Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
PANJIT P4SMAJ12A_R1_00001
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANJIT P4SMAJ12A_R1_00001
- Type
- PANJIT
- Minimum package
- 1800 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PANJIT
- Electronic Component
- P4SMAJ12A_R1_00001
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.022g
- Electronic Component
- 1
- Electronic Component
- BM0227282156
- Operating Temperature
- 55℃~+150℃
- Voltage
- 19.9V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 14.7V
- 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.
P4SMAJ12A_R1_00001 产品概述
一、产品简介
P4SMAJ12A_R1_00001 是强茂（PANJIT）推出的一款单向瞬态电压抑制器（TVS），用于对静电放电（ESD）和电源浪涌等瞬态过电压进行保护。器件采用SMA（DO-214AC）封装，体积小、可靠性高，适合表贴安装于电源轨和信号线处，提供快速钳位和能量吸收能力。
二、主要电气参数
- 反向工作电压 Vrwm：12 V（适合12V电源轨的稳压防护）
- 击穿电压 Vbr：14.7 V（器件进入导通的参考阈值）
- 钳位电压 Vc：19.9 V（在规定脉冲条件下对被保护节点的最大钳位值）
- 峰值脉冲功率 Ppp：400 W @ 10/1000 μs（10/1000μs波形模拟雷击类浪涌）
- 峰值脉冲电流 Ipp：20.1 A @ 10/1000 μs
- 反向漏电流 Ir：≈1 μA（在 Vrwm 下的低漏电，有利于节能与稳定）
- 极性：单向（专为直流电源线路设计）
三、封装与环境特性
- 封装：SMA (DO-214AC)，适合自动贴装与回流焊工艺，便于大规模生产布局。
- 工作温度：-55 ℃ 至 +150 ℃，在高温与低温环境下仍能保持稳定性能，适合工业级或较严苛环境使用。
四、典型应用场景
- 12V 直流电源防护：汽车电子（控制模块、车载设备）、通信基站、工控电源等。
- 信号线与接口保护：以快速钳位抑制瞬态脉冲，保护下游敏感芯片。
- 配合保护元件使用：与保险丝、限流电阻等组合，可应对更高能量的冲击。
五、使用建议与布局要点
- 器件应尽量靠近被保护的输入端/接地端放置，保护回路短且宽以降低寄生电感。
- 单向TVS在直流线路中通常按二极管方向连接（阴极接正极电源，阳极接地），但实际接法请以器件资料与电路拓扑为准。
- 对于可能出现更大能量的环境（如直击雷路径），建议与熔断器或气体放电管等级联使用以增强保护能力。
- 注意钳位电压与被保护器件耐压的匹配，19.9V 的钳位适用于典型12V系统的过压防护，但对更敏感电路需评估是否足够。
P4SMAJ12A_R1_00001 以其稳定的浪涌吸收能力、宽温域及SMA小型封装，为12V级别直流系统提供了高性价比的瞬态过压防护方案。
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