Littelfuse SP1250 50A Discrete Unidirectional TVS Diodes provide a high electrostatic discharge (ESD) protection level for electronic equipment. Littelfuse SP1250 safely absorbs repetitive ESD strikes of ±30kV (contact and air discharge as defined in IEC 61000-4-2) without performance degradation. These TVS diodes can also safely dissipate a 50A 8/20µs surge event as defined in IEC 61000-4-5 2nd edition.