View tv50c-series datasheet:

SMD Transient Voltage Suppressor TV50C110-HF Thru. TV50C441-HF Working Voltage: 11 to 440 Volts Peak Pulse Power: 5000 Watts RoHS Device Halogen Free SMC/DO-214AB Features 0.281(7.15) - Glass passivated chip. 0.260(6.60) - 5000W peak pulse power capability with a 10/1000µs 0.126(3.20) waveform, repetitive rate (duty cycle):0.01% 0.238(6.04) 0.114(2.90) 0.219(5.55) - Low leakage. - Uni and Bidirectional unit. - Excellent clamping capability. 0.313(7.95) 0.305(7.75) 0.012(0.30) - Very fast response time. 0.006(0.15) 0.100(2.53) - UL recognized file # E349157 R 0.078(1.98) 0.008(0.20) 0.059(1.51) Mechanical Data 0.000(0.00) 0.030(0.75) - Case: DO-214AB/SMC molded plastic. Dimensions in inches and (millimeter) - Epoxy: UL 94V-0 rate flame retardant