SPECIFICATIONS: Poles:4-40 Voltage rating: 50V DC/AC(rms) Current rating: 0.5A DC/AC Withstand voltage:250V/1Minute Environmental temperature:-20℃~+80℃ Relative humidity:93%,+40℃ Insulation resistance:≥50ΜΩ Contact resistance: ≤20mΩ MATERIAL: Slider:Heat resistance plastic PPS UL94V-0 Solder tab:Phosphor Bronze Tin-plated Pin header: Phosphor Bronze Tin-plated Housing:Heat resistance plastic LCP UL94V-0 OTHER CONNECTORS AVAILABLE: I/O 0.5mm pitch connectors series 6 pin SIM Card Socket series Bar connectors series RCA jack connector series OT/JG Type tube copper connectors