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Old 14th February 2007, 01:31 PM   #21
Rossy is offline Rossy  United Kingdom
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Location: Scotland
2SC1815 looks ok but some have a prefix of GR

now my transistors also have printed on them GR51

other prefixes are L O and Y
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Old 14th February 2007, 03:14 PM   #22
Netlist is offline Netlist  Belgium
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The datasheet of the 1815 is out there. There you will find what the prefix means.

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