On Sun, 9 Jul 2006, Russell McMahon wrote:

> The claimed current gain is down somewhat -  say 40/?70? min/typical at 2 
> amps compared to 60/160 at 1A for the original. But Vsat is superior. Vce is 
> slightly lower but should not matter. It may be that they select on test the 
> 2SD882 or that they get ones which have gains in the higher spec sheet range 
> - its not uncommon for devices to be improved with time and move towards the 
> higher end of a spec range. If current gain is the issue then selecting from 
> a batch of BD437s with a beta-meta (sounds catchy) may be useful.

Ime European replacements for Japanese transistors almost always suck. I 
don't know exactly why this is so but it is so.

Peter
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