The bi-directional T10A devices are a through-hole technology SIDACtor protector. It is intended for cost-sensitive telecommunication applications. This T10 SIDACtor series enables equipment to comply with various regulatory requirements including GR 1089, ITU K.20, K.21, and K.45, IEC 60950, UL 60950, and TIA-968-A (formerly known as FCC Part 68).