SMBJ90A Datasheet | Littelfuse

Description The SMBJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. 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(Fig.2) by 10/1000us Test Waveform(Fig.4) (Note 1),(Note PPPM 2)-Single Die Parts Peak Pulse Power Dissipation(Fig.2) by 10/1000us Test Waveform(Fig.4) (Note 1), (Note 2)-Stacked Die Parts (Note 5) PPPM Power Dissipation on Infinite Heat Sink at TL=50OC Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) IFSM Maximum Instantaneous Forward Voltage at 50A for Unidirectional Only (Note 4) 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 20 °C/W Typical Thermal Resistance Junction to Ambient RƟJA 100 °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 0.2x0.2” (5.0 x 5.0mm) to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only, duty cycle=4 per minute maximum. 4. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts. 5. For stacked die ponent details, please refer to part numbers labeled by - in Electrical Characteristics. Functional Diagram Bi-directional Features - Excellent clamping capability - Low incremental surge resistance - Typical IR less than 1μA when VBR min>12V - For surface mounted applications to optimize board...