SMAJ250A Datasheet | Littelfuse

Description The SMAJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Uni-directional Bi-directional Additional Information Resources Accessories Samples Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power Dissipation at TA=25° by 10/1000us Waveform(Fig.2)(Note 1), (Note 2) -Single Die Parts Peak Pulse Power Dissipation at TA=25° by 10/1000us Waveform(Fig.2)(Note 1), (Note 2)-Stacked Die Parts(Note 5) Power Dissipation on Infinite Heat Sink at TL=50OC Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only (Note 4) Operating Temperature Range Storage Temperature Range Typical Thermal Resistance Junction to Lead Typical Thermal Resistance Junction to Ambient PPPM PPPM IFSM 3.5/5.0 TJ -65 to 150 °C TSTG -65 to 175 °C RθJL 30 °C/W RθJA 120 °C/W Features - 400W Peak Pulse Power capability at 10/1000µs waveform, repetition rate (duty cycle): 0.01% - Excellent clamping capability - Typical IR less than 1μA when VBR min>12V - Surface mount footprint for pact PCB...