Featured is a phone jack with the rated power of 30mA 30V DC. It is compatible with most telephone cords. The phone jack is an essential component of telecommunication devices such as telephones, fax machines, network routers, etc. 

• Contact resistance: 100 ohms.
• Insulation resistance: 100 ohms (minimum) at 500V DC.
• Dielectric strength: AC 500V for 1 minute.
• Lifespan: 5,000 cycles.