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identify this diode ?

Forum|Forum|1 day ago
August 22, 2026
2 replies
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Can anyone identify this diode and suggest an alternative please?

ST E

ET

C453

Motor control hardware

Best answer by AScha.3

probably:

ET

SM6T33A

SGS-Thomson Microelectronics
DO-214AA

Transient voltage supressor
Vrwm=28.2V, Vbr=31.4..34.7V, 13.1A, 600W(1ms)

from ds:

ET marking.

at mouser:

+

why alternative ?

....

similar 28V :

cheaper, more peak current: 100A

AScha.3Best answer

Super User

probably:

ET

SM6T33A

SGS-Thomson Microelectronics
DO-214AA

Transient voltage supressor
Vrwm=28.2V, Vbr=31.4..34.7V, 13.1A, 600W(1ms)

from ds:

ET marking.

at mouser:

+

why alternative ?

....

similar 28V :

cheaper, more peak current: 100A

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ST Migration accountAuthor

ST Community Manager

Thank you for such a quick and helpful solution.

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