An NPN transistor has about a 0.5V diode drop from base to emitter when turned on with a few milliamps of base current. Do you measure this?
On Fri, Feb 8, 2019, 7:08 PM Thomas Kummer <[email protected] wrote: > I tried a 10K and I tried a 2.2K, and a 1K, and then would ground the > base, and still the decimal point lit up!! I took the resistor off the base > and touched it with my finger, and the DP lit up!!! I’m 100% convinced that > these are just cheap knockoff Chinese counterfeits as I tried through about > 3 more transistors, and same thing happened, from now on I’m strictly > sticking with Digi-Key for my components, no more eBay gambles I’ll just > shell out the extra ~$10-$20. > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send an email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/bae9a5bb-2e96-4ebe-83e0-563072142e6c%40googlegroups.com > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAPbqtvdYZ_A7nwcF8Zse29x6Lzc2X5MF7f%2BLqrSAgbzJftLXrw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
