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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
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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.
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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.
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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.
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Terminal Strength : The terminal shall be capable of withstanding a force of 500 Gram applied in any directions for 10 second without loosing and breakdown
- 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.