Micro SIM & Micro SD Memory Card Connectors Würth Elektronik Micro SIM and Micro SD Memory Card Connectors are available in push-push, push-pull, and hinge types with or without card detection. These connectors feature a 15VAC to 100VAC working voltage range, 500VAC withstanding voltage, and 30mΩ to 500mΩ contact resistance range. The series operates in a wide temperature range and withstands up to 10K mating cycles, depending on type. Würth Elektronik Micro SIM and Micro SD Memory Card Connectors are designed with LCP insulator material and have a UL 94-V0 flammability rating.