
- 反向截止电压 Vrwm：15.3 V
- 击穿电压 VBR：18.9 V
- 钳位电压 Vclamp：25.2 V（峰值脉冲条件下）
- 峰值脉冲电流 Ipp：17 A @ 10/1000 μs
- 峰值脉冲功率 Ppp：400 W @ 10/1000 μs
- 反向漏电流 Ir：≤1 μA
- 工作温度范围：-55 ℃ ~ +150 ℃
三、关键特性
- 高能量吸收：在10/1000 μs测试波形下，器件可承受400 W 的瞬态功率，并能传导高达17 A 的脉冲电流，适合电源线路及信号线的浪涌冲击保护。
- 良好钳位性能：在峰值脉冲下钳位电压25.2 V，能在不超出设备承受范围的前提下迅速钳制过电压。
- 低漏电流：典型反向漏电小于1 μA，降低对系统待机功耗的影响。
- 宽温区可靠工作：可在工业级温度范围内稳定工作，适应严苛环境。
四、典型应用
- 电源输入口、车载电源保护（近似板级浪涌防护）
- 通讯设备、基站接口保护
- 工业控制、仪表的浪涌/ESD防护
- USB、HDMI 等数据接口的端口保护（需配合电路设计考量钳位电压）
五、封装与机械信息
- 封装形式：SMA（DO-214AC），表贴工艺，便于自动贴装与回流焊接。
- 适合 PCB 空间受限且需要较高能量吸收能力的应用场景。
六、选型与使用建议
- 应根据被保护电路的最大允许电压选择合适的 Vrwm；本型号 Vrwm=15.3 V，适用于12 V 左右电源系统。
- 布局建议：TVS 与被保护端尽可能靠近，接地回路短且宽，使用多孔热通道或散热铜箔以利热量散发。
- 考虑钳位电压与下级器件耐压，确认在最大脉冲能量下不会造成下游损伤。
- 焊接与可靠性：遵循制造商的回流曲线及焊接工艺要求，避免超温和长时间加热。
- 在高重复冲击场景下，应评估器件寿命或采用并联/串联方案以提升可靠性。
本概述基于器件典型参数给出应用与布置建议，具体电路设计与可靠性评估建议参照强茂提供的详细数据手册和应用说明。
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