SMDJ250A

SMDJ Series TVS Diodes Surface Mount – 3000W > SMDJ series RoHS Pb e3 Uni-directional Bi-directional Agency Approvals Agency Agency File Number E230531 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power Dissipation by 10/1000µs Waveform (Fig. 2a,t4T) A=25ºC (Note 1,2,5) PPPM 3000 W Power Dissipation on Infinite Heat Sink at TL=50OC PD 6.5 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) IFSM 300 A Maximum Instantaneous Forward Voltage at 100A for Unidirectional Only(Note 4) VF 3.5/5.0 V Operating Temperature Range TJ -65 to 150 °C Storage Temperature Range TSTG -65 to 175 °C Typical Thermal Resistance Junction to Lead RƟJL 15 °C/W Typical Thermal Resistance Junction to Ambient RƟJA 75 °C/W Notes: 1. Non-repetitive current pulse , per Fig. 4 and derated above TJ (initial) =25OC per Fig. 3. 2. Mounted on copper pad area of 0.31x0.31” (8.0 x 8.0mm) to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional component only, duty cycle=4 per minute maximum. 4. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts. 5. TdheetaPilPsP.M of stacked-die parts is 4000W and please contact Littelfuse for stacked-die part Functional Diagram Description The SMDJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltag...