Application scope of PPTC 30V Plug-in Type Self Recovery Fuse 0.5A 9A Communication equipment: program-controlled switches, user terminal equipment, main wiring security units, etc. Automotive electronics: automotive wiring harnesses, automotive anti-theft devices, automotive micro motors, automotive electronic products, etc. Electronics industry: power ballasts, micro motors, fire alarms, instruments and meters, etc. Electrical equipment: satellite receivers, security equipment, speakers, industrial automatic control, etc.