Littelfuse

273 Series Very Fast-Acting 125 V 0.25 A 6.35 x 8.89 mm Radial Lead MICRO Fuse

P3203A_L Series 150 mA 270 V Balanced Three-Chip SIDACtor® Device - TO-220

SL1021B Series 500 V 10 kA Medium Duty Three Terminal Gas Discharge Tube

157 Series Time Lag 125V 2.5 A 6.5 x 3.7 mm Standard Nano SMT Fuse & Holder