Our company specializes in manufacturing professional Phone Jack and Stereo Jack.
Specification
Electrical Requirements :
Dielectric Strength : The socket shall withstand without failure, a potential of 500 volts r.m.s. 50/60 Hz applied between mutually insulated metal parts for one minute
Insulation Resistance : Insulation resistance between insulated metal parts shall be 100 Megohm or more at initial and 50 Megohm or more after cold test, hot test, and humidity test when measured with a 500 volts D.C. insulation resistance meter
Contact Resistance :Contact resistance shall be less than 50 Milliohms at initial and 100 Milliohms after life test between a terminal of the socket and that of the mating plug; less than 30 Milliohms at initial and 60 Milliohms after life test between terminal of the socket in a closed circuited, when measured at a current of less than 100 Milliampere 1 KHz. The mating plug used shall be cleaned and free from oxidation film of the surface.
Mechanical Requirement :
Insertion and withdrawal force :The insertion force and withdrawal force shall be 0.3 - 3 kgs at initial and 0.1- 2 kgs after life test with the gauge plug.
Features
General Scope : This specification covers the requirement for the direct circuit power supply for all audio systems and similar equipments
Mating Plug : The Mating plug shall be in 3.5mm diameter.
