1.MATERIAL: HOUSING:LCP,BLACK,UL94V-0 CONTACTS:COPPER ALLOY, GOLD PLATED ON CONTACT AREA, TIN PLATED ON SOLDER TAIL. 2.ELECTRICAL: CUPRENT RATING:0.5A AC,DC TEMPERATURE RANGE:-40 C ~ 85 C INSULATION RESISTANCE:1000 M OHM MIN (500V DC) CONTACT RESISTANCE:40m ohm MAX. WITHSTANDING VOLTAGE:500V AC/MINUTE