i don't find any datasheets for these tranzistors!! - diyAudio
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Old 19th January 2004, 11:31 AM   #1
nbcd is offline nbcd  Romania
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Question i don't find any datasheets for these tranzistors!!

I have 3 tranzistors that i didn't found any datasheet for them
The series go down below:
K1 086 -71 ; K1821 -63 ; C710 9YC3
and another question:
-how do i know that a diode is a zenner and not a normal one?(how do i find out using the digital multimeter?)
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Old 19th January 2004, 01:51 PM   #2
dhaen is offline dhaen  Europe
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Might be these?
I think the suffixes are date codes.

2SK1068

2SK1821

2SC710
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Old 19th January 2004, 06:05 PM   #3
PMA is offline PMA  Europe
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Connect +24V through 2.2k resistor to diode cathode. Connect anode of the diode to -24V. Measure voltage drop between cathode and anode. Normal diode will show 24V (reverse polarised). Zener will show zener voltage, in case that it is lower than 24V.
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