SA78A Datasheet - Littelfuse

SA78A Transient Voltage Suppression Diodes

SA Series TVS Diodes Axial Leaded 500W > SA series RoHS Pb e3 Bi-directional Uni-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 Test Waveform (Fig.2)(Note 1) PPPM 500 W Steady State Power Dissipation on Infinite Heat Sink at TL=75ºC PD 3.0 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave Unidirecti.

SA78A Features

* 500W peak pulse capability at 10/1000μs waveform, repetition rate (duty cycles):0.01%

* VBR @ TJ= VBR@25°C x (1+αT x (TJ - 25)) (αT:Temperature Coefficient, typical value is 0.1%)

* Glass passivated chip junction in DO-15 Package

* Fast response time: typically le

SA78A Datasheet (0.96 MB)