鉗位元型過電壓保護元件:
- 瞬態電壓抑制器, Transient Voltage Suppressors (TVS)
- 靜電保護元件, Electrostatic Discharge Protection Devices (ESD)
- 壓敏電阻, Metal Oxide Varistors (MOV)
開關型過電壓保護元件:
- 陶瓷氣體放電管, Gas Discharge Tubes (GDT)
- 玻璃氣體放電Spark Gap Protectors (SPG)
- 半導體放電管, Thyristor Surge (TSS)
過電流型保護元件
- 自恢復保險絲 ,Polymer Positive Temperature Coefficient (PPTC)
- 一次斷保險絲 ,Fast Action、Slow Blow Fuse (FUSE)
- 負溫度熱敏電阻,Negative Temperature Coefficient (NTC)