1.mechanical:
  mating: 35n max.
  withdrawal: 10n min.
  durability: 1500 cycles min.
 2.electrical:
  current: 1.8a max for pin1 and pin4 and 0.25a for all the other pins
  voltage:  30v max
  withstanding voltage: 100v ac
  contact resistance: 30 mω max
  insulation resistance: 100mω min
 3.environmental
  temperature range -55℃ ~ +85℃