alternative to EC103

[Tabernacle]

Which other component(s) can I use as an alternative to EC103 ?

 

[Harald Kapp]

The poll you created was imho not useful. I therefore deleted it.

Have a look here.

 

[Robert_fay]

Is this the Littelfuse SCR you are looking to cross?
http://www.littelfuse.com/data/en/data_sheets/littelfuse_thyristor_ec103xx_sxsx.pdf