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A German web site has a discussion of the tachometer NT99264424, which number you can see on the PC board above.
There are a pair of transistors used for the monostable multivibrator circuit labeled "Valvo BCZ10." The specifications for those transistors are: BCZ10 SI PNP 20V, 0,0Ä, 0,21W. Another poster says that the BCZ10 is NLA, but is listed in the 1973 Valvo catalog as a PNP, max. 20V, 50mA, 250mW, beta=15..60 with 6V 1mA.
Comparison types are listed as: BC213, BC258, BC308, BC558, 2SB725
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'66 911 #304065 Irischgruen
‘96 993 Carrera 2 Polarsilber
'81 R65
Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13)
Ex-'88 Carrera (Sold 3/29/02)
Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04)
Ex-'89 944 Turbo S (Sold 8/21/20)
Last edited by 304065; 02-19-2006 at 06:08 AM..
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