Active 1500 W Zener for board-level transient suppression
The 1.5KE36A-HF: With a 30.8 V reverse standoff voltage and a 34.2 V minimum breakdown, it clamps transients at 49.9 V max while conducting 30.06 A peak pulse current — sized for 24 VDC rails or 28 VAC secondary circuits where a 30 V nominal line sees surge events.
What the clamping numbers mean for your rail
The 49.9 V clamp voltage at 30.06 A peak pulse means the downstream DC-DC or LDO input must survive that transient without exceeding its abs-max rating — a 60 V-rated front-end has margin; a 40 V-rated part does not. The -55 °C to 150 °C junction range covers industrial and outdoor enclosures where ambient heat adds to the self-heating from repetitive surge events — the derating curve (not shown here) governs the 1500 W rating above 25 °C.
Through-hole DO-201 axial — board fit and mounting
Housed in a DO-201AA (DO-27) axial-lead package, the 1.5KE36A-HF mounts through-hole and occupies the same footprint as other 1.5KE series parts — a single board layout accepts the full voltage range of the family. The supplier device package is DO-201; the tape-and-box (TB) packaging suits hand-insertion or semi-automated assembly in lower-volume builds.