P4KE12A Datasheet | Littelfuse

P4KE Series TVS Diode Axial Leaded - 400W > P4KE series Ro HS Pb e3 Bi-directional Uni-directional Agency Approvals Agency Agency File Number E230531 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Peak Pulse Power Dissipation(Fig.2) by 10/1000us Test Waveform(Fig.4) (Note 1) -Single Die Parts Peak Pulse Power Dissipation(Fig.2) by 10/1000us Test Waveform(Fig.4) (Note 1) -Stacked Die Parts (Note 4) Steady State Power Dissipation on Infinite Heat Sink at TL=75ºC Peak Forward Surge Current, 8.3ms Single Half Sine Wave Unidirectional Only (Note 2) Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only (Note 3) Operating Junction and Storage Temperature Range Typical Thermal Resistance Junction to Lead Typical Thermal Resistance Junction to Ambient Symbol Value Unit PPPM 400 W PPPM 600 W IFSM 3.5/5.0 V T J, TSTG -55 to 175 °C RθJL 60 °C/W RθJA 100 °C/W Notes: 1. Non-repetitive current pulse , per Fig. 4 and derated above TJ (initial) =25OC per Fig. 3. 2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per minute maximum. 3. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts. 4. For stacked die ponent details, please refer to part numbers labeled...