Material: Housing: LCP UL94V-0 Plug spring: phosphor bronze, Tin Plated / Gold Plated Soldering lug Electrical Characteristics: Rated current:0.4A Rated voltage:50V Withstand voltage:200V Contact resistance:≤20mΩ Insulation resistance:500MΩ Operating Temperature: -20℃ To +85℃ Note: When the PIN number is 30PIN or less, the lock is made of PA46. When the PIN number is above 30PIN, the lock is made of LCP