Transient Voltage Suppressor Diodes Voltage Range 5.0 to 170 Volts 500 Watts Peak Power 1.0 Watt Steady State DO-15 Plastic package has Underwriters Laboratory Flammability Classification 94V-0 500W surge capability at 10 X 10us waveform, duty cycle: 0.01% Excellent clamping capability Low zener i.