DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage.
BYD11 - Controlled avalanche rectifiers
BYD11G - Controlled avalanche rectifiers
BYD11D - Controlled avalanche rectifiers
BYD11J - Controlled avalanche rectifiers
BYD11K - Controlled avalanche rectifiers
BYD1100 - Hyper fast soft-recovery rectifier
BYD11M - Controlled avalanche rectifiers