legg wrote:

Grading parts for VCBO is pointless when dealing with linear audio
devices, as VCEO or VCES, SOArea and Rthjc will determine their
ruggedness in non-switching circuits driving reactive loads or single
faults. VCEO is always equal to, or less than VCBO.

Totally agreed, and from 'binning' experiences I know those numbers can be
VERY tight too. Yield drops off dramatically at the higher end (NOT my
design I'll add).

Graham