Components naming

My first AC127 (s) were on a pile of scrap TV boards, all the IF modules were missing but at one end was a complete AF amplifier with germanium complementary pair output.

By this time TO220 silicon complementary pairs were filtering onto the market, so I upgraded a pair of the TV AF amplifiers and used them to modernise an old tube stereogram.

"Eeysore"

The pin and mounting hole spacings are wider than TO66 & the pins and base plate are both much thicker.

The pack designation is an obscure one, given as " SOT-9 " in some spec sheets.

.... Phil

A Japanese derivative according to one source I found. But barely different. Do you NEED to pick nits ?

Graham

"Eeysore"

- yawwwnnnnnnnnnn.

..... Phil

My first one was to build a rain detector (with also a bc138) when I was around eleven. It does not work and it took me 1 day to realize that the new battery, which cost me one week pocket money, does not work ...