1． Mechanical
Shell: aluminum alloy ——Finish: W class olive green cadmium plating, electric shell L class electroless nickel plating, electric shell A class black anodized plating, non-electric shell ——Insulator: thermoset plastic ——Insert and gasket: silicon resin -----Contact: copper alloy with gold plating, crimping and removable ----- Random vibration: frequency: 10-2000Hz, density of power chart：1.0 G2/Hz -----Shock: 3 ms half sinusoid, peak value of acceleration: 300g -----Service life: 500 cycles of mating and unmating (service life of JY3475 shielded plug is 250 cycles)
2．Electrical
--contact resistance and current rating：
contact size | operation diameter mm | contact resistance mΩ | current rating A | 20# | Φ1.0 | ≤5 | 7.5 | 16# | Φ1.6 | ≤2.5 | 13 | 12# | Φ2.4 | ≤1.5 | 23 |
——insulation resistance: ≥5000MΩ at 25℃ ≥500MΩ at 200℃
——operation voltage and withstanding voltage：V operation level* | operation voltage | withstanding voltage | Ⅰ | Ⅱ | Ⅰ | Ⅱ | sea level | 600 | 1000 | 1500 | | 21000m | 300 | 450 | 375 | 500 |
* Different insert arrangements have different operation classes. Please see the key polarization.
3．Environment ——operation temperature：-55℃ ~ +175℃（W class）；-55℃ ~ +200℃（L class, A class） ——relative humidity：94±4% at 65℃ ——Salty spray：W class：500 hours; L class：96 hours；A class：48 hours ——Anti-RFI: frequency 100~1000MHz leakage attenuation65~45dB（JY3475 plug) ——Resistance to fluids: aviation gasoline, coolant, lubricating oil (12 kinds of fluids)（L class) | 
