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- pnpn transwitch [电] pnpn开关
- The specific “sweep-back” current caused by the minority carriers stored within the parasitic pnpn structure of CMOS ICs has been qualitatively proved to be the major cause of TLU. 此元件层级实验设置能产生欠阻尼弦式电压于待测积体电路的电源供应电压上，以用来模拟待测积体电路在实际系统层级静电放电测试下所遭受到的静电放电干扰情形。
- A GaAs/GaAIAs PNPN NEGATIVE-RESISTANCE LASER WITH LOW THRESHOLD CURRENT 低阈值GaAs/GaAlAs PNPN负阻激光器
- transwitchn. 硅开关
- pnpn positive-negative positive-negative 正负正负的
- pnpn transistor [电] PNPN晶体管
