TransZorb® vs ordinary Zener — the clamping difference
The 1N6282AHE3_A/C is a unidirectional TVS (Transient Voltage Suppressor), branded under Vishay's TransZorb® family — not a plain Zener, though both use avalanche breakdown. The distinction matters: a TransZorb clamps a transient rather than regulating a rail.
Automotive qualification and thermal margin
AEC-Q101 qualification places this in the automotive stress-test bucket — temperature cycling, humidity bias, and surge testing are part of the qualification matrix. The junction temperature rating of -55°C to 175°C covers the under-hood band and beyond — a 105°C engine-bay ambient still leaves comfortable margin to the 175°C ceiling. The base product is the 1N6282 — the AHE3 suffix carries the AEC-Q101 grade and the axial lead form.